---
_id: '20586'
article_type: letter_note
author:
- first_name: Xuekai
  full_name: Ma, Xuekai
  id: '59416'
  last_name: Ma
- first_name: YV
  full_name: Kartashov, YV
  last_name: Kartashov
- first_name: A
  full_name: Kavokin, A
  last_name: Kavokin
- first_name: Stefan
  full_name: Schumacher, Stefan
  id: '27271'
  last_name: Schumacher
  orcid: 0000-0003-4042-4951
citation:
  ama: Ma X, Kartashov Y, Kavokin A, Schumacher S. Chiral condensates in a polariton
    hexagonal ring. <i>Optics Letters</i>. 2020;45(20):5700-5703. doi:<a href="https://doi.org/10.1364/ol.405400">10.1364/ol.405400</a>
  apa: Ma, X., Kartashov, Y., Kavokin, A., &#38; Schumacher, S. (2020). Chiral condensates
    in a polariton hexagonal ring. <i>Optics Letters</i>, <i>45</i>(20), 5700–5703.
    <a href="https://doi.org/10.1364/ol.405400">https://doi.org/10.1364/ol.405400</a>
  bibtex: '@article{Ma_Kartashov_Kavokin_Schumacher_2020, title={Chiral condensates
    in a polariton hexagonal ring.}, volume={45}, DOI={<a href="https://doi.org/10.1364/ol.405400">10.1364/ol.405400</a>},
    number={20}, journal={Optics Letters}, author={Ma, Xuekai and Kartashov, YV and
    Kavokin, A and Schumacher, Stefan}, year={2020}, pages={5700–5703} }'
  chicago: 'Ma, Xuekai, YV Kartashov, A Kavokin, and Stefan Schumacher. “Chiral Condensates
    in a Polariton Hexagonal Ring.” <i>Optics Letters</i> 45, no. 20 (2020): 5700–5703.
    <a href="https://doi.org/10.1364/ol.405400">https://doi.org/10.1364/ol.405400</a>.'
  ieee: 'X. Ma, Y. Kartashov, A. Kavokin, and S. Schumacher, “Chiral condensates in
    a polariton hexagonal ring.,” <i>Optics Letters</i>, vol. 45, no. 20, pp. 5700–5703,
    2020, doi: <a href="https://doi.org/10.1364/ol.405400">10.1364/ol.405400</a>.'
  mla: Ma, Xuekai, et al. “Chiral Condensates in a Polariton Hexagonal Ring.” <i>Optics
    Letters</i>, vol. 45, no. 20, 2020, pp. 5700–03, doi:<a href="https://doi.org/10.1364/ol.405400">10.1364/ol.405400</a>.
  short: X. Ma, Y. Kartashov, A. Kavokin, S. Schumacher, Optics Letters 45 (2020)
    5700–5703.
date_created: 2020-12-02T09:29:56Z
date_updated: 2025-12-05T13:47:34Z
department:
- _id: '230'
- _id: '429'
- _id: '15'
- _id: '170'
- _id: '705'
- _id: '297'
- _id: '35'
doi: 10.1364/ol.405400
external_id:
  pmid:
  - '33057263'
intvolume: '        45'
issue: '20'
language:
- iso: eng
page: 5700-5703
pmid: '1'
project:
- _id: '53'
  name: TRR 142
- _id: '54'
  name: TRR 142 - Project Area A
- _id: '61'
  name: TRR 142 - Subproject A4
- _id: '53'
  name: 'TRR 142: Maßgeschneiderte nichtlineare Photonik: Von grundlegenden Konzepten
    zu funktionellen Strukturen'
publication: Optics Letters
publication_identifier:
  issn:
  - 0146-9592
  - 1539-4794
publication_status: published
status: public
title: Chiral condensates in a polariton hexagonal ring.
type: journal_article
user_id: '16199'
volume: 45
year: '2020'
...
---
_id: '20581'
article_type: original
author:
- first_name: Matthias
  full_name: Pukrop, Matthias
  last_name: Pukrop
- first_name: Stefan
  full_name: Schumacher, Stefan
  id: '27271'
  last_name: Schumacher
  orcid: 0000-0003-4042-4951
- first_name: Xuekai
  full_name: Ma, Xuekai
  id: '59416'
  last_name: Ma
citation:
  ama: Pukrop M, Schumacher S, Ma X. Circular polarization reversal of half-vortex
    cores in polariton condensates. <i>Physical Review B</i>. 2020;101(20):205301.
    doi:<a href="https://doi.org/10.1103/PhysRevB.101.205301">10.1103/PhysRevB.101.205301</a>
  apa: Pukrop, M., Schumacher, S., &#38; Ma, X. (2020). Circular polarization reversal
    of half-vortex cores in polariton condensates. <i>Physical Review B</i>, <i>101</i>(20),
    205301. <a href="https://doi.org/10.1103/PhysRevB.101.205301">https://doi.org/10.1103/PhysRevB.101.205301</a>
  bibtex: '@article{Pukrop_Schumacher_Ma_2020, title={Circular polarization reversal
    of half-vortex cores in polariton condensates}, volume={101}, DOI={<a href="https://doi.org/10.1103/PhysRevB.101.205301">10.1103/PhysRevB.101.205301</a>},
    number={20}, journal={Physical Review B}, publisher={American Physical Society},
    author={Pukrop, Matthias and Schumacher, Stefan and Ma, Xuekai}, year={2020},
    pages={205301} }'
  chicago: 'Pukrop, Matthias, Stefan Schumacher, and Xuekai Ma. “Circular Polarization
    Reversal of Half-Vortex Cores in Polariton Condensates.” <i>Physical Review B</i>
    101, no. 20 (2020): 205301. <a href="https://doi.org/10.1103/PhysRevB.101.205301">https://doi.org/10.1103/PhysRevB.101.205301</a>.'
  ieee: 'M. Pukrop, S. Schumacher, and X. Ma, “Circular polarization reversal of half-vortex
    cores in polariton condensates,” <i>Physical Review B</i>, vol. 101, no. 20, p.
    205301, 2020, doi: <a href="https://doi.org/10.1103/PhysRevB.101.205301">10.1103/PhysRevB.101.205301</a>.'
  mla: Pukrop, Matthias, et al. “Circular Polarization Reversal of Half-Vortex Cores
    in Polariton Condensates.” <i>Physical Review B</i>, vol. 101, no. 20, American
    Physical Society, 2020, p. 205301, doi:<a href="https://doi.org/10.1103/PhysRevB.101.205301">10.1103/PhysRevB.101.205301</a>.
  short: M. Pukrop, S. Schumacher, X. Ma, Physical Review B 101 (2020) 205301.
date_created: 2020-12-02T09:08:29Z
date_updated: 2025-12-05T13:52:23Z
department:
- _id: '170'
- _id: '230'
- _id: '429'
- _id: '15'
- _id: '705'
- _id: '297'
- _id: '35'
doi: 10.1103/PhysRevB.101.205301
intvolume: '       101'
issue: '20'
language:
- iso: eng
page: '205301'
project:
- _id: '53'
  name: TRR 142
- _id: '54'
  name: TRR 142 - Project Area A
- _id: '61'
  name: TRR 142 - Subproject A4
- _id: '52'
  name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
- _id: '53'
  name: 'TRR 142: Maßgeschneiderte nichtlineare Photonik: Von grundlegenden Konzepten
    zu funktionellen Strukturen'
publication: Physical Review B
publication_status: published
publisher: American Physical Society
status: public
title: Circular polarization reversal of half-vortex cores in polariton condensates
type: journal_article
user_id: '16199'
volume: 101
year: '2020'
...
---
_id: '20583'
article_type: original
author:
- first_name: Xuekai
  full_name: Ma, Xuekai
  id: '59416'
  last_name: Ma
- first_name: Yaroslav V.
  full_name: Kartashov, Yaroslav V.
  last_name: Kartashov
- first_name: Tingge
  full_name: Gao, Tingge
  last_name: Gao
- first_name: Lluis
  full_name: Torner, Lluis
  last_name: Torner
- first_name: Stefan
  full_name: Schumacher, Stefan
  id: '27271'
  last_name: Schumacher
  orcid: 0000-0003-4042-4951
citation:
  ama: Ma X, Kartashov YV, Gao T, Torner L, Schumacher S. Spiraling vortices in exciton-polariton
    condensates. <i>Physical Review B</i>. 2020;102(4):045309. doi:<a href="https://doi.org/10.1103/PhysRevB.102.045309">10.1103/PhysRevB.102.045309</a>
  apa: Ma, X., Kartashov, Y. V., Gao, T., Torner, L., &#38; Schumacher, S. (2020).
    Spiraling vortices in exciton-polariton condensates. <i>Physical Review B</i>,
    <i>102</i>(4), 045309. <a href="https://doi.org/10.1103/PhysRevB.102.045309">https://doi.org/10.1103/PhysRevB.102.045309</a>
  bibtex: '@article{Ma_Kartashov_Gao_Torner_Schumacher_2020, title={Spiraling vortices
    in exciton-polariton condensates}, volume={102}, DOI={<a href="https://doi.org/10.1103/PhysRevB.102.045309">10.1103/PhysRevB.102.045309</a>},
    number={4}, journal={Physical Review B}, publisher={American Physical Society},
    author={Ma, Xuekai and Kartashov, Yaroslav V. and Gao, Tingge and Torner, Lluis
    and Schumacher, Stefan}, year={2020}, pages={045309} }'
  chicago: 'Ma, Xuekai, Yaroslav V. Kartashov, Tingge Gao, Lluis Torner, and Stefan
    Schumacher. “Spiraling Vortices in Exciton-Polariton Condensates.” <i>Physical
    Review B</i> 102, no. 4 (2020): 045309. <a href="https://doi.org/10.1103/PhysRevB.102.045309">https://doi.org/10.1103/PhysRevB.102.045309</a>.'
  ieee: 'X. Ma, Y. V. Kartashov, T. Gao, L. Torner, and S. Schumacher, “Spiraling
    vortices in exciton-polariton condensates,” <i>Physical Review B</i>, vol. 102,
    no. 4, p. 045309, 2020, doi: <a href="https://doi.org/10.1103/PhysRevB.102.045309">10.1103/PhysRevB.102.045309</a>.'
  mla: Ma, Xuekai, et al. “Spiraling Vortices in Exciton-Polariton Condensates.” <i>Physical
    Review B</i>, vol. 102, no. 4, American Physical Society, 2020, p. 045309, doi:<a
    href="https://doi.org/10.1103/PhysRevB.102.045309">10.1103/PhysRevB.102.045309</a>.
  short: X. Ma, Y.V. Kartashov, T. Gao, L. Torner, S. Schumacher, Physical Review
    B 102 (2020) 045309.
date_created: 2020-12-02T09:15:30Z
date_updated: 2025-12-05T13:49:47Z
department:
- _id: '170'
- _id: '230'
- _id: '429'
- _id: '15'
- _id: '297'
- _id: '705'
- _id: '35'
doi: 10.1103/PhysRevB.102.045309
intvolume: '       102'
issue: '4'
language:
- iso: eng
page: '045309'
project:
- _id: '53'
  name: TRR 142
- _id: '54'
  name: TRR 142 - Project Area A
- _id: '61'
  name: TRR 142 - Subproject A4
- _id: '52'
  name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
- _id: '53'
  name: 'TRR 142: Maßgeschneiderte nichtlineare Photonik: Von grundlegenden Konzepten
    zu funktionellen Strukturen'
publication: Physical Review B
publication_status: published
publisher: American Physical Society
status: public
title: Spiraling vortices in exciton-polariton condensates
type: journal_article
user_id: '16199'
volume: 102
year: '2020'
...
---
_id: '17068'
author:
- first_name: Christian
  full_name: Braun, Christian
  last_name: Braun
- first_name: Sergej
  full_name: Neufeld, Sergej
  id: '23261'
  last_name: Neufeld
- first_name: Uwe
  full_name: Gerstmann, Uwe
  id: '171'
  last_name: Gerstmann
  orcid: 0000-0002-4476-223X
- first_name: S.
  full_name: Sanna, S.
  last_name: Sanna
- first_name: J.
  full_name: Plaickner, J.
  last_name: Plaickner
- first_name: E.
  full_name: Speiser, E.
  last_name: Speiser
- first_name: N.
  full_name: Esser, N.
  last_name: Esser
- first_name: Wolf Gero
  full_name: Schmidt, Wolf Gero
  id: '468'
  last_name: Schmidt
  orcid: 0000-0002-2717-5076
citation:
  ama: Braun C, Neufeld S, Gerstmann U, et al. Vibration-Driven Self-Doping of Dangling-Bond
    Wires on Si(553)-Au Surfaces. <i>Physical Review Letters</i>. 2020;124(14). doi:<a
    href="https://doi.org/10.1103/physrevlett.124.146802">10.1103/physrevlett.124.146802</a>
  apa: Braun, C., Neufeld, S., Gerstmann, U., Sanna, S., Plaickner, J., Speiser, E.,
    Esser, N., &#38; Schmidt, W. G. (2020). Vibration-Driven Self-Doping of Dangling-Bond
    Wires on Si(553)-Au Surfaces. <i>Physical Review Letters</i>, <i>124</i>(14).
    <a href="https://doi.org/10.1103/physrevlett.124.146802">https://doi.org/10.1103/physrevlett.124.146802</a>
  bibtex: '@article{Braun_Neufeld_Gerstmann_Sanna_Plaickner_Speiser_Esser_Schmidt_2020,
    title={Vibration-Driven Self-Doping of Dangling-Bond Wires on Si(553)-Au Surfaces},
    volume={124}, DOI={<a href="https://doi.org/10.1103/physrevlett.124.146802">10.1103/physrevlett.124.146802</a>},
    number={14}, journal={Physical Review Letters}, author={Braun, Christian and Neufeld,
    Sergej and Gerstmann, Uwe and Sanna, S. and Plaickner, J. and Speiser, E. and
    Esser, N. and Schmidt, Wolf Gero}, year={2020} }'
  chicago: Braun, Christian, Sergej Neufeld, Uwe Gerstmann, S. Sanna, J. Plaickner,
    E. Speiser, N. Esser, and Wolf Gero Schmidt. “Vibration-Driven Self-Doping of
    Dangling-Bond Wires on Si(553)-Au Surfaces.” <i>Physical Review Letters</i> 124,
    no. 14 (2020). <a href="https://doi.org/10.1103/physrevlett.124.146802">https://doi.org/10.1103/physrevlett.124.146802</a>.
  ieee: 'C. Braun <i>et al.</i>, “Vibration-Driven Self-Doping of Dangling-Bond Wires
    on Si(553)-Au Surfaces,” <i>Physical Review Letters</i>, vol. 124, no. 14, 2020,
    doi: <a href="https://doi.org/10.1103/physrevlett.124.146802">10.1103/physrevlett.124.146802</a>.'
  mla: Braun, Christian, et al. “Vibration-Driven Self-Doping of Dangling-Bond Wires
    on Si(553)-Au Surfaces.” <i>Physical Review Letters</i>, vol. 124, no. 14, 2020,
    doi:<a href="https://doi.org/10.1103/physrevlett.124.146802">10.1103/physrevlett.124.146802</a>.
  short: C. Braun, S. Neufeld, U. Gerstmann, S. Sanna, J. Plaickner, E. Speiser, N.
    Esser, W.G. Schmidt, Physical Review Letters 124 (2020).
date_created: 2020-05-29T09:54:43Z
date_updated: 2025-12-05T13:59:21Z
department:
- _id: '15'
- _id: '170'
- _id: '295'
- _id: '230'
- _id: '429'
- _id: '35'
- _id: '790'
doi: 10.1103/physrevlett.124.146802
intvolume: '       124'
issue: '14'
language:
- iso: eng
project:
- _id: '52'
  name: Computing Resources Provided by the Paderborn Center for Parallel Computing
- _id: '53'
  name: TRR 142
- _id: '55'
  name: TRR 142 - Project Area B
- _id: '69'
  name: TRR 142 - Subproject B4
- _id: '52'
  name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
- _id: '53'
  name: 'TRR 142: Maßgeschneiderte nichtlineare Photonik: Von grundlegenden Konzepten
    zu funktionellen Strukturen'
publication: Physical Review Letters
publication_identifier:
  issn:
  - 0031-9007
  - 1079-7114
publication_status: published
status: public
title: Vibration-Driven Self-Doping of Dangling-Bond Wires on Si(553)-Au Surfaces
type: journal_article
user_id: '16199'
volume: 124
year: '2020'
...
---
_id: '40364'
article_number: '013371'
author:
- first_name: Polina R.
  full_name: Sharapova, Polina R.
  id: '60286'
  last_name: Sharapova
- first_name: G.
  full_name: Frascella, G.
  last_name: Frascella
- first_name: M.
  full_name: Riabinin, M.
  last_name: Riabinin
- first_name: A. M.
  full_name: Pérez, A. M.
  last_name: Pérez
- first_name: O. V.
  full_name: Tikhonova, O. V.
  last_name: Tikhonova
- first_name: S.
  full_name: Lemieux, S.
  last_name: Lemieux
- first_name: R. W.
  full_name: Boyd, R. W.
  last_name: Boyd
- first_name: G.
  full_name: Leuchs, G.
  last_name: Leuchs
- first_name: M. V.
  full_name: Chekhova, M. V.
  last_name: Chekhova
citation:
  ama: Sharapova PR, Frascella G, Riabinin M, et al. Properties of bright squeezed
    vacuum at increasing brightness. <i>Physical Review Research</i>. 2020;2(1). doi:<a
    href="https://doi.org/10.1103/physrevresearch.2.013371">10.1103/physrevresearch.2.013371</a>
  apa: Sharapova, P. R., Frascella, G., Riabinin, M., Pérez, A. M., Tikhonova, O.
    V., Lemieux, S., Boyd, R. W., Leuchs, G., &#38; Chekhova, M. V. (2020). Properties
    of bright squeezed vacuum at increasing brightness. <i>Physical Review Research</i>,
    <i>2</i>(1), Article 013371. <a href="https://doi.org/10.1103/physrevresearch.2.013371">https://doi.org/10.1103/physrevresearch.2.013371</a>
  bibtex: '@article{Sharapova_Frascella_Riabinin_Pérez_Tikhonova_Lemieux_Boyd_Leuchs_Chekhova_2020,
    title={Properties of bright squeezed vacuum at increasing brightness}, volume={2},
    DOI={<a href="https://doi.org/10.1103/physrevresearch.2.013371">10.1103/physrevresearch.2.013371</a>},
    number={1013371}, journal={Physical Review Research}, publisher={American Physical
    Society (APS)}, author={Sharapova, Polina R. and Frascella, G. and Riabinin, M.
    and Pérez, A. M. and Tikhonova, O. V. and Lemieux, S. and Boyd, R. W. and Leuchs,
    G. and Chekhova, M. V.}, year={2020} }'
  chicago: Sharapova, Polina R., G. Frascella, M. Riabinin, A. M. Pérez, O. V. Tikhonova,
    S. Lemieux, R. W. Boyd, G. Leuchs, and M. V. Chekhova. “Properties of Bright Squeezed
    Vacuum at Increasing Brightness.” <i>Physical Review Research</i> 2, no. 1 (2020).
    <a href="https://doi.org/10.1103/physrevresearch.2.013371">https://doi.org/10.1103/physrevresearch.2.013371</a>.
  ieee: 'P. R. Sharapova <i>et al.</i>, “Properties of bright squeezed vacuum at increasing
    brightness,” <i>Physical Review Research</i>, vol. 2, no. 1, Art. no. 013371,
    2020, doi: <a href="https://doi.org/10.1103/physrevresearch.2.013371">10.1103/physrevresearch.2.013371</a>.'
  mla: Sharapova, Polina R., et al. “Properties of Bright Squeezed Vacuum at Increasing
    Brightness.” <i>Physical Review Research</i>, vol. 2, no. 1, 013371, American
    Physical Society (APS), 2020, doi:<a href="https://doi.org/10.1103/physrevresearch.2.013371">10.1103/physrevresearch.2.013371</a>.
  short: P.R. Sharapova, G. Frascella, M. Riabinin, A.M. Pérez, O.V. Tikhonova, S.
    Lemieux, R.W. Boyd, G. Leuchs, M.V. Chekhova, Physical Review Research 2 (2020).
date_created: 2023-01-26T13:45:35Z
date_updated: 2025-12-16T11:26:50Z
department:
- _id: '15'
- _id: '569'
- _id: '170'
- _id: '429'
- _id: '230'
- _id: '35'
doi: 10.1103/physrevresearch.2.013371
intvolume: '         2'
issue: '1'
keyword:
- General Engineering
language:
- iso: eng
project:
- _id: '53'
  name: 'TRR 142: TRR 142'
- _id: '56'
  name: 'TRR 142 - C: TRR 142 - Project Area C'
- _id: '72'
  name: 'TRR 142 - C2: TRR 142 - Subproject C2'
publication: Physical Review Research
publication_identifier:
  issn:
  - 2643-1564
publication_status: published
publisher: American Physical Society (APS)
status: public
title: Properties of bright squeezed vacuum at increasing brightness
type: journal_article
user_id: '16199'
volume: 2
year: '2020'
...
---
_id: '40381'
abstract:
- lang: eng
  text: "<jats:title>Abstract</jats:title>\r\n               <jats:p>The phenomenon
    of entanglement is the basis of quantum information and quantum communication
    processes. Entangled systems with a large number of photons are of great interest
    at present because they provide a platform for streaming technologies based on
    photonics. In this paper we present a device which operates with four-photons
    and based on the Hong–Ou–Mandel interference. The presented device allows to maximize
    the degree of spatial entanglement and generate the highly entangled four-dimensional
    Bell states. Furthermore, the use of the interferometer in different regimes leads
    to fast interference fringes in the coincidence probability with period of oscillations
    twice smaller than the pump wavelength. We have a good agreement between theoretical
    simulations and experimental results.</jats:p>"
article_number: '045020'
author:
- first_name: A
  full_name: Ferreri, A
  last_name: Ferreri
- first_name: V
  full_name: Ansari, V
  last_name: Ansari
- first_name: Benjamin
  full_name: Brecht, Benjamin
  id: '27150'
  last_name: Brecht
  orcid: '0000-0003-4140-0556 '
- first_name: Christine
  full_name: Silberhorn, Christine
  id: '26263'
  last_name: Silberhorn
- first_name: Polina R.
  full_name: Sharapova, Polina R.
  id: '60286'
  last_name: Sharapova
citation:
  ama: Ferreri A, Ansari V, Brecht B, Silberhorn C, Sharapova PR. Spatial entanglement
    and state engineering via four-photon Hong–Ou–Mandel interference. <i>Quantum
    Science and Technology</i>. 2020;5(4). doi:<a href="https://doi.org/10.1088/2058-9565/abb411">10.1088/2058-9565/abb411</a>
  apa: Ferreri, A., Ansari, V., Brecht, B., Silberhorn, C., &#38; Sharapova, P. R.
    (2020). Spatial entanglement and state engineering via four-photon Hong–Ou–Mandel
    interference. <i>Quantum Science and Technology</i>, <i>5</i>(4), Article 045020.
    <a href="https://doi.org/10.1088/2058-9565/abb411">https://doi.org/10.1088/2058-9565/abb411</a>
  bibtex: '@article{Ferreri_Ansari_Brecht_Silberhorn_Sharapova_2020, title={Spatial
    entanglement and state engineering via four-photon Hong–Ou–Mandel interference},
    volume={5}, DOI={<a href="https://doi.org/10.1088/2058-9565/abb411">10.1088/2058-9565/abb411</a>},
    number={4045020}, journal={Quantum Science and Technology}, publisher={IOP Publishing},
    author={Ferreri, A and Ansari, V and Brecht, Benjamin and Silberhorn, Christine
    and Sharapova, Polina R.}, year={2020} }'
  chicago: Ferreri, A, V Ansari, Benjamin Brecht, Christine Silberhorn, and Polina
    R. Sharapova. “Spatial Entanglement and State Engineering via Four-Photon Hong–Ou–Mandel
    Interference.” <i>Quantum Science and Technology</i> 5, no. 4 (2020). <a href="https://doi.org/10.1088/2058-9565/abb411">https://doi.org/10.1088/2058-9565/abb411</a>.
  ieee: 'A. Ferreri, V. Ansari, B. Brecht, C. Silberhorn, and P. R. Sharapova, “Spatial
    entanglement and state engineering via four-photon Hong–Ou–Mandel interference,”
    <i>Quantum Science and Technology</i>, vol. 5, no. 4, Art. no. 045020, 2020, doi:
    <a href="https://doi.org/10.1088/2058-9565/abb411">10.1088/2058-9565/abb411</a>.'
  mla: Ferreri, A., et al. “Spatial Entanglement and State Engineering via Four-Photon
    Hong–Ou–Mandel Interference.” <i>Quantum Science and Technology</i>, vol. 5, no.
    4, 045020, IOP Publishing, 2020, doi:<a href="https://doi.org/10.1088/2058-9565/abb411">10.1088/2058-9565/abb411</a>.
  short: A. Ferreri, V. Ansari, B. Brecht, C. Silberhorn, P.R. Sharapova, Quantum
    Science and Technology 5 (2020).
date_created: 2023-01-26T14:06:23Z
date_updated: 2025-12-16T11:27:56Z
department:
- _id: '15'
- _id: '569'
- _id: '170'
- _id: '288'
- _id: '230'
- _id: '429'
- _id: '35'
doi: 10.1088/2058-9565/abb411
intvolume: '         5'
issue: '4'
keyword:
- Electrical and Electronic Engineering
- Physics and Astronomy (miscellaneous)
- Materials Science (miscellaneous)
- Atomic and Molecular Physics
- and Optics
language:
- iso: eng
project:
- _id: '53'
  name: 'TRR 142: TRR 142'
- _id: '56'
  name: 'TRR 142 - C: TRR 142 - Project Area C'
- _id: '72'
  name: 'TRR 142 - C2: TRR 142 - Subproject C2'
publication: Quantum Science and Technology
publication_identifier:
  issn:
  - 2058-9565
publication_status: published
publisher: IOP Publishing
status: public
title: Spatial entanglement and state engineering via four-photon Hong–Ou–Mandel interference
type: journal_article
user_id: '16199'
volume: 5
year: '2020'
...
---
_id: '23831'
author:
- first_name: Elias
  full_name: Baron, Elias
  last_name: Baron
- first_name: Rüdiger
  full_name: Goldhahn, Rüdiger
  last_name: Goldhahn
- first_name: Michael
  full_name: Deppe, Michael
  last_name: Deppe
- first_name: Donat Josef
  full_name: As, Donat Josef
  id: '14'
  last_name: As
  orcid: 0000-0003-1121-3565
- first_name: Martin
  full_name: Feneberg, Martin
  last_name: Feneberg
citation:
  ama: Baron E, Goldhahn R, Deppe M, As DJ, Feneberg M. Influence of the free-electron
    concentration on the optical properties of zincblende GaN up to 1×1020cm−3. <i>Physical
    Review Materials</i>. 2019. doi:<a href="https://doi.org/10.1103/physrevmaterials.3.104603">10.1103/physrevmaterials.3.104603</a>
  apa: Baron, E., Goldhahn, R., Deppe, M., As, D. J., &#38; Feneberg, M. (2019). Influence
    of the free-electron concentration on the optical properties of zincblende GaN
    up to 1×1020cm−3. <i>Physical Review Materials</i>. <a href="https://doi.org/10.1103/physrevmaterials.3.104603">https://doi.org/10.1103/physrevmaterials.3.104603</a>
  bibtex: '@article{Baron_Goldhahn_Deppe_As_Feneberg_2019, title={Influence of the
    free-electron concentration on the optical properties of zincblende GaN up to
    1×1020cm−3}, DOI={<a href="https://doi.org/10.1103/physrevmaterials.3.104603">10.1103/physrevmaterials.3.104603</a>},
    journal={Physical Review Materials}, author={Baron, Elias and Goldhahn, Rüdiger
    and Deppe, Michael and As, Donat Josef and Feneberg, Martin}, year={2019} }'
  chicago: Baron, Elias, Rüdiger Goldhahn, Michael Deppe, Donat Josef As, and Martin
    Feneberg. “Influence of the Free-Electron Concentration on the Optical Properties
    of Zincblende GaN up to 1×1020cm−3.” <i>Physical Review Materials</i>, 2019. <a
    href="https://doi.org/10.1103/physrevmaterials.3.104603">https://doi.org/10.1103/physrevmaterials.3.104603</a>.
  ieee: E. Baron, R. Goldhahn, M. Deppe, D. J. As, and M. Feneberg, “Influence of
    the free-electron concentration on the optical properties of zincblende GaN up
    to 1×1020cm−3,” <i>Physical Review Materials</i>, 2019.
  mla: Baron, Elias, et al. “Influence of the Free-Electron Concentration on the Optical
    Properties of Zincblende GaN up to 1×1020cm−3.” <i>Physical Review Materials</i>,
    2019, doi:<a href="https://doi.org/10.1103/physrevmaterials.3.104603">10.1103/physrevmaterials.3.104603</a>.
  short: E. Baron, R. Goldhahn, M. Deppe, D.J. As, M. Feneberg, Physical Review Materials
    (2019).
date_created: 2021-09-07T08:40:08Z
date_updated: 2022-01-06T06:56:01Z
department:
- _id: '230'
- _id: '429'
doi: 10.1103/physrevmaterials.3.104603
language:
- iso: eng
publication: Physical Review Materials
publication_identifier:
  issn:
  - 2475-9953
publication_status: published
status: public
title: Influence of the free-electron concentration on the optical properties of zincblende
  GaN up to 1×1020cm−3
type: journal_article
user_id: '14'
year: '2019'
...
---
_id: '8646'
article_number: '095703'
author:
- first_name: M.
  full_name: Deppe, M.
  last_name: Deppe
- first_name: J. W.
  full_name: Gerlach, J. W.
  last_name: Gerlach
- first_name: S.
  full_name: Shvarkov, S.
  last_name: Shvarkov
- first_name: D.
  full_name: Rogalla, D.
  last_name: Rogalla
- first_name: H.-W.
  full_name: Becker, H.-W.
  last_name: Becker
- first_name: Dirk
  full_name: Reuter, Dirk
  id: '37763'
  last_name: Reuter
- first_name: Donat Josef
  full_name: As, Donat Josef
  id: '14'
  last_name: As
  orcid: 0000-0003-1121-3565
citation:
  ama: Deppe M, Gerlach JW, Shvarkov S, et al. Germanium doping of cubic GaN grown
    by molecular beam epitaxy. <i>Journal of Applied Physics</i>. 2019. doi:<a href="https://doi.org/10.1063/1.5066095">10.1063/1.5066095</a>
  apa: Deppe, M., Gerlach, J. W., Shvarkov, S., Rogalla, D., Becker, H.-W., Reuter,
    D., &#38; As, D. J. (2019). Germanium doping of cubic GaN grown by molecular beam
    epitaxy. <i>Journal of Applied Physics</i>. <a href="https://doi.org/10.1063/1.5066095">https://doi.org/10.1063/1.5066095</a>
  bibtex: '@article{Deppe_Gerlach_Shvarkov_Rogalla_Becker_Reuter_As_2019, title={Germanium
    doping of cubic GaN grown by molecular beam epitaxy}, DOI={<a href="https://doi.org/10.1063/1.5066095">10.1063/1.5066095</a>},
    number={095703}, journal={Journal of Applied Physics}, author={Deppe, M. and Gerlach,
    J. W. and Shvarkov, S. and Rogalla, D. and Becker, H.-W. and Reuter, Dirk and
    As, Donat Josef}, year={2019} }'
  chicago: Deppe, M., J. W. Gerlach, S. Shvarkov, D. Rogalla, H.-W. Becker, Dirk Reuter,
    and Donat Josef As. “Germanium Doping of Cubic GaN Grown by Molecular Beam Epitaxy.”
    <i>Journal of Applied Physics</i>, 2019. <a href="https://doi.org/10.1063/1.5066095">https://doi.org/10.1063/1.5066095</a>.
  ieee: M. Deppe <i>et al.</i>, “Germanium doping of cubic GaN grown by molecular
    beam epitaxy,” <i>Journal of Applied Physics</i>, 2019.
  mla: Deppe, M., et al. “Germanium Doping of Cubic GaN Grown by Molecular Beam Epitaxy.”
    <i>Journal of Applied Physics</i>, 095703, 2019, doi:<a href="https://doi.org/10.1063/1.5066095">10.1063/1.5066095</a>.
  short: M. Deppe, J.W. Gerlach, S. Shvarkov, D. Rogalla, H.-W. Becker, D. Reuter,
    D.J. As, Journal of Applied Physics (2019).
date_created: 2019-03-26T12:48:57Z
date_updated: 2022-01-06T07:03:58Z
department:
- _id: '230'
- _id: '429'
doi: 10.1063/1.5066095
language:
- iso: eng
project:
- _id: '67'
  name: TRR 142 - Subproject B2
publication: Journal of Applied Physics
publication_identifier:
  issn:
  - 0021-8979
  - 1089-7550
publication_status: published
status: public
title: Germanium doping of cubic GaN grown by molecular beam epitaxy
type: journal_article
user_id: '14'
year: '2019'
...
---
_id: '8797'
abstract:
- lang: eng
  text: Free from phase-matching constraints, plasmonic metasurfaces have contributed
    significantly to the control of optical nonlinearity and enhancement of nonlinear
    generation efficiency by engineering subwavelength meta-atoms. However, high dissipative
    losses and inevitable thermal heating limit their applicability in nonlinear nanophotonics.
    All-dielectric metasurfaces, supporting both electric and magnetic Mie-type resonances
    in their nanostructures, have appeared as a promising alternative to nonlinear
    plasmonics. High-index dielectric nanostructures, allowing additional magnetic
    resonances, can induce magnetic nonlinear effects, which, along with electric
    nonlinearities, increase the nonlinear conversion efficiency. In addition, low
    dissipative losses and high damage thresholds provide an extra degree of freedom
    for operating at high pump intensities, resulting in a considerable enhancement
    of the nonlinear processes. We discuss the current state of the art in the intensely
    developing area of all-dielectric nonlinear nanostructures and metasurfaces, including
    the role of Mie modes, Fano resonances, and anapole moments for harmonic generation,
    wave mixing, and ultrafast optical switching. Furthermore, we review the recent
    progress in the nonlinear phase and wavefront control using all-dielectric metasurfaces.
    We discuss techniques to realize all-dielectric metasurfaces for multifunctional
    applications and generation of second-order nonlinear processes from complementary
    metal–oxide–semiconductor-compatible materials.
article_type: review
author:
- first_name: Basudeb
  full_name: Sain, Basudeb
  last_name: Sain
- first_name: Cedrik
  full_name: Meier, Cedrik
  id: '20798'
  last_name: Meier
  orcid: https://orcid.org/0000-0002-3787-3572
- first_name: Thomas
  full_name: Zentgraf, Thomas
  id: '30525'
  last_name: Zentgraf
  orcid: 0000-0002-8662-1101
citation:
  ama: 'Sain B, Meier C, Zentgraf T. Nonlinear optics in all-dielectric nanoantennas
    and metasurfaces: a review. <i>Advanced Photonics</i>. 2019;1(2):024002. doi:<a
    href="https://doi.org/10.1117/1.ap.1.2.024002">10.1117/1.ap.1.2.024002</a>'
  apa: 'Sain, B., Meier, C., &#38; Zentgraf, T. (2019). Nonlinear optics in all-dielectric
    nanoantennas and metasurfaces: a review. <i>Advanced Photonics</i>, <i>1</i>(2),
    024002. <a href="https://doi.org/10.1117/1.ap.1.2.024002">https://doi.org/10.1117/1.ap.1.2.024002</a>'
  bibtex: '@article{Sain_Meier_Zentgraf_2019, title={Nonlinear optics in all-dielectric
    nanoantennas and metasurfaces: a review}, volume={1}, DOI={<a href="https://doi.org/10.1117/1.ap.1.2.024002">10.1117/1.ap.1.2.024002</a>},
    number={2}, journal={Advanced Photonics}, author={Sain, Basudeb and Meier, Cedrik
    and Zentgraf, Thomas}, year={2019}, pages={024002} }'
  chicago: 'Sain, Basudeb, Cedrik Meier, and Thomas Zentgraf. “Nonlinear Optics in
    All-Dielectric Nanoantennas and Metasurfaces: A Review.” <i>Advanced Photonics</i>
    1, no. 2 (2019): 024002. <a href="https://doi.org/10.1117/1.ap.1.2.024002">https://doi.org/10.1117/1.ap.1.2.024002</a>.'
  ieee: 'B. Sain, C. Meier, and T. Zentgraf, “Nonlinear optics in all-dielectric nanoantennas
    and metasurfaces: a review,” <i>Advanced Photonics</i>, vol. 1, no. 2, p. 024002,
    2019.'
  mla: 'Sain, Basudeb, et al. “Nonlinear Optics in All-Dielectric Nanoantennas and
    Metasurfaces: A Review.” <i>Advanced Photonics</i>, vol. 1, no. 2, 2019, p. 024002,
    doi:<a href="https://doi.org/10.1117/1.ap.1.2.024002">10.1117/1.ap.1.2.024002</a>.'
  short: B. Sain, C. Meier, T. Zentgraf, Advanced Photonics 1 (2019) 024002.
date_created: 2019-04-04T06:20:14Z
date_updated: 2022-01-06T07:04:02Z
ddc:
- '530'
department:
- _id: '15'
- _id: '230'
- _id: '429'
- _id: '289'
doi: 10.1117/1.ap.1.2.024002
file:
- access_level: closed
  content_type: application/pdf
  creator: zentgraf
  date_created: 2019-12-14T14:24:36Z
  date_updated: 2019-12-14T14:24:36Z
  file_id: '15330'
  file_name: AdvPhoton_2019.pdf
  file_size: 5275552
  relation: main_file
  success: 1
file_date_updated: 2019-12-14T14:24:36Z
has_accepted_license: '1'
intvolume: '         1'
issue: '2'
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: https://www.spiedigitallibrary.org/journals/Advanced-Photonics/volume-1/issue-02/024002/Nonlinear-optics-in-all-dielectric-nanoantennas-and-metasurfaces--a/10.1117/1.AP.1.2.024002.full
oa: '1'
page: '024002'
project:
- _id: '53'
  name: TRR 142
- _id: '75'
  name: TRR 142 - Subproject C5
- _id: '56'
  name: TRR 142 - Project Area C
publication: Advanced Photonics
publication_identifier:
  issn:
  - 2577-5421
publication_status: published
quality_controlled: '1'
status: public
title: 'Nonlinear optics in all-dielectric nanoantennas and metasurfaces: a review'
type: journal_article
user_id: '30525'
volume: 1
year: '2019'
...
---
_id: '11953'
abstract:
- lang: eng
  text: As flexible optical devices that can manipulate the phase and amplitude of
    light, metasurfaces would clearly benefit from directional optical properties.
    However, single layer metasurface systems consisting of two-dimensional nanoparticle
    arrays exhibit only a weak spatial asymmetry perpendicular to the surface and
    therefore have mostly symmetric transmission features. Here, we present a metasurface
    design principle for nonreciprocal polarization encryption of holographic images.
    Our approach is based on a two-layer plasmonic metasurface design that introduces
    a local asymmetry and generates a bidirectional functionality with full phase
    and amplitude control of the transmitted light. The encoded hologram is designed
    to appear in a particular linear cross-polarization channel, while it is disappearing
    in the reverse propagation direction. Hence, layered metasurface systems can feature
    asymmetric transmission with full phase and amplitude control and therefore expand
    the design freedom in nanoscale optical devices toward asymmetric information
    processing and security features for anticounterfeiting applications.
article_type: original
author:
- first_name: Daniel
  full_name: Frese, Daniel
  last_name: Frese
- first_name: Qunshuo
  full_name: Wei, Qunshuo
  last_name: Wei
- first_name: Yongtian
  full_name: Wang, Yongtian
  last_name: Wang
- first_name: Lingling
  full_name: Huang, Lingling
  last_name: Huang
- first_name: Thomas
  full_name: Zentgraf, Thomas
  id: '30525'
  last_name: Zentgraf
  orcid: 0000-0002-8662-1101
citation:
  ama: Frese D, Wei Q, Wang Y, Huang L, Zentgraf T. Nonreciprocal Asymmetric Polarization
    Encryption by Layered Plasmonic Metasurfaces. <i>Nano Letters</i>. 2019;19(6):3976-3980.
    doi:<a href="https://doi.org/10.1021/acs.nanolett.9b01298">10.1021/acs.nanolett.9b01298</a>
  apa: Frese, D., Wei, Q., Wang, Y., Huang, L., &#38; Zentgraf, T. (2019). Nonreciprocal
    Asymmetric Polarization Encryption by Layered Plasmonic Metasurfaces. <i>Nano
    Letters</i>, <i>19</i>(6), 3976–3980. <a href="https://doi.org/10.1021/acs.nanolett.9b01298">https://doi.org/10.1021/acs.nanolett.9b01298</a>
  bibtex: '@article{Frese_Wei_Wang_Huang_Zentgraf_2019, title={Nonreciprocal Asymmetric
    Polarization Encryption by Layered Plasmonic Metasurfaces}, volume={19}, DOI={<a
    href="https://doi.org/10.1021/acs.nanolett.9b01298">10.1021/acs.nanolett.9b01298</a>},
    number={6}, journal={Nano Letters}, author={Frese, Daniel and Wei, Qunshuo and
    Wang, Yongtian and Huang, Lingling and Zentgraf, Thomas}, year={2019}, pages={3976–3980}
    }'
  chicago: 'Frese, Daniel, Qunshuo Wei, Yongtian Wang, Lingling Huang, and Thomas
    Zentgraf. “Nonreciprocal Asymmetric Polarization Encryption by Layered Plasmonic
    Metasurfaces.” <i>Nano Letters</i> 19, no. 6 (2019): 3976–80. <a href="https://doi.org/10.1021/acs.nanolett.9b01298">https://doi.org/10.1021/acs.nanolett.9b01298</a>.'
  ieee: 'D. Frese, Q. Wei, Y. Wang, L. Huang, and T. Zentgraf, “Nonreciprocal Asymmetric
    Polarization Encryption by Layered Plasmonic Metasurfaces,” <i>Nano Letters</i>,
    vol. 19, no. 6, pp. 3976–3980, 2019, doi: <a href="https://doi.org/10.1021/acs.nanolett.9b01298">10.1021/acs.nanolett.9b01298</a>.'
  mla: Frese, Daniel, et al. “Nonreciprocal Asymmetric Polarization Encryption by
    Layered Plasmonic Metasurfaces.” <i>Nano Letters</i>, vol. 19, no. 6, 2019, pp.
    3976–80, doi:<a href="https://doi.org/10.1021/acs.nanolett.9b01298">10.1021/acs.nanolett.9b01298</a>.
  short: D. Frese, Q. Wei, Y. Wang, L. Huang, T. Zentgraf, Nano Letters 19 (2019)
    3976–3980.
date_created: 2019-07-15T07:55:26Z
date_updated: 2022-01-06T06:51:13Z
department:
- _id: '15'
- _id: '230'
- _id: '289'
- _id: '429'
doi: 10.1021/acs.nanolett.9b01298
external_id:
  pmid:
  - '31050899'
funded_apc: '1'
intvolume: '        19'
issue: '6'
language:
- iso: eng
page: 3976-3980
pmid: '1'
project:
- _id: '54'
  name: TRR 142 - Project Area A
- _id: '65'
  name: TRR 142 - Subproject A8
- _id: '53'
  name: TRR 142
publication: Nano Letters
publication_identifier:
  issn:
  - 1530-6984
  - 1530-6992
publication_status: published
quality_controlled: '1'
status: public
title: Nonreciprocal Asymmetric Polarization Encryption by Layered Plasmonic Metasurfaces
type: journal_article
user_id: '30525'
volume: 19
year: '2019'
...
---
_id: '12908'
author:
- first_name: Manfred
  full_name: Hammer, Manfred
  id: '48077'
  last_name: Hammer
  orcid: 0000-0002-6331-9348
- first_name: Lena
  full_name: Ebers, Lena
  id: '40428'
  last_name: Ebers
- first_name: Jens
  full_name: Förstner, Jens
  id: '158'
  last_name: Förstner
  orcid: 0000-0001-7059-9862
citation:
  ama: 'Hammer M, Ebers L, Förstner J. Oblique quasi-lossless excitation of a thin
    silicon slab waveguide: a guided-wave variant of an anti-reflection coating. <i>Journal
    of the Optical Society of America B</i>. 2019;36:2395. doi:<a href="https://doi.org/10.1364/josab.36.002395">10.1364/josab.36.002395</a>'
  apa: 'Hammer, M., Ebers, L., &#38; Förstner, J. (2019). Oblique quasi-lossless excitation
    of a thin silicon slab waveguide: a guided-wave variant of an anti-reflection
    coating. <i>Journal of the Optical Society of America B</i>, <i>36</i>, 2395.
    <a href="https://doi.org/10.1364/josab.36.002395">https://doi.org/10.1364/josab.36.002395</a>'
  bibtex: '@article{Hammer_Ebers_Förstner_2019, title={Oblique quasi-lossless excitation
    of a thin silicon slab waveguide: a guided-wave variant of an anti-reflection
    coating}, volume={36}, DOI={<a href="https://doi.org/10.1364/josab.36.002395">10.1364/josab.36.002395</a>},
    journal={Journal of the Optical Society of America B}, author={Hammer, Manfred
    and Ebers, Lena and Förstner, Jens}, year={2019}, pages={2395} }'
  chicago: 'Hammer, Manfred, Lena Ebers, and Jens Förstner. “Oblique Quasi-Lossless
    Excitation of a Thin Silicon Slab Waveguide: A Guided-Wave Variant of an Anti-Reflection
    Coating.” <i>Journal of the Optical Society of America B</i> 36 (2019): 2395.
    <a href="https://doi.org/10.1364/josab.36.002395">https://doi.org/10.1364/josab.36.002395</a>.'
  ieee: 'M. Hammer, L. Ebers, and J. Förstner, “Oblique quasi-lossless excitation
    of a thin silicon slab waveguide: a guided-wave variant of an anti-reflection
    coating,” <i>Journal of the Optical Society of America B</i>, vol. 36, p. 2395,
    2019.'
  mla: 'Hammer, Manfred, et al. “Oblique Quasi-Lossless Excitation of a Thin Silicon
    Slab Waveguide: A Guided-Wave Variant of an Anti-Reflection Coating.” <i>Journal
    of the Optical Society of America B</i>, vol. 36, 2019, p. 2395, doi:<a href="https://doi.org/10.1364/josab.36.002395">10.1364/josab.36.002395</a>.'
  short: M. Hammer, L. Ebers, J. Förstner, Journal of the Optical Society of America
    B 36 (2019) 2395.
date_created: 2019-08-09T07:07:45Z
date_updated: 2022-01-06T06:51:24Z
ddc:
- '530'
department:
- _id: '61'
- _id: '230'
- _id: '429'
doi: 10.1364/josab.36.002395
file:
- access_level: open_access
  content_type: application/pdf
  creator: fossie
  date_created: 2019-08-09T07:09:04Z
  date_updated: 2019-08-09T07:09:04Z
  file_id: '12909'
  file_name: 2019-07 Hammer - JOSA B - Oblique Quasi-Lossless Excitation of a Thin
    Silicon Slab Waveguide (preprint).pdf
  file_size: 728533
  relation: main_file
file_date_updated: 2019-08-09T07:09:04Z
has_accepted_license: '1'
intvolume: '        36'
keyword:
- tet_topic_waveguides
language:
- iso: eng
oa: '1'
page: '2395'
project:
- _id: '53'
  name: TRR 142
- _id: '56'
  name: TRR 142 - Project Area C
- _id: '75'
  name: TRR 142 - Subproject C5
publication: Journal of the Optical Society of America B
publication_identifier:
  issn:
  - 0740-3224
  - 1520-8540
publication_status: published
status: public
title: 'Oblique quasi-lossless excitation of a thin silicon slab waveguide: a guided-wave
  variant of an anti-reflection coating'
type: journal_article
user_id: '158'
volume: 36
year: '2019'
...
---
_id: '12930'
article_number: '095009'
author:
- first_name: Ronja
  full_name: Köthemann, Ronja
  last_name: Köthemann
- first_name: Nils
  full_name: Weber, Nils
  last_name: Weber
- first_name: Jörg K N
  full_name: Lindner, Jörg K N
  last_name: Lindner
- first_name: Cedrik
  full_name: Meier, Cedrik
  id: '20798'
  last_name: Meier
  orcid: https://orcid.org/0000-0002-3787-3572
citation:
  ama: 'Köthemann R, Weber N, Lindner JKN, Meier C. High-precision determination of
    silicon nanocrystals: optical spectroscopy versus electron microscopy. <i>Semiconductor
    Science and Technology</i>. 2019;34(9). doi:<a href="https://doi.org/10.1088/1361-6641/ab3536">10.1088/1361-6641/ab3536</a>'
  apa: 'Köthemann, R., Weber, N., Lindner, J. K. N., &#38; Meier, C. (2019). High-precision
    determination of silicon nanocrystals: optical spectroscopy versus electron microscopy.
    <i>Semiconductor Science and Technology</i>, <i>34</i>(9). <a href="https://doi.org/10.1088/1361-6641/ab3536">https://doi.org/10.1088/1361-6641/ab3536</a>'
  bibtex: '@article{Köthemann_Weber_Lindner_Meier_2019, title={High-precision determination
    of silicon nanocrystals: optical spectroscopy versus electron microscopy}, volume={34},
    DOI={<a href="https://doi.org/10.1088/1361-6641/ab3536">10.1088/1361-6641/ab3536</a>},
    number={9095009}, journal={Semiconductor Science and Technology}, author={Köthemann,
    Ronja and Weber, Nils and Lindner, Jörg K N and Meier, Cedrik}, year={2019} }'
  chicago: 'Köthemann, Ronja, Nils Weber, Jörg K N Lindner, and Cedrik Meier. “High-Precision
    Determination of Silicon Nanocrystals: Optical Spectroscopy versus Electron Microscopy.”
    <i>Semiconductor Science and Technology</i> 34, no. 9 (2019). <a href="https://doi.org/10.1088/1361-6641/ab3536">https://doi.org/10.1088/1361-6641/ab3536</a>.'
  ieee: 'R. Köthemann, N. Weber, J. K. N. Lindner, and C. Meier, “High-precision determination
    of silicon nanocrystals: optical spectroscopy versus electron microscopy,” <i>Semiconductor
    Science and Technology</i>, vol. 34, no. 9, 2019.'
  mla: 'Köthemann, Ronja, et al. “High-Precision Determination of Silicon Nanocrystals:
    Optical Spectroscopy versus Electron Microscopy.” <i>Semiconductor Science and
    Technology</i>, vol. 34, no. 9, 095009, 2019, doi:<a href="https://doi.org/10.1088/1361-6641/ab3536">10.1088/1361-6641/ab3536</a>.'
  short: R. Köthemann, N. Weber, J.K.N. Lindner, C. Meier, Semiconductor Science and
    Technology 34 (2019).
date_created: 2019-08-14T11:12:33Z
date_updated: 2022-01-06T06:51:26Z
ddc:
- '530'
department:
- _id: '15'
- _id: '230'
- _id: '429'
- _id: '287'
doi: 10.1088/1361-6641/ab3536
intvolume: '        34'
issue: '9'
language:
- iso: eng
project:
- _id: '53'
  name: TRR 142
- _id: '55'
  name: TRR 142 - Project Area B
- _id: '66'
  name: TRR 142 - Subproject B1
- _id: '56'
  name: TRR 142 - Project Area C
- _id: '75'
  name: TRR 142 - Subproject C5
publication: Semiconductor Science and Technology
publication_identifier:
  issn:
  - 0268-1242
  - 1361-6641
publication_status: published
status: public
title: 'High-precision determination of silicon nanocrystals: optical spectroscopy
  versus electron microscopy'
type: journal_article
user_id: '20798'
volume: 34
year: '2019'
...
---
_id: '13965'
article_number: '153901'
author:
- first_name: J. H.
  full_name: Buß, J. H.
  last_name: Buß
- first_name: T.
  full_name: Schupp, T.
  last_name: Schupp
- first_name: Donat Josef
  full_name: As, Donat Josef
  id: '14'
  last_name: As
  orcid: 0000-0003-1121-3565
- first_name: D.
  full_name: Hägele, D.
  last_name: Hägele
- first_name: J.
  full_name: Rudolph, J.
  last_name: Rudolph
citation:
  ama: Buß JH, Schupp T, As DJ, Hägele D, Rudolph J. Optical excitation density dependence
    of spin dynamics in bulk cubic GaN. <i>Journal of Applied Physics</i>. 2019. doi:<a
    href="https://doi.org/10.1063/1.5123914">10.1063/1.5123914</a>
  apa: Buß, J. H., Schupp, T., As, D. J., Hägele, D., &#38; Rudolph, J. (2019). Optical
    excitation density dependence of spin dynamics in bulk cubic GaN. <i>Journal of
    Applied Physics</i>. <a href="https://doi.org/10.1063/1.5123914">https://doi.org/10.1063/1.5123914</a>
  bibtex: '@article{Buß_Schupp_As_Hägele_Rudolph_2019, title={Optical excitation density
    dependence of spin dynamics in bulk cubic GaN}, DOI={<a href="https://doi.org/10.1063/1.5123914">10.1063/1.5123914</a>},
    number={153901}, journal={Journal of Applied Physics}, author={Buß, J. H. and
    Schupp, T. and As, Donat Josef and Hägele, D. and Rudolph, J.}, year={2019} }'
  chicago: Buß, J. H., T. Schupp, Donat Josef As, D. Hägele, and J. Rudolph. “Optical
    Excitation Density Dependence of Spin Dynamics in Bulk Cubic GaN.” <i>Journal
    of Applied Physics</i>, 2019. <a href="https://doi.org/10.1063/1.5123914">https://doi.org/10.1063/1.5123914</a>.
  ieee: J. H. Buß, T. Schupp, D. J. As, D. Hägele, and J. Rudolph, “Optical excitation
    density dependence of spin dynamics in bulk cubic GaN,” <i>Journal of Applied
    Physics</i>, 2019.
  mla: Buß, J. H., et al. “Optical Excitation Density Dependence of Spin Dynamics
    in Bulk Cubic GaN.” <i>Journal of Applied Physics</i>, 153901, 2019, doi:<a href="https://doi.org/10.1063/1.5123914">10.1063/1.5123914</a>.
  short: J.H. Buß, T. Schupp, D.J. As, D. Hägele, J. Rudolph, Journal of Applied Physics
    (2019).
date_created: 2019-10-22T12:26:02Z
date_updated: 2022-01-06T06:51:48Z
department:
- _id: '230'
- _id: '429'
doi: 10.1063/1.5123914
language:
- iso: eng
publication: Journal of Applied Physics
publication_identifier:
  issn:
  - 0021-8979
  - 1089-7550
publication_status: published
status: public
title: Optical excitation density dependence of spin dynamics in bulk cubic GaN
type: journal_article
user_id: '14'
year: '2019'
...
---
_id: '13966'
author:
- first_name: Elias
  full_name: Baron, Elias
  last_name: Baron
- first_name: Rüdiger
  full_name: Goldhahn, Rüdiger
  last_name: Goldhahn
- first_name: Michael
  full_name: Deppe, Michael
  last_name: Deppe
- first_name: Donat Josef
  full_name: As, Donat Josef
  id: '14'
  last_name: As
  orcid: 0000-0003-1121-3565
- first_name: Martin
  full_name: Feneberg, Martin
  last_name: Feneberg
citation:
  ama: Baron E, Goldhahn R, Deppe M, As DJ, Feneberg M. Influence of the free-electron
    concentration on the optical properties of zincblende GaN up to 1×1020cm−3. <i>Physical
    Review Materials</i>. 2019. doi:<a href="https://doi.org/10.1103/physrevmaterials.3.104603">10.1103/physrevmaterials.3.104603</a>
  apa: Baron, E., Goldhahn, R., Deppe, M., As, D. J., &#38; Feneberg, M. (2019). Influence
    of the free-electron concentration on the optical properties of zincblende GaN
    up to 1×1020cm−3. <i>Physical Review Materials</i>. <a href="https://doi.org/10.1103/physrevmaterials.3.104603">https://doi.org/10.1103/physrevmaterials.3.104603</a>
  bibtex: '@article{Baron_Goldhahn_Deppe_As_Feneberg_2019, title={Influence of the
    free-electron concentration on the optical properties of zincblende GaN up to
    1×1020cm−3}, DOI={<a href="https://doi.org/10.1103/physrevmaterials.3.104603">10.1103/physrevmaterials.3.104603</a>},
    journal={Physical Review Materials}, author={Baron, Elias and Goldhahn, Rüdiger
    and Deppe, Michael and As, Donat Josef and Feneberg, Martin}, year={2019} }'
  chicago: Baron, Elias, Rüdiger Goldhahn, Michael Deppe, Donat Josef As, and Martin
    Feneberg. “Influence of the Free-Electron Concentration on the Optical Properties
    of Zincblende GaN up to 1×1020cm−3.” <i>Physical Review Materials</i>, 2019. <a
    href="https://doi.org/10.1103/physrevmaterials.3.104603">https://doi.org/10.1103/physrevmaterials.3.104603</a>.
  ieee: E. Baron, R. Goldhahn, M. Deppe, D. J. As, and M. Feneberg, “Influence of
    the free-electron concentration on the optical properties of zincblende GaN up
    to 1×1020cm−3,” <i>Physical Review Materials</i>, 2019.
  mla: Baron, Elias, et al. “Influence of the Free-Electron Concentration on the Optical
    Properties of Zincblende GaN up to 1×1020cm−3.” <i>Physical Review Materials</i>,
    2019, doi:<a href="https://doi.org/10.1103/physrevmaterials.3.104603">10.1103/physrevmaterials.3.104603</a>.
  short: E. Baron, R. Goldhahn, M. Deppe, D.J. As, M. Feneberg, Physical Review Materials
    (2019).
date_created: 2019-10-22T12:27:30Z
date_updated: 2022-01-06T06:51:48Z
department:
- _id: '230'
- _id: '429'
doi: 10.1103/physrevmaterials.3.104603
language:
- iso: eng
publication: Physical Review Materials
publication_identifier:
  issn:
  - 2475-9953
publication_status: published
status: public
title: Influence of the free-electron concentration on the optical properties of zincblende
  GaN up to 1×1020cm−3
type: journal_article
user_id: '14'
year: '2019'
...
---
_id: '14544'
author:
- first_name: J.
  full_name: Vondran, J.
  last_name: Vondran
- first_name: F.
  full_name: Spitzer, F.
  last_name: Spitzer
- first_name: M.
  full_name: Bayer, M.
  last_name: Bayer
- first_name: I. A.
  full_name: Akimov, I. A.
  last_name: Akimov
- first_name: Alexander
  full_name: Trautmann, Alexander
  id: '38163'
  last_name: Trautmann
- first_name: Matthias
  full_name: Reichelt, Matthias
  id: '138'
  last_name: Reichelt
- first_name: Cedrik
  full_name: Meier, Cedrik
  id: '20798'
  last_name: Meier
  orcid: https://orcid.org/0000-0002-3787-3572
- first_name: N.
  full_name: Weber, N.
  last_name: Weber
- first_name: Torsten
  full_name: Meier, Torsten
  id: '344'
  last_name: Meier
  orcid: 0000-0001-8864-2072
- first_name: R.
  full_name: André, R.
  last_name: André
- first_name: H.
  full_name: Mariette, H.
  last_name: Mariette
citation:
  ama: Vondran J, Spitzer F, Bayer M, et al. Spatially asymmetric transients of propagating
    exciton-polariton modes in a planar CdZnTe/CdMgTe guiding structure. <i>Physical
    Review B</i>. 2019;100(15):155308. doi:<a href="https://doi.org/10.1103/physrevb.100.155308">10.1103/physrevb.100.155308</a>
  apa: Vondran, J., Spitzer, F., Bayer, M., Akimov, I. A., Trautmann, A., Reichelt,
    M., Meier, C., Weber, N., Meier, T., André, R., &#38; Mariette, H. (2019). Spatially
    asymmetric transients of propagating exciton-polariton modes in a planar CdZnTe/CdMgTe
    guiding structure. <i>Physical Review B</i>, <i>100</i>(15), 155308. <a href="https://doi.org/10.1103/physrevb.100.155308">https://doi.org/10.1103/physrevb.100.155308</a>
  bibtex: '@article{Vondran_Spitzer_Bayer_Akimov_Trautmann_Reichelt_Meier_Weber_Meier_André_et
    al._2019, title={Spatially asymmetric transients of propagating exciton-polariton
    modes in a planar CdZnTe/CdMgTe guiding structure}, volume={100}, DOI={<a href="https://doi.org/10.1103/physrevb.100.155308">10.1103/physrevb.100.155308</a>},
    number={15}, journal={Physical Review B}, author={Vondran, J. and Spitzer, F.
    and Bayer, M. and Akimov, I. A. and Trautmann, Alexander and Reichelt, Matthias
    and Meier, Cedrik and Weber, N. and Meier, Torsten and André, R. and et al.},
    year={2019}, pages={155308} }'
  chicago: 'Vondran, J., F. Spitzer, M. Bayer, I. A. Akimov, Alexander Trautmann,
    Matthias Reichelt, Cedrik Meier, et al. “Spatially Asymmetric Transients of Propagating
    Exciton-Polariton Modes in a Planar CdZnTe/CdMgTe Guiding Structure.” <i>Physical
    Review B</i> 100, no. 15 (2019): 155308. <a href="https://doi.org/10.1103/physrevb.100.155308">https://doi.org/10.1103/physrevb.100.155308</a>.'
  ieee: 'J. Vondran <i>et al.</i>, “Spatially asymmetric transients of propagating
    exciton-polariton modes in a planar CdZnTe/CdMgTe guiding structure,” <i>Physical
    Review B</i>, vol. 100, no. 15, p. 155308, 2019, doi: <a href="https://doi.org/10.1103/physrevb.100.155308">10.1103/physrevb.100.155308</a>.'
  mla: Vondran, J., et al. “Spatially Asymmetric Transients of Propagating Exciton-Polariton
    Modes in a Planar CdZnTe/CdMgTe Guiding Structure.” <i>Physical Review B</i>,
    vol. 100, no. 15, 2019, p. 155308, doi:<a href="https://doi.org/10.1103/physrevb.100.155308">10.1103/physrevb.100.155308</a>.
  short: J. Vondran, F. Spitzer, M. Bayer, I.A. Akimov, A. Trautmann, M. Reichelt,
    C. Meier, N. Weber, T. Meier, R. André, H. Mariette, Physical Review B 100 (2019)
    155308.
date_created: 2019-11-05T13:30:07Z
date_updated: 2023-04-16T01:54:53Z
department:
- _id: '15'
- _id: '230'
- _id: '287'
- _id: '35'
- _id: '293'
- _id: '170'
- _id: '429'
doi: 10.1103/physrevb.100.155308
intvolume: '       100'
issue: '15'
language:
- iso: eng
page: '155308'
project:
- _id: '53'
  name: TRR 142
- _id: '55'
  name: TRR 142 - Project Area B
- _id: '66'
  name: TRR 142 - Subproject B1
- _id: '53'
  name: TRR 142
- _id: '54'
  name: TRR 142 - Project Area A
- _id: '59'
  name: TRR 142 - Subproject A2
publication: Physical Review B
publication_identifier:
  issn:
  - 2469-9950
  - 2469-9969
publication_status: published
status: public
title: Spatially asymmetric transients of propagating exciton-polariton modes in a
  planar CdZnTe/CdMgTe guiding structure
type: journal_article
user_id: '49063'
volume: 100
year: '2019'
...
---
_id: '10014'
abstract:
- lang: eng
  text: The cubic, tetragonal, and orthorhombic phase of potassium niobate (KNbO3)
    are studied based on density-functional theory. Starting from the relaxed atomic
    geometries, we analyze the influence of self-energy corrections on the electronic
    band structure within the GW approximation. We find that quasiparticle shifts
    widen the direct (indirect) band gap by 1.21 (1.44), 1.58 (1.55), and 1.67 (1.64)
    eV for the cubic, tetragonal, and orthorhombic phase, respectively. By solving
    the Bethe-Salpeter equation, we obtain the linear dielectric function with excitonic
    and local-field effects, which turn out to be essential for good agreement with
    experimental data. From our results, we extract an exciton binding energy of 0.6,
    0.5, and 0.5 eV for the cubic, tetragonal, and orthorhombic phase, respectively.
    Furthermore, we investigate the nonlinear second-harmonic generation (SHG) both
    theoretically and experimentally. The frequency-dependent second-order polarization
    tensor of orthorhombic KNbO3 is measured for incoming photon energies between
    1.2 and 1.6 eV. In addition, calculations within the independent-(quasi)particle
    approximation are performed for the tetragonal and orthorhombic phase. The novel
    experimental data are in excellent agreement with the quasiparticle calculations
    and resolve persistent discrepancies between earlier experimental measurements
    and ab initio results reported in the literature.
article_number: '054401'
article_type: original
author:
- first_name: Falko
  full_name: Schmidt, Falko
  id: '35251'
  last_name: Schmidt
  orcid: 0000-0002-5071-5528
- first_name: Arthur
  full_name: Riefer, Arthur
  last_name: Riefer
- first_name: Wolf Gero
  full_name: Schmidt, Wolf Gero
  id: '468'
  last_name: Schmidt
  orcid: 0000-0002-2717-5076
- first_name: Arno
  full_name: Schindlmayr, Arno
  id: '458'
  last_name: Schindlmayr
  orcid: 0000-0002-4855-071X
- first_name: Mirco
  full_name: Imlau, Mirco
  last_name: Imlau
- first_name: Florian
  full_name: Dobener, Florian
  last_name: Dobener
- first_name: Nils
  full_name: Mengel, Nils
  last_name: Mengel
- first_name: Sangam
  full_name: Chatterjee, Sangam
  last_name: Chatterjee
- first_name: Simone
  full_name: Sanna, Simone
  last_name: Sanna
citation:
  ama: Schmidt F, Riefer A, Schmidt WG, et al. Quasiparticle and excitonic effects
    in the optical response of KNbO3. <i>Physical Review Materials</i>. 2019;3(5).
    doi:<a href="https://doi.org/10.1103/PhysRevMaterials.3.054401">10.1103/PhysRevMaterials.3.054401</a>
  apa: Schmidt, F., Riefer, A., Schmidt, W. G., Schindlmayr, A., Imlau, M., Dobener,
    F., Mengel, N., Chatterjee, S., &#38; Sanna, S. (2019). Quasiparticle and excitonic
    effects in the optical response of KNbO3. <i>Physical Review Materials</i>, <i>3</i>(5),
    Article 054401. <a href="https://doi.org/10.1103/PhysRevMaterials.3.054401">https://doi.org/10.1103/PhysRevMaterials.3.054401</a>
  bibtex: '@article{Schmidt_Riefer_Schmidt_Schindlmayr_Imlau_Dobener_Mengel_Chatterjee_Sanna_2019,
    title={Quasiparticle and excitonic effects in the optical response of KNbO3},
    volume={3}, DOI={<a href="https://doi.org/10.1103/PhysRevMaterials.3.054401">10.1103/PhysRevMaterials.3.054401</a>},
    number={5054401}, journal={Physical Review Materials}, publisher={American Physical
    Society}, author={Schmidt, Falko and Riefer, Arthur and Schmidt, Wolf Gero and
    Schindlmayr, Arno and Imlau, Mirco and Dobener, Florian and Mengel, Nils and Chatterjee,
    Sangam and Sanna, Simone}, year={2019} }'
  chicago: Schmidt, Falko, Arthur Riefer, Wolf Gero Schmidt, Arno Schindlmayr, Mirco
    Imlau, Florian Dobener, Nils Mengel, Sangam Chatterjee, and Simone Sanna. “Quasiparticle
    and Excitonic Effects in the Optical Response of KNbO3.” <i>Physical Review Materials</i>
    3, no. 5 (2019). <a href="https://doi.org/10.1103/PhysRevMaterials.3.054401">https://doi.org/10.1103/PhysRevMaterials.3.054401</a>.
  ieee: 'F. Schmidt <i>et al.</i>, “Quasiparticle and excitonic effects in the optical
    response of KNbO3,” <i>Physical Review Materials</i>, vol. 3, no. 5, Art. no.
    054401, 2019, doi: <a href="https://doi.org/10.1103/PhysRevMaterials.3.054401">10.1103/PhysRevMaterials.3.054401</a>.'
  mla: Schmidt, Falko, et al. “Quasiparticle and Excitonic Effects in the Optical
    Response of KNbO3.” <i>Physical Review Materials</i>, vol. 3, no. 5, 054401, American
    Physical Society, 2019, doi:<a href="https://doi.org/10.1103/PhysRevMaterials.3.054401">10.1103/PhysRevMaterials.3.054401</a>.
  short: F. Schmidt, A. Riefer, W.G. Schmidt, A. Schindlmayr, M. Imlau, F. Dobener,
    N. Mengel, S. Chatterjee, S. Sanna, Physical Review Materials 3 (2019).
date_created: 2019-05-29T06:55:29Z
date_updated: 2023-04-20T14:20:33Z
ddc:
- '530'
department:
- _id: '295'
- _id: '296'
- _id: '230'
- _id: '429'
- _id: '170'
- _id: '35'
doi: 10.1103/PhysRevMaterials.3.054401
external_id:
  isi:
  - '000467044000003'
file:
- access_level: open_access
  content_type: application/pdf
  creator: schindlm
  date_created: 2020-08-27T19:05:54Z
  date_updated: 2020-08-30T14:34:33Z
  description: © 2019 American Physical Society
  file_id: '18465'
  file_name: PhysRevMaterials.3.054401.pdf
  file_size: 1949504
  relation: main_file
  title: Quasiparticle and excitonic effects in the optical response of KNbO3
file_date_updated: 2020-08-30T14:34:33Z
has_accepted_license: '1'
intvolume: '         3'
isi: '1'
issue: '5'
language:
- iso: eng
oa: '1'
project:
- _id: '52'
  name: Computing Resources Provided by the Paderborn Center for Parallel Computing
- _id: '53'
  name: TRR 142
- _id: '55'
  name: TRR 142 - Project Area B
- _id: '69'
  name: TRR 142 - Subproject B4
- _id: '52'
  name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
publication: Physical Review Materials
publication_identifier:
  eissn:
  - 2475-9953
publication_status: published
publisher: American Physical Society
quality_controlled: '1'
status: public
title: Quasiparticle and excitonic effects in the optical response of KNbO3
type: journal_article
user_id: '16199'
volume: 3
year: '2019'
...
---
_id: '37288'
abstract:
- lang: eng
  text: <jats:p>An integrated chip with quantum state generation, active polarization
    manipulation, and precise time control is demonstrated.</jats:p>
author:
- first_name: Kai-Hong
  full_name: Luo, Kai-Hong
  id: '36389'
  last_name: Luo
  orcid: 0000-0003-1008-4976
- first_name: Sebastian
  full_name: Brauner, Sebastian
  id: '38161'
  last_name: Brauner
- first_name: Christof
  full_name: Eigner, Christof
  id: '13244'
  last_name: Eigner
  orcid: https://orcid.org/0000-0002-5693-3083
- first_name: Polina
  full_name: Sharapova, Polina
  id: '60286'
  last_name: Sharapova
- first_name: Raimund
  full_name: Ricken, Raimund
  last_name: Ricken
- first_name: Torsten
  full_name: Meier, Torsten
  id: '344'
  last_name: Meier
  orcid: 0000-0001-8864-2072
- first_name: Harald
  full_name: Herrmann, Harald
  id: '216'
  last_name: Herrmann
- first_name: Christine
  full_name: Silberhorn, Christine
  id: '26263'
  last_name: Silberhorn
citation:
  ama: Luo K-H, Brauner S, Eigner C, et al. Nonlinear integrated quantum electro-optic
    circuits. <i>Science Advances</i>. 2019;5(1). doi:<a href="https://doi.org/10.1126/sciadv.aat1451">10.1126/sciadv.aat1451</a>
  apa: Luo, K.-H., Brauner, S., Eigner, C., Sharapova, P., Ricken, R., Meier, T.,
    Herrmann, H., &#38; Silberhorn, C. (2019). Nonlinear integrated quantum electro-optic
    circuits. <i>Science Advances</i>, <i>5</i>(1). <a href="https://doi.org/10.1126/sciadv.aat1451">https://doi.org/10.1126/sciadv.aat1451</a>
  bibtex: '@article{Luo_Brauner_Eigner_Sharapova_Ricken_Meier_Herrmann_Silberhorn_2019,
    title={Nonlinear integrated quantum electro-optic circuits}, volume={5}, DOI={<a
    href="https://doi.org/10.1126/sciadv.aat1451">10.1126/sciadv.aat1451</a>}, number={1},
    journal={Science Advances}, publisher={American Association for the Advancement
    of Science (AAAS)}, author={Luo, Kai-Hong and Brauner, Sebastian and Eigner, Christof
    and Sharapova, Polina and Ricken, Raimund and Meier, Torsten and Herrmann, Harald
    and Silberhorn, Christine}, year={2019} }'
  chicago: Luo, Kai-Hong, Sebastian Brauner, Christof Eigner, Polina Sharapova, Raimund
    Ricken, Torsten Meier, Harald Herrmann, and Christine Silberhorn. “Nonlinear Integrated
    Quantum Electro-Optic Circuits.” <i>Science Advances</i> 5, no. 1 (2019). <a href="https://doi.org/10.1126/sciadv.aat1451">https://doi.org/10.1126/sciadv.aat1451</a>.
  ieee: 'K.-H. Luo <i>et al.</i>, “Nonlinear integrated quantum electro-optic circuits,”
    <i>Science Advances</i>, vol. 5, no. 1, 2019, doi: <a href="https://doi.org/10.1126/sciadv.aat1451">10.1126/sciadv.aat1451</a>.'
  mla: Luo, Kai-Hong, et al. “Nonlinear Integrated Quantum Electro-Optic Circuits.”
    <i>Science Advances</i>, vol. 5, no. 1, American Association for the Advancement
    of Science (AAAS), 2019, doi:<a href="https://doi.org/10.1126/sciadv.aat1451">10.1126/sciadv.aat1451</a>.
  short: K.-H. Luo, S. Brauner, C. Eigner, P. Sharapova, R. Ricken, T. Meier, H. Herrmann,
    C. Silberhorn, Science Advances 5 (2019).
date_created: 2023-01-18T10:35:19Z
date_updated: 2023-04-21T11:25:39Z
department:
- _id: '15'
- _id: '569'
- _id: '170'
- _id: '293'
- _id: '230'
- _id: '623'
- _id: '429'
- _id: '35'
doi: 10.1126/sciadv.aat1451
intvolume: '         5'
issue: '1'
keyword:
- Multidisciplinary
language:
- iso: eng
project:
- _id: '53'
  name: 'TRR 142: TRR 142'
- _id: '56'
  name: 'TRR 142 - C: TRR 142 - Project Area C'
- _id: '72'
  name: 'TRR 142 - C2: TRR 142 - Subproject C2'
- _id: '52'
  name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
publication: Science Advances
publication_identifier:
  issn:
  - 2375-2548
publication_status: published
publisher: American Association for the Advancement of Science (AAAS)
status: public
title: Nonlinear integrated quantum electro-optic circuits
type: journal_article
user_id: '16199'
volume: 5
year: '2019'
...
---
_id: '13284'
article_number: '125301'
author:
- first_name: Wolf-Rüdiger
  full_name: Hannes, Wolf-Rüdiger
  id: '66789'
  last_name: Hannes
  orcid: https://orcid.org/0000-0003-1210-4838
- first_name: Torsten
  full_name: Meier, Torsten
  id: '344'
  last_name: Meier
  orcid: 0000-0001-8864-2072
citation:
  ama: Hannes W-R, Meier T. Higher-order contributions and nonperturbative effects
    in the nondegenerate nonlinear optical absorption of semiconductors using a two-band
    model. <i>Physical Review B</i>. 2019;99(12). doi:<a href="https://doi.org/10.1103/physrevb.99.125301">10.1103/physrevb.99.125301</a>
  apa: Hannes, W.-R., &#38; Meier, T. (2019). Higher-order contributions and nonperturbative
    effects in the nondegenerate nonlinear optical absorption of semiconductors using
    a two-band model. <i>Physical Review B</i>, <i>99</i>(12), Article 125301. <a
    href="https://doi.org/10.1103/physrevb.99.125301">https://doi.org/10.1103/physrevb.99.125301</a>
  bibtex: '@article{Hannes_Meier_2019, title={Higher-order contributions and nonperturbative
    effects in the nondegenerate nonlinear optical absorption of semiconductors using
    a two-band model}, volume={99}, DOI={<a href="https://doi.org/10.1103/physrevb.99.125301">10.1103/physrevb.99.125301</a>},
    number={12125301}, journal={Physical Review B}, author={Hannes, Wolf-Rüdiger and
    Meier, Torsten}, year={2019} }'
  chicago: Hannes, Wolf-Rüdiger, and Torsten Meier. “Higher-Order Contributions and
    Nonperturbative Effects in the Nondegenerate Nonlinear Optical Absorption of Semiconductors
    Using a Two-Band Model.” <i>Physical Review B</i> 99, no. 12 (2019). <a href="https://doi.org/10.1103/physrevb.99.125301">https://doi.org/10.1103/physrevb.99.125301</a>.
  ieee: 'W.-R. Hannes and T. Meier, “Higher-order contributions and nonperturbative
    effects in the nondegenerate nonlinear optical absorption of semiconductors using
    a two-band model,” <i>Physical Review B</i>, vol. 99, no. 12, Art. no. 125301,
    2019, doi: <a href="https://doi.org/10.1103/physrevb.99.125301">10.1103/physrevb.99.125301</a>.'
  mla: Hannes, Wolf-Rüdiger, and Torsten Meier. “Higher-Order Contributions and Nonperturbative
    Effects in the Nondegenerate Nonlinear Optical Absorption of Semiconductors Using
    a Two-Band Model.” <i>Physical Review B</i>, vol. 99, no. 12, 125301, 2019, doi:<a
    href="https://doi.org/10.1103/physrevb.99.125301">10.1103/physrevb.99.125301</a>.
  short: W.-R. Hannes, T. Meier, Physical Review B 99 (2019).
date_created: 2019-09-18T14:18:05Z
date_updated: 2023-04-21T11:26:19Z
department:
- _id: '15'
- _id: '170'
- _id: '293'
- _id: '230'
- _id: '429'
- _id: '35'
doi: 10.1103/physrevb.99.125301
intvolume: '        99'
issue: '12'
language:
- iso: eng
project:
- _id: '52'
  name: Computing Resources Provided by the Paderborn Center for Parallel Computing
- _id: '64'
  name: TRR 142 - Subproject A7
- _id: '52'
  name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
- _id: '53'
  name: 'TRR 142: TRR 142'
- _id: '54'
  name: 'TRR 142 - A: TRR 142 - Project Area A'
publication: Physical Review B
publication_identifier:
  issn:
  - 2469-9950
  - 2469-9969
publication_status: published
status: public
title: Higher-order contributions and nonperturbative effects in the nondegenerate
  nonlinear optical absorption of semiconductors using a two-band model
type: journal_article
user_id: '16199'
volume: 99
year: '2019'
...
---
_id: '13365'
abstract:
- lang: eng
  text: 'The KTiOPO4 (KTP) band structure and dielectric function are calculated on
    various levels of theory starting from density-functional calculations. Within
    the independent-particle approximation an electronic transport gap of 2.97 eV
    is obtained that widens to about 5.23 eV when quasiparticle effects are included
    using the GW approximation. The optical response is shown to be strongly anisotropic
    due to (i) the slight asymmetry of the TiO6 octahedra in the (001) plane and (ii)
    their anisotropic distribution along the [001] and [100] directions. In addition,
    excitonic effects are very important: The solution of the Bethe–Salpeter equation
    indicates exciton binding energies of the order of 1.5 eV. Calculations that include
    both quasiparticle and excitonic effects are in good agreement with the measured
    reflectivity.'
article_type: original
author:
- first_name: Sergej
  full_name: Neufeld, Sergej
  id: '23261'
  last_name: Neufeld
- first_name: Adriana
  full_name: Bocchini, Adriana
  id: '58349'
  last_name: Bocchini
  orcid: https://orcid.org/0000-0002-2134-3075
- first_name: Uwe
  full_name: Gerstmann, Uwe
  id: '171'
  last_name: Gerstmann
  orcid: 0000-0002-4476-223X
- first_name: Arno
  full_name: Schindlmayr, Arno
  id: '458'
  last_name: Schindlmayr
  orcid: 0000-0002-4855-071X
- first_name: Wolf Gero
  full_name: Schmidt, Wolf Gero
  id: '468'
  last_name: Schmidt
  orcid: 0000-0002-2717-5076
citation:
  ama: 'Neufeld S, Bocchini A, Gerstmann U, Schindlmayr A, Schmidt WG. Potassium titanyl
    phosphate (KTP) quasiparticle energies and optical response. <i>Journal of Physics:
    Materials</i>. 2019;2:045003. doi:<a href="https://doi.org/10.1088/2515-7639/ab29ba">10.1088/2515-7639/ab29ba</a>'
  apa: 'Neufeld, S., Bocchini, A., Gerstmann, U., Schindlmayr, A., &#38; Schmidt,
    W. G. (2019). Potassium titanyl phosphate (KTP) quasiparticle energies and optical
    response. <i>Journal of Physics: Materials</i>, <i>2</i>, 045003. <a href="https://doi.org/10.1088/2515-7639/ab29ba">https://doi.org/10.1088/2515-7639/ab29ba</a>'
  bibtex: '@article{Neufeld_Bocchini_Gerstmann_Schindlmayr_Schmidt_2019, title={Potassium
    titanyl phosphate (KTP) quasiparticle energies and optical response}, volume={2},
    DOI={<a href="https://doi.org/10.1088/2515-7639/ab29ba">10.1088/2515-7639/ab29ba</a>},
    journal={Journal of Physics: Materials}, publisher={IOP Publishing}, author={Neufeld,
    Sergej and Bocchini, Adriana and Gerstmann, Uwe and Schindlmayr, Arno and Schmidt,
    Wolf Gero}, year={2019}, pages={045003} }'
  chicago: 'Neufeld, Sergej, Adriana Bocchini, Uwe Gerstmann, Arno Schindlmayr, and
    Wolf Gero Schmidt. “Potassium Titanyl Phosphate (KTP) Quasiparticle Energies and
    Optical Response.” <i>Journal of Physics: Materials</i> 2 (2019): 045003. <a href="https://doi.org/10.1088/2515-7639/ab29ba">https://doi.org/10.1088/2515-7639/ab29ba</a>.'
  ieee: 'S. Neufeld, A. Bocchini, U. Gerstmann, A. Schindlmayr, and W. G. Schmidt,
    “Potassium titanyl phosphate (KTP) quasiparticle energies and optical response,”
    <i>Journal of Physics: Materials</i>, vol. 2, p. 045003, 2019, doi: <a href="https://doi.org/10.1088/2515-7639/ab29ba">10.1088/2515-7639/ab29ba</a>.'
  mla: 'Neufeld, Sergej, et al. “Potassium Titanyl Phosphate (KTP) Quasiparticle Energies
    and Optical Response.” <i>Journal of Physics: Materials</i>, vol. 2, IOP Publishing,
    2019, p. 045003, doi:<a href="https://doi.org/10.1088/2515-7639/ab29ba">10.1088/2515-7639/ab29ba</a>.'
  short: 'S. Neufeld, A. Bocchini, U. Gerstmann, A. Schindlmayr, W.G. Schmidt, Journal
    of Physics: Materials 2 (2019) 045003.'
date_created: 2019-09-19T14:34:16Z
date_updated: 2023-04-21T11:36:12Z
ddc:
- '530'
department:
- _id: '296'
- _id: '295'
- _id: '230'
- _id: '429'
- _id: '170'
- _id: '35'
doi: 10.1088/2515-7639/ab29ba
external_id:
  isi:
  - '000560410300003'
file:
- access_level: open_access
  content_type: application/pdf
  creator: schindlm
  date_created: 2020-08-28T09:07:18Z
  date_updated: 2020-08-30T14:29:27Z
  description: Creative Commons Attribution 3.0 Unported Public License (CC BY 3.0)
  file_id: '18535'
  file_name: Neufeld_2019_J._Phys._Mater._2_045003.pdf
  file_size: 1481174
  relation: main_file
  title: Potassium titanyl phosphate (KTP) quasiparticle energies and optical response
file_date_updated: 2020-08-30T14:29:27Z
has_accepted_license: '1'
intvolume: '         2'
isi: '1'
language:
- iso: eng
license: https://creativecommons.org/licenses/by/3.0/
oa: '1'
page: '045003'
project:
- _id: '52'
  name: Computing Resources Provided by the Paderborn Center for Parallel Computing
- _id: '53'
  name: TRR 142
- _id: '55'
  name: TRR 142 - Project Area B
- _id: '69'
  name: TRR 142 - Subproject B4
- _id: '52'
  name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
publication: 'Journal of Physics: Materials'
publication_identifier:
  eissn:
  - 2515-7639
publication_status: published
publisher: IOP Publishing
quality_controlled: '1'
status: public
title: Potassium titanyl phosphate (KTP) quasiparticle energies and optical response
type: journal_article
user_id: '171'
volume: 2
year: '2019'
...
---
_id: '22887'
author:
- first_name: J.
  full_name: Vondran, J.
  last_name: Vondran
- first_name: F.
  full_name: Spitzer, F.
  last_name: Spitzer
- first_name: M.
  full_name: Bayer, M.
  last_name: Bayer
- first_name: I. A.
  full_name: Akimov, I. A.
  last_name: Akimov
- first_name: Alexander
  full_name: Trautmann, Alexander
  id: '38163'
  last_name: Trautmann
- first_name: Matthias
  full_name: Reichelt, Matthias
  id: '138'
  last_name: Reichelt
- first_name: Cedrik
  full_name: Meier, Cedrik
  id: '20798'
  last_name: Meier
  orcid: https://orcid.org/0000-0002-3787-3572
- first_name: N.
  full_name: Weber, N.
  last_name: Weber
- first_name: Torsten
  full_name: Meier, Torsten
  id: '344'
  last_name: Meier
  orcid: 0000-0001-8864-2072
- first_name: R.
  full_name: André, R.
  last_name: André
- first_name: H.
  full_name: Mariette, H.
  last_name: Mariette
citation:
  ama: Vondran J, Spitzer F, Bayer M, et al. Spatially asymmetric transients of propagating
    exciton-polariton modes in a planar CdZnTe/CdMgTe guiding structure. <i>Physical
    Review B</i>. 2019;100(15):155308. doi:<a href="https://doi.org/10.1103/physrevb.100.155308">10.1103/physrevb.100.155308</a>
  apa: Vondran, J., Spitzer, F., Bayer, M., Akimov, I. A., Trautmann, A., Reichelt,
    M., Meier, C., Weber, N., Meier, T., André, R., &#38; Mariette, H. (2019). Spatially
    asymmetric transients of propagating exciton-polariton modes in a planar CdZnTe/CdMgTe
    guiding structure. <i>Physical Review B</i>, <i>100</i>(15), 155308. <a href="https://doi.org/10.1103/physrevb.100.155308">https://doi.org/10.1103/physrevb.100.155308</a>
  bibtex: '@article{Vondran_Spitzer_Bayer_Akimov_Trautmann_Reichelt_Meier_Weber_Meier_André_et
    al._2019, title={Spatially asymmetric transients of propagating exciton-polariton
    modes in a planar CdZnTe/CdMgTe guiding structure}, volume={100}, DOI={<a href="https://doi.org/10.1103/physrevb.100.155308">10.1103/physrevb.100.155308</a>},
    number={15}, journal={Physical Review B}, author={Vondran, J. and Spitzer, F.
    and Bayer, M. and Akimov, I. A. and Trautmann, Alexander and Reichelt, Matthias
    and Meier, Cedrik and Weber, N. and Meier, Torsten and André, R. and et al.},
    year={2019}, pages={155308} }'
  chicago: 'Vondran, J., F. Spitzer, M. Bayer, I. A. Akimov, Alexander Trautmann,
    Matthias Reichelt, Cedrik Meier, et al. “Spatially Asymmetric Transients of Propagating
    Exciton-Polariton Modes in a Planar CdZnTe/CdMgTe Guiding Structure.” <i>Physical
    Review B</i> 100, no. 15 (2019): 155308. <a href="https://doi.org/10.1103/physrevb.100.155308">https://doi.org/10.1103/physrevb.100.155308</a>.'
  ieee: 'J. Vondran <i>et al.</i>, “Spatially asymmetric transients of propagating
    exciton-polariton modes in a planar CdZnTe/CdMgTe guiding structure,” <i>Physical
    Review B</i>, vol. 100, no. 15, p. 155308, 2019, doi: <a href="https://doi.org/10.1103/physrevb.100.155308">10.1103/physrevb.100.155308</a>.'
  mla: Vondran, J., et al. “Spatially Asymmetric Transients of Propagating Exciton-Polariton
    Modes in a Planar CdZnTe/CdMgTe Guiding Structure.” <i>Physical Review B</i>,
    vol. 100, no. 15, 2019, p. 155308, doi:<a href="https://doi.org/10.1103/physrevb.100.155308">10.1103/physrevb.100.155308</a>.
  short: J. Vondran, F. Spitzer, M. Bayer, I.A. Akimov, A. Trautmann, M. Reichelt,
    C. Meier, N. Weber, T. Meier, R. André, H. Mariette, Physical Review B 100 (2019)
    155308.
date_created: 2021-07-29T08:13:23Z
date_updated: 2023-04-21T11:30:46Z
department:
- _id: '15'
- _id: '170'
- _id: '293'
- _id: '429'
- _id: '230'
- _id: '35'
doi: 10.1103/physrevb.100.155308
intvolume: '       100'
issue: '15'
language:
- iso: eng
page: '155308'
project:
- _id: '53'
  name: TRR 142
- _id: '54'
  name: TRR 142 - Project Area A
- _id: '56'
  name: TRR 142 - Project Area C
- _id: '55'
  name: TRR 142 - Project Area B
- _id: '59'
  name: TRR 142 - Subproject A2
- _id: '67'
  name: TRR 142 - Subproject B2
- _id: '68'
  name: TRR 142 - Subproject B3
- _id: '62'
  name: TRR 142 - Subproject A5
- _id: '71'
  name: TRR 142 - Subproject C1
publication: Physical Review B
publication_identifier:
  issn:
  - 2469-9950
  - 2469-9969
publication_status: published
status: public
title: Spatially asymmetric transients of propagating exciton-polariton modes in a
  planar CdZnTe/CdMgTe guiding structure
type: journal_article
user_id: '16199'
volume: 100
year: '2019'
...
