---
_id: '54853'
abstract:
- lang: eng
text: The nitrogen-vacancy (NV) centers (NCVSi)− in 4H silicon carbide (SiC)
constitute an ensemble of spin S = 1 solid state qubits interacting with the surrounding
14N and 29Si nuclei. As quantum applications based on a polarization transfer
from the electron spin to the nuclei require the knowledge of the electron–nuclear
interaction parameters, we have used high-frequency (94 GHz) electron–nuclear
double resonance spectroscopy combined with first-principles density functional
theory to investigate the hyperfine and nuclear quadrupole interactions of the
basal and axial NV centers. We observed that the four inequivalent NV configurations
(hk, kh, hh, and kk) exhibit different electron–nuclear interaction parameters,
suggesting that each NV center may act as a separate optically addressable qubit.
Finally, we rationalized the observed differences in terms of distinctions in
the local atomic structures of the NV configurations. Thus, our results provide
the basic knowledge for an extension of quantum protocols involving the 14N nuclear
spin.
author:
- first_name: F. F.
full_name: Murzakhanov, F. F.
last_name: Murzakhanov
- first_name: M. A.
full_name: Sadovnikova, M. A.
last_name: Sadovnikova
- first_name: G. V.
full_name: Mamin, G. V.
last_name: Mamin
- first_name: S. S.
full_name: Nagalyuk, S. S.
last_name: Nagalyuk
- first_name: H. J.
full_name: von Bardeleben, H. J.
last_name: von Bardeleben
- first_name: Wolf Gero
full_name: Schmidt, Wolf Gero
id: '468'
last_name: Schmidt
orcid: 0000-0002-2717-5076
- first_name: Timur
full_name: Biktagirov, Timur
id: '65612'
last_name: Biktagirov
- first_name: Uwe
full_name: Gerstmann, Uwe
id: '171'
last_name: Gerstmann
orcid: 0000-0002-4476-223X
- first_name: V. A.
full_name: Soltamov, V. A.
last_name: Soltamov
citation:
ama: 'Murzakhanov FF, Sadovnikova MA, Mamin GV, et al. 14N Hyperfine and nuclear
interactions of axial and basal NV centers in 4H-SiC: A high frequency (94 GHz)
ENDOR study. Journal of Applied Physics. 2023;134(12). doi:10.1063/5.0170099'
apa: 'Murzakhanov, F. F., Sadovnikova, M. A., Mamin, G. V., Nagalyuk, S. S., von
Bardeleben, H. J., Schmidt, W. G., Biktagirov, T., Gerstmann, U., & Soltamov,
V. A. (2023). 14N Hyperfine and nuclear interactions of axial and basal NV centers
in 4H-SiC: A high frequency (94 GHz) ENDOR study. Journal of Applied Physics,
134(12). https://doi.org/10.1063/5.0170099'
bibtex: '@article{Murzakhanov_Sadovnikova_Mamin_Nagalyuk_von Bardeleben_Schmidt_Biktagirov_Gerstmann_Soltamov_2023,
title={14N Hyperfine and nuclear interactions of axial and basal NV centers in
4H-SiC: A high frequency (94 GHz) ENDOR study}, volume={134}, DOI={10.1063/5.0170099},
number={12}, journal={Journal of Applied Physics}, publisher={AIP Publishing},
author={Murzakhanov, F. F. and Sadovnikova, M. A. and Mamin, G. V. and Nagalyuk,
S. S. and von Bardeleben, H. J. and Schmidt, Wolf Gero and Biktagirov, Timur and
Gerstmann, Uwe and Soltamov, V. A.}, year={2023} }'
chicago: 'Murzakhanov, F. F., M. A. Sadovnikova, G. V. Mamin, S. S. Nagalyuk, H.
J. von Bardeleben, Wolf Gero Schmidt, Timur Biktagirov, Uwe Gerstmann, and V.
A. Soltamov. “14N Hyperfine and Nuclear Interactions of Axial and Basal NV Centers
in 4H-SiC: A High Frequency (94 GHz) ENDOR Study.” Journal of Applied Physics
134, no. 12 (2023). https://doi.org/10.1063/5.0170099.'
ieee: 'F. F. Murzakhanov et al., “14N Hyperfine and nuclear interactions
of axial and basal NV centers in 4H-SiC: A high frequency (94 GHz) ENDOR study,”
Journal of Applied Physics, vol. 134, no. 12, 2023, doi: 10.1063/5.0170099.'
mla: 'Murzakhanov, F. F., et al. “14N Hyperfine and Nuclear Interactions of Axial
and Basal NV Centers in 4H-SiC: A High Frequency (94 GHz) ENDOR Study.” Journal
of Applied Physics, vol. 134, no. 12, AIP Publishing, 2023, doi:10.1063/5.0170099.'
short: F.F. Murzakhanov, M.A. Sadovnikova, G.V. Mamin, S.S. Nagalyuk, H.J. von Bardeleben,
W.G. Schmidt, T. Biktagirov, U. Gerstmann, V.A. Soltamov, Journal of Applied Physics
134 (2023).
date_created: 2024-06-24T06:18:17Z
date_updated: 2024-06-24T06:30:19Z
department:
- _id: '15'
- _id: '170'
- _id: '295'
- _id: '790'
- _id: '27'
- _id: '230'
doi: 10.1063/5.0170099
intvolume: ' 134'
issue: '12'
language:
- iso: eng
project:
- _id: '52'
name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
publication: Journal of Applied Physics
publication_identifier:
issn:
- 0021-8979
- 1089-7550
publication_status: published
publisher: AIP Publishing
status: public
title: '14N Hyperfine and nuclear interactions of axial and basal NV centers in 4H-SiC:
A high frequency (94 GHz) ENDOR study'
type: journal_article
user_id: '16199'
volume: 134
year: '2023'
...
---
_id: '54851'
abstract:
- lang: eng
text: Composites of different graphene oxide types, TiO2
materials, and especially synthetic routes influence the photocatalytic activity
of the resulting material.
author:
- first_name: Marta
full_name: Rosenthal, Marta
last_name: Rosenthal
- first_name: Timur
full_name: Biktagirov, Timur
id: '65612'
last_name: Biktagirov
- first_name: Wolf Gero
full_name: Schmidt, Wolf Gero
id: '468'
last_name: Schmidt
orcid: 0000-0002-2717-5076
- first_name: René
full_name: Wilhelm, René
last_name: Wilhelm
citation:
ama: Rosenthal M, Biktagirov T, Schmidt WG, Wilhelm R. Synthesis of new graphene
oxide/TiO2 and TiO2/SiO2 nanocomposites and their
evaluation as photocatalysts. Catalysis Science & Technology. 2023;13(15):4367-4377.
doi:10.1039/d3cy00461a
apa: Rosenthal, M., Biktagirov, T., Schmidt, W. G., & Wilhelm, R. (2023). Synthesis
of new graphene oxide/TiO2 and TiO2/SiO2 nanocomposites
and their evaluation as photocatalysts. Catalysis Science & Technology,
13(15), 4367–4377. https://doi.org/10.1039/d3cy00461a
bibtex: '@article{Rosenthal_Biktagirov_Schmidt_Wilhelm_2023, title={Synthesis of
new graphene oxide/TiO2 and TiO2/SiO2 nanocomposites
and their evaluation as photocatalysts}, volume={13}, DOI={10.1039/d3cy00461a},
number={15}, journal={Catalysis Science & Technology}, publisher={Royal
Society of Chemistry (RSC)}, author={Rosenthal, Marta and Biktagirov, Timur and
Schmidt, Wolf Gero and Wilhelm, René}, year={2023}, pages={4367–4377} }'
chicago: 'Rosenthal, Marta, Timur Biktagirov, Wolf Gero Schmidt, and René Wilhelm.
“Synthesis of New Graphene Oxide/TiO2 and TiO2/SiO2
Nanocomposites and Their Evaluation as Photocatalysts.” Catalysis Science &
Technology 13, no. 15 (2023): 4367–77. https://doi.org/10.1039/d3cy00461a.'
ieee: 'M. Rosenthal, T. Biktagirov, W. G. Schmidt, and R. Wilhelm, “Synthesis of
new graphene oxide/TiO2 and TiO2/SiO2 nanocomposites
and their evaluation as photocatalysts,” Catalysis Science & Technology,
vol. 13, no. 15, pp. 4367–4377, 2023, doi: 10.1039/d3cy00461a.'
mla: Rosenthal, Marta, et al. “Synthesis of New Graphene Oxide/TiO2 and
TiO2/SiO2 Nanocomposites and Their Evaluation as Photocatalysts.”
Catalysis Science & Technology, vol. 13, no. 15, Royal Society
of Chemistry (RSC), 2023, pp. 4367–77, doi:10.1039/d3cy00461a.
short: M. Rosenthal, T. Biktagirov, W.G. Schmidt, R. Wilhelm, Catalysis Science
& Technology 13 (2023) 4367–4377.
date_created: 2024-06-24T06:12:50Z
date_updated: 2024-06-24T06:30:04Z
department:
- _id: '15'
- _id: '170'
- _id: '295'
- _id: '27'
- _id: '230'
doi: 10.1039/d3cy00461a
intvolume: ' 13'
issue: '15'
language:
- iso: eng
page: 4367-4377
project:
- _id: '52'
name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
publication: Catalysis Science & Technology
publication_identifier:
issn:
- 2044-4753
- 2044-4761
publication_status: published
publisher: Royal Society of Chemistry (RSC)
status: public
title: Synthesis of new graphene oxide/TiO2 and TiO2/SiO2
nanocomposites and their evaluation as photocatalysts
type: journal_article
user_id: '16199'
volume: 13
year: '2023'
...
---
_id: '54850'
author:
- first_name: Lukas
full_name: Meier, Lukas
last_name: Meier
- first_name: Wolf Gero
full_name: Schmidt, Wolf Gero
id: '468'
last_name: Schmidt
orcid: 0000-0002-2717-5076
citation:
ama: 'Meier L, Schmidt WG. Adsorption of Cyclic (Alkyl) (Amino) Carbenes on Monohydride
Si(001) Surfaces: Interface Bonding and Electronic Properties. The Journal
of Physical Chemistry C. 2023;127(4):1973-1980. doi:10.1021/acs.jpcc.2c07316'
apa: 'Meier, L., & Schmidt, W. G. (2023). Adsorption of Cyclic (Alkyl) (Amino)
Carbenes on Monohydride Si(001) Surfaces: Interface Bonding and Electronic Properties.
The Journal of Physical Chemistry C, 127(4), 1973–1980. https://doi.org/10.1021/acs.jpcc.2c07316'
bibtex: '@article{Meier_Schmidt_2023, title={Adsorption of Cyclic (Alkyl) (Amino)
Carbenes on Monohydride Si(001) Surfaces: Interface Bonding and Electronic Properties},
volume={127}, DOI={10.1021/acs.jpcc.2c07316},
number={4}, journal={The Journal of Physical Chemistry C}, publisher={American
Chemical Society (ACS)}, author={Meier, Lukas and Schmidt, Wolf Gero}, year={2023},
pages={1973–1980} }'
chicago: 'Meier, Lukas, and Wolf Gero Schmidt. “Adsorption of Cyclic (Alkyl) (Amino)
Carbenes on Monohydride Si(001) Surfaces: Interface Bonding and Electronic Properties.”
The Journal of Physical Chemistry C 127, no. 4 (2023): 1973–80. https://doi.org/10.1021/acs.jpcc.2c07316.'
ieee: 'L. Meier and W. G. Schmidt, “Adsorption of Cyclic (Alkyl) (Amino) Carbenes
on Monohydride Si(001) Surfaces: Interface Bonding and Electronic Properties,”
The Journal of Physical Chemistry C, vol. 127, no. 4, pp. 1973–1980, 2023,
doi: 10.1021/acs.jpcc.2c07316.'
mla: 'Meier, Lukas, and Wolf Gero Schmidt. “Adsorption of Cyclic (Alkyl) (Amino)
Carbenes on Monohydride Si(001) Surfaces: Interface Bonding and Electronic Properties.”
The Journal of Physical Chemistry C, vol. 127, no. 4, American Chemical
Society (ACS), 2023, pp. 1973–80, doi:10.1021/acs.jpcc.2c07316.'
short: L. Meier, W.G. Schmidt, The Journal of Physical Chemistry C 127 (2023) 1973–1980.
date_created: 2024-06-24T06:10:39Z
date_updated: 2024-06-24T06:30:35Z
department:
- _id: '15'
- _id: '170'
- _id: '295'
- _id: '27'
- _id: '230'
doi: 10.1021/acs.jpcc.2c07316
intvolume: ' 127'
issue: '4'
language:
- iso: eng
page: 1973-1980
project:
- _id: '52'
name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
publication: The Journal of Physical Chemistry C
publication_identifier:
issn:
- 1932-7447
- 1932-7455
publication_status: published
publisher: American Chemical Society (ACS)
status: public
title: 'Adsorption of Cyclic (Alkyl) (Amino) Carbenes on Monohydride Si(001) Surfaces:
Interface Bonding and Electronic Properties'
type: journal_article
user_id: '16199'
volume: 127
year: '2023'
...
---
_id: '50012'
abstract:
- lang: eng
text: Silicon photonics, in conjunction with complementary metal-oxide-semiconductor
(CMOS) fabrication, has greatly enhanced the development of integrated optical
phased arrays. This facilitates a dynamic control of light in a compact form factor
that enables the synthesis of arbitrary complex wavefronts in the infrared spectrum.
We numerically demonstrate a large-scale two-dimensional silicon-based optical
phased array (OPA) composed of nanoantennas with circular gratings that are balanced
in power and aligned in phase, required for producing elegant radiation patterns
in the far-field. For a wavelength of 1.55 μm, we optimize two antennas for the
OPA exhibiting an upward radiation efficiency as high as 90%, with almost 6.8%
of optical power concentrated in the field of view. Additionally, we believe that
the proposed OPAs can be easily fabricated and would have the ability to generate
complex holographic images, rendering them an attractive candidate for a wide
range of applications like LiDAR sensors, optical trapping, optogenetic stimulation,
and augmented-reality displays.
author:
- first_name: Henna
full_name: Farheen, Henna
id: '53444'
last_name: Farheen
orcid: 0000-0001-7730-3489
- first_name: Andreas
full_name: Strauch, Andreas
last_name: Strauch
- first_name: J. Christoph
full_name: Scheytt, J. Christoph
id: '37144'
last_name: Scheytt
orcid: '0000-0002-5950-6618 '
- first_name: Viktor
full_name: Myroshnychenko, Viktor
id: '46371'
last_name: Myroshnychenko
- first_name: Jens
full_name: Förstner, Jens
id: '158'
last_name: Förstner
orcid: 0000-0001-7059-9862
citation:
ama: Farheen H, Strauch A, Scheytt JC, Myroshnychenko V, Förstner J. Optimized,
Highly Efficient Silicon Antennas for Optical Phased Arrays. Photonics and
Nanostructures - Fundamentals and Applications. 2023;58:101207. doi:10.1016/j.photonics.2023.101207
apa: Farheen, H., Strauch, A., Scheytt, J. C., Myroshnychenko, V., & Förstner,
J. (2023). Optimized, Highly Efficient Silicon Antennas for Optical Phased Arrays.
Photonics and Nanostructures - Fundamentals and Applications, 58,
101207. https://doi.org/10.1016/j.photonics.2023.101207
bibtex: '@article{Farheen_Strauch_Scheytt_Myroshnychenko_Förstner_2023, title={Optimized,
Highly Efficient Silicon Antennas for Optical Phased Arrays}, volume={58}, DOI={10.1016/j.photonics.2023.101207},
journal={Photonics and Nanostructures - Fundamentals and Applications}, publisher={Elsevier
BV}, author={Farheen, Henna and Strauch, Andreas and Scheytt, J. Christoph and
Myroshnychenko, Viktor and Förstner, Jens}, year={2023}, pages={101207} }'
chicago: 'Farheen, Henna, Andreas Strauch, J. Christoph Scheytt, Viktor Myroshnychenko,
and Jens Förstner. “Optimized, Highly Efficient Silicon Antennas for Optical Phased
Arrays.” Photonics and Nanostructures - Fundamentals and Applications 58
(2023): 101207. https://doi.org/10.1016/j.photonics.2023.101207.'
ieee: 'H. Farheen, A. Strauch, J. C. Scheytt, V. Myroshnychenko, and J. Förstner,
“Optimized, Highly Efficient Silicon Antennas for Optical Phased Arrays,” Photonics
and Nanostructures - Fundamentals and Applications, vol. 58, p. 101207, 2023,
doi: 10.1016/j.photonics.2023.101207.'
mla: Farheen, Henna, et al. “Optimized, Highly Efficient Silicon Antennas for Optical
Phased Arrays.” Photonics and Nanostructures - Fundamentals and Applications,
vol. 58, Elsevier BV, 2023, p. 101207, doi:10.1016/j.photonics.2023.101207.
short: H. Farheen, A. Strauch, J.C. Scheytt, V. Myroshnychenko, J. Förstner, Photonics
and Nanostructures - Fundamentals and Applications 58 (2023) 101207.
date_created: 2023-12-21T09:30:03Z
date_updated: 2024-07-22T07:44:33Z
ddc:
- '530'
department:
- _id: '61'
- _id: '230'
- _id: '429'
- _id: '58'
doi: 10.1016/j.photonics.2023.101207
file:
- access_level: open_access
content_type: application/pdf
creator: fossie
date_created: 2023-12-21T09:34:17Z
date_updated: 2023-12-21T09:34:17Z
file_id: '50013'
file_name: 2ß23-12 Farheen - PNFA - Optimized, highly efficient silicon antennas
for optical phased arrays.pdf
file_size: 3339442
relation: main_file
file_date_updated: 2023-12-21T09:34:17Z
has_accepted_license: '1'
intvolume: ' 58'
keyword:
- tet_topic_opticalantenna
language:
- iso: eng
oa: '1'
page: '101207'
project:
- _id: '266'
grant_number: PROFILNRW-2020-067
name: 'PhoQC: PhoQC: Photonisches Quantencomputing'
- _id: '167'
grant_number: '231447078'
name: 'TRR 142 - B06: TRR 142 - Ultraschnelle kohärente opto-elektronische Kontrolle
eines photonischen Quantensystems (B06*)'
- _id: '55'
name: 'TRR 142 - B: TRR 142 - Project Area B'
- _id: '52'
name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
publication: Photonics and Nanostructures - Fundamentals and Applications
publication_identifier:
issn:
- 1569-4410
publication_status: published
publisher: Elsevier BV
related_material:
link:
- relation: research_data
url: https://doi.org/10.5281/zenodo.10044122
status: public
title: Optimized, Highly Efficient Silicon Antennas for Optical Phased Arrays
type: journal_article
user_id: '158'
volume: 58
year: '2023'
...
---
_id: '50466'
abstract:
- lang: eng
text: A key challenge in designing efficient optical phased arrays is the lack of
a well-designed radiator. This work explores horn antennas numerically optimized
to target high upward radiation efficiency to be employed in silicon-based phased
arrays capable of producing elegant radiation patterns in the far-field.
author:
- first_name: Henna
full_name: Farheen, Henna
id: '53444'
last_name: Farheen
orcid: 0000-0001-7730-3489
- first_name: S.
full_name: Joshi, S.
last_name: Joshi
- first_name: J. Christoph
full_name: Scheytt, J. Christoph
id: '37144'
last_name: Scheytt
orcid: '0000-0002-5950-6618 '
- first_name: Viktor
full_name: Myroshnychenko, Viktor
id: '46371'
last_name: Myroshnychenko
- first_name: Jens
full_name: Förstner, Jens
id: '158'
last_name: Förstner
orcid: 0000-0001-7059-9862
citation:
ama: 'Farheen H, Joshi S, Scheytt JC, Myroshnychenko V, Förstner J. Increasing the
upward radiation efficiency of optical phased arrays using asymmetric silicon
horn antennas. In: 2023 IEEE Photonics Conference (IPC). IEEE; 2023. doi:10.1109/ipc57732.2023.10360519'
apa: Farheen, H., Joshi, S., Scheytt, J. C., Myroshnychenko, V., & Förstner,
J. (2023). Increasing the upward radiation efficiency of optical phased arrays
using asymmetric silicon horn antennas. 2023 IEEE Photonics Conference (IPC).
https://doi.org/10.1109/ipc57732.2023.10360519
bibtex: '@inproceedings{Farheen_Joshi_Scheytt_Myroshnychenko_Förstner_2023, title={Increasing
the upward radiation efficiency of optical phased arrays using asymmetric silicon
horn antennas}, DOI={10.1109/ipc57732.2023.10360519},
booktitle={2023 IEEE Photonics Conference (IPC)}, publisher={IEEE}, author={Farheen,
Henna and Joshi, S. and Scheytt, J. Christoph and Myroshnychenko, Viktor and Förstner,
Jens}, year={2023} }'
chicago: Farheen, Henna, S. Joshi, J. Christoph Scheytt, Viktor Myroshnychenko,
and Jens Förstner. “Increasing the Upward Radiation Efficiency of Optical Phased
Arrays Using Asymmetric Silicon Horn Antennas.” In 2023 IEEE Photonics Conference
(IPC). IEEE, 2023. https://doi.org/10.1109/ipc57732.2023.10360519.
ieee: 'H. Farheen, S. Joshi, J. C. Scheytt, V. Myroshnychenko, and J. Förstner,
“Increasing the upward radiation efficiency of optical phased arrays using asymmetric
silicon horn antennas,” 2023, doi: 10.1109/ipc57732.2023.10360519.'
mla: Farheen, Henna, et al. “Increasing the Upward Radiation Efficiency of Optical
Phased Arrays Using Asymmetric Silicon Horn Antennas.” 2023 IEEE Photonics
Conference (IPC), IEEE, 2023, doi:10.1109/ipc57732.2023.10360519.
short: 'H. Farheen, S. Joshi, J.C. Scheytt, V. Myroshnychenko, J. Förstner, in:
2023 IEEE Photonics Conference (IPC), IEEE, 2023.'
date_created: 2024-01-12T07:37:54Z
date_updated: 2024-07-22T07:48:53Z
department:
- _id: '61'
- _id: '230'
- _id: '429'
doi: 10.1109/ipc57732.2023.10360519
keyword:
- tet_topic_opticalantenna
language:
- iso: eng
project:
- _id: '266'
grant_number: PROFILNRW-2020-067
name: 'PhoQC: PhoQC: Photonisches Quantencomputing'
- _id: '167'
grant_number: '231447078'
name: 'TRR 142 - B06: TRR 142 - Ultraschnelle kohärente opto-elektronische Kontrolle
eines photonischen Quantensystems (B06*)'
- _id: '75'
grant_number: '231447078'
name: 'TRR 142 - C05: TRR 142 - Nichtlineare optische Oberflächen basierend auf
ZnO-plasmonischen Hybrid-Nanostrukturen (C05)'
- _id: '52'
name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
publication: 2023 IEEE Photonics Conference (IPC)
publication_status: published
publisher: IEEE
status: public
title: Increasing the upward radiation efficiency of optical phased arrays using asymmetric
silicon horn antennas
type: conference
user_id: '158'
year: '2023'
...
---
_id: '42163'
abstract:
- lang: eng
text: 'The article shows how to learn models of dynamical systems from data which
are governed by an unknown variational PDE. Rather than employing reduction techniques,
we learn a discrete field theory governed by a discrete Lagrangian density $L_d$
that is modelled as a neural network. Careful regularisation of the loss function
for training $L_d$ is necessary to obtain a field theory that is suitable for
numerical computations: we derive a regularisation term which optimises the solvability
of the discrete Euler--Lagrange equations. Secondly, we develop a method to find
solutions to machine learned discrete field theories which constitute travelling
waves of the underlying continuous PDE.'
author:
- first_name: Christian
full_name: Offen, Christian
id: '85279'
last_name: Offen
orcid: 0000-0002-5940-8057
- first_name: Sina
full_name: Ober-Blöbaum, Sina
id: '16494'
last_name: Ober-Blöbaum
citation:
ama: 'Offen C, Ober-Blöbaum S. Learning discrete Lagrangians for variational PDEs
from data and detection of travelling waves. In: Nielsen F, Barbaresco F, eds.
Geometric Science of Information. Vol 14071. Lecture Notes in Computer
Science (LNCS). Springer, Cham.; 2023:569-579. doi:10.1007/978-3-031-38271-0_57'
apa: Offen, C., & Ober-Blöbaum, S. (2023). Learning discrete Lagrangians for
variational PDEs from data and detection of travelling waves. In F. Nielsen &
F. Barbaresco (Eds.), Geometric Science of Information (Vol. 14071, pp.
569–579). Springer, Cham. https://doi.org/10.1007/978-3-031-38271-0_57
bibtex: '@inproceedings{Offen_Ober-Blöbaum_2023, series={Lecture Notes in Computer
Science (LNCS)}, title={Learning discrete Lagrangians for variational PDEs from
data and detection of travelling waves}, volume={14071}, DOI={10.1007/978-3-031-38271-0_57},
booktitle={Geometric Science of Information}, publisher={Springer, Cham.}, author={Offen,
Christian and Ober-Blöbaum, Sina}, editor={Nielsen, F and Barbaresco, F}, year={2023},
pages={569–579}, collection={Lecture Notes in Computer Science (LNCS)} }'
chicago: Offen, Christian, and Sina Ober-Blöbaum. “Learning Discrete Lagrangians
for Variational PDEs from Data and Detection of Travelling Waves.” In Geometric
Science of Information, edited by F Nielsen and F Barbaresco, 14071:569–79.
Lecture Notes in Computer Science (LNCS). Springer, Cham., 2023. https://doi.org/10.1007/978-3-031-38271-0_57.
ieee: 'C. Offen and S. Ober-Blöbaum, “Learning discrete Lagrangians for variational
PDEs from data and detection of travelling waves,” in Geometric Science of
Information, Saint-Malo, Palais du Grand Large, France, 2023, vol. 14071,
pp. 569–579, doi: 10.1007/978-3-031-38271-0_57.'
mla: Offen, Christian, and Sina Ober-Blöbaum. “Learning Discrete Lagrangians for
Variational PDEs from Data and Detection of Travelling Waves.” Geometric Science
of Information, edited by F Nielsen and F Barbaresco, vol. 14071, Springer,
Cham., 2023, pp. 569–79, doi:10.1007/978-3-031-38271-0_57.
short: 'C. Offen, S. Ober-Blöbaum, in: F. Nielsen, F. Barbaresco (Eds.), Geometric
Science of Information, Springer, Cham., 2023, pp. 569–579.'
conference:
end_date: 2023-09-01
location: Saint-Malo, Palais du Grand Large, France
name: ' GSI''23 6th International Conference on Geometric Science of Information'
start_date: 2023-08-30
date_created: 2023-02-16T11:32:48Z
date_updated: 2024-08-12T13:46:29Z
ddc:
- '510'
department:
- _id: '636'
doi: 10.1007/978-3-031-38271-0_57
editor:
- first_name: F
full_name: Nielsen, F
last_name: Nielsen
- first_name: F
full_name: Barbaresco, F
last_name: Barbaresco
external_id:
arxiv:
- '2302.08232 '
file:
- access_level: open_access
content_type: application/pdf
creator: coffen
date_created: 2023-08-02T12:04:17Z
date_updated: 2023-08-02T12:04:17Z
description: |-
The article shows how to learn models of dynamical systems
from data which are governed by an unknown variational PDE. Rather
than employing reduction techniques, we learn a discrete field theory
governed by a discrete Lagrangian density Ld that is modelled as a neural network. Careful regularisation of the loss function for training Ld is
necessary to obtain a field theory that is suitable for numerical computations: we derive a regularisation term which optimises the solvability of
the discrete Euler–Lagrange equations. Secondly, we develop a method to
find solutions to machine learned discrete field theories which constitute
travelling waves of the underlying continuous PDE.
file_id: '46273'
file_name: LDensityLearning.pdf
file_size: 1938962
relation: main_file
title: Learning discrete Lagrangians for variational PDEs from data and detection
of travelling waves
file_date_updated: 2023-08-02T12:04:17Z
has_accepted_license: '1'
intvolume: ' 14071'
keyword:
- System identification
- discrete Lagrangians
- travelling waves
language:
- iso: eng
oa: '1'
page: 569-579
project:
- _id: '52'
name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
publication: Geometric Science of Information
publication_identifier:
eisbn:
- 978-3-031-38271-0
publication_status: published
publisher: Springer, Cham.
quality_controlled: '1'
related_material:
link:
- description: GitHub
relation: software
url: https://github.com/Christian-Offen/LagrangianDensityML
series_title: Lecture Notes in Computer Science (LNCS)
status: public
title: Learning discrete Lagrangians for variational PDEs from data and detection
of travelling waves
type: conference
user_id: '85279'
volume: 14071
year: '2023'
...
---
_id: '43018'
article_number: '108557'
author:
- first_name: Samer
full_name: Alhaddad, Samer
id: '42456'
last_name: Alhaddad
- first_name: Jens
full_name: Förstner, Jens
id: '158'
last_name: Förstner
orcid: 0000-0001-7059-9862
- first_name: Yevgen
full_name: Grynko, Yevgen
id: '26059'
last_name: Grynko
citation:
ama: Alhaddad S, Förstner J, Grynko Y. Numerical study of light backscattering from
layers of absorbing irregular particles larger than the wavelength. Journal
of Quantitative Spectroscopy and Radiative Transfer. 2023;302. doi:10.1016/j.jqsrt.2023.108557
apa: Alhaddad, S., Förstner, J., & Grynko, Y. (2023). Numerical study of light
backscattering from layers of absorbing irregular particles larger than the wavelength.
Journal of Quantitative Spectroscopy and Radiative Transfer, 302,
Article 108557. https://doi.org/10.1016/j.jqsrt.2023.108557
bibtex: '@article{Alhaddad_Förstner_Grynko_2023, title={Numerical study of light
backscattering from layers of absorbing irregular particles larger than the wavelength},
volume={302}, DOI={10.1016/j.jqsrt.2023.108557},
number={108557}, journal={Journal of Quantitative Spectroscopy and Radiative Transfer},
publisher={Elsevier BV}, author={Alhaddad, Samer and Förstner, Jens and Grynko,
Yevgen}, year={2023} }'
chicago: Alhaddad, Samer, Jens Förstner, and Yevgen Grynko. “Numerical Study of
Light Backscattering from Layers of Absorbing Irregular Particles Larger than
the Wavelength.” Journal of Quantitative Spectroscopy and Radiative Transfer
302 (2023). https://doi.org/10.1016/j.jqsrt.2023.108557.
ieee: 'S. Alhaddad, J. Förstner, and Y. Grynko, “Numerical study of light backscattering
from layers of absorbing irregular particles larger than the wavelength,” Journal
of Quantitative Spectroscopy and Radiative Transfer, vol. 302, Art. no. 108557,
2023, doi: 10.1016/j.jqsrt.2023.108557.'
mla: Alhaddad, Samer, et al. “Numerical Study of Light Backscattering from Layers
of Absorbing Irregular Particles Larger than the Wavelength.” Journal of Quantitative
Spectroscopy and Radiative Transfer, vol. 302, 108557, Elsevier BV, 2023,
doi:10.1016/j.jqsrt.2023.108557.
short: S. Alhaddad, J. Förstner, Y. Grynko, Journal of Quantitative Spectroscopy
and Radiative Transfer 302 (2023).
date_created: 2023-03-14T12:32:54Z
date_updated: 2023-03-15T17:36:13Z
ddc:
- '530'
department:
- _id: '61'
doi: 10.1016/j.jqsrt.2023.108557
file:
- access_level: local
content_type: application/pdf
creator: fossie
date_created: 2023-03-15T15:58:15Z
date_updated: 2023-03-15T15:58:15Z
file_id: '43028'
file_name: 2023-03 Alhaddad - JQSRT - Numerical study of light backscattering from
layers of absorbing particles larger than the wavelength.pdf
file_size: 1508833
relation: main_file
- access_level: open_access
content_type: application/pdf
creator: fossie
date_created: 2023-03-15T17:35:29Z
date_updated: 2023-03-15T17:35:29Z
file_id: '43029'
file_name: 2023-03 Alhaddad - JQSRT - Numerical study of light backscattering from
layers of absorbing particles larger than the wavelength (accepted manuscript).pdf
file_size: 4254386
relation: main_file
file_date_updated: 2023-03-15T17:35:29Z
has_accepted_license: '1'
intvolume: ' 302'
keyword:
- tet_topic_scattering
language:
- iso: eng
oa: '1'
project:
- _id: '52'
name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
publication: Journal of Quantitative Spectroscopy and Radiative Transfer
publication_identifier:
issn:
- 0022-4073
publication_status: published
publisher: Elsevier BV
status: public
title: Numerical study of light backscattering from layers of absorbing irregular
particles larger than the wavelength
type: journal_article
user_id: '158'
volume: 302
year: '2023'
...
---
_id: '43229'
author:
- first_name: Leander
full_name: Claes, Leander
id: '11829'
last_name: Claes
orcid: 0000-0002-4393-268X
citation:
ama: 'Claes L. Bestimmung der Volumenviskosität mittels akustischer Absorptionsmessung.
In: Fortschritte Der Akustik - DAGA 2023. ; 2023:7-14.'
apa: Claes, L. (2023). Bestimmung der Volumenviskosität mittels akustischer Absorptionsmessung.
Fortschritte Der Akustik - DAGA 2023, 7–14.
bibtex: '@inproceedings{Claes_2023, title={Bestimmung der Volumenviskosität mittels
akustischer Absorptionsmessung}, booktitle={Fortschritte der Akustik - DAGA 2023},
author={Claes, Leander}, year={2023}, pages={7–14} }'
chicago: Claes, Leander. “Bestimmung Der Volumenviskosität Mittels Akustischer Absorptionsmessung.”
In Fortschritte Der Akustik - DAGA 2023, 7–14, 2023.
ieee: L. Claes, “Bestimmung der Volumenviskosität mittels akustischer Absorptionsmessung,”
in Fortschritte der Akustik - DAGA 2023, Hamburg, 2023, pp. 7–14.
mla: Claes, Leander. “Bestimmung Der Volumenviskosität Mittels Akustischer Absorptionsmessung.”
Fortschritte Der Akustik - DAGA 2023, 2023, pp. 7–14.
short: 'L. Claes, in: Fortschritte Der Akustik - DAGA 2023, 2023, pp. 7–14.'
conference:
end_date: 2023-03-09
location: Hamburg
name: DAGA 2023 - 49. Jahrestagung für Akustik
start_date: 2023-03-06
date_created: 2023-03-30T13:13:50Z
date_updated: 2023-04-19T09:17:30Z
department:
- _id: '49'
language:
- iso: eng
page: 7-14
project:
- _id: '52'
name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
publication: Fortschritte der Akustik - DAGA 2023
status: public
title: Bestimmung der Volumenviskosität mittels akustischer Absorptionsmessung
type: conference
user_id: '11829'
year: '2023'
...
---
_id: '37280'
article_number: '013703'
author:
- first_name: Hendrik
full_name: Rose, Hendrik
id: '55958'
last_name: Rose
orcid: 0000-0002-3079-5428
- first_name: A. N.
full_name: Vasil'ev, A. N.
last_name: Vasil'ev
- first_name: O. V.
full_name: Tikhonova, O. V.
last_name: Tikhonova
- first_name: Torsten
full_name: Meier, Torsten
id: '344'
last_name: Meier
orcid: 0000-0001-8864-2072
- first_name: Polina
full_name: Sharapova, Polina
id: '60286'
last_name: Sharapova
citation:
ama: Rose H, Vasil’ev AN, Tikhonova OV, Meier T, Sharapova P. Quantum-optical excitations
of semiconductor nanostructures in a microcavity using a two-band model and a
single-mode quantum field. Physical Review A. 2023;107(1). doi:10.1103/physreva.107.013703
apa: Rose, H., Vasil’ev, A. N., Tikhonova, O. V., Meier, T., & Sharapova, P.
(2023). Quantum-optical excitations of semiconductor nanostructures in a microcavity
using a two-band model and a single-mode quantum field. Physical Review A,
107(1), Article 013703. https://doi.org/10.1103/physreva.107.013703
bibtex: '@article{Rose_Vasil’ev_Tikhonova_Meier_Sharapova_2023, title={Quantum-optical
excitations of semiconductor nanostructures in a microcavity using a two-band
model and a single-mode quantum field}, volume={107}, DOI={10.1103/physreva.107.013703},
number={1013703}, journal={Physical Review A}, publisher={American Physical Society
(APS)}, author={Rose, Hendrik and Vasil’ev, A. N. and Tikhonova, O. V. and Meier,
Torsten and Sharapova, Polina}, year={2023} }'
chicago: Rose, Hendrik, A. N. Vasil’ev, O. V. Tikhonova, Torsten Meier, and Polina
Sharapova. “Quantum-Optical Excitations of Semiconductor Nanostructures in a Microcavity
Using a Two-Band Model and a Single-Mode Quantum Field.” Physical Review A
107, no. 1 (2023). https://doi.org/10.1103/physreva.107.013703.
ieee: 'H. Rose, A. N. Vasil’ev, O. V. Tikhonova, T. Meier, and P. Sharapova, “Quantum-optical
excitations of semiconductor nanostructures in a microcavity using a two-band
model and a single-mode quantum field,” Physical Review A, vol. 107, no.
1, Art. no. 013703, 2023, doi: 10.1103/physreva.107.013703.'
mla: Rose, Hendrik, et al. “Quantum-Optical Excitations of Semiconductor Nanostructures
in a Microcavity Using a Two-Band Model and a Single-Mode Quantum Field.” Physical
Review A, vol. 107, no. 1, 013703, American Physical Society (APS), 2023,
doi:10.1103/physreva.107.013703.
short: H. Rose, A.N. Vasil’ev, O.V. Tikhonova, T. Meier, P. Sharapova, Physical
Review A 107 (2023).
date_created: 2023-01-18T10:27:21Z
date_updated: 2023-04-21T11:06:33Z
department:
- _id: '15'
- _id: '569'
- _id: '170'
- _id: '293'
- _id: '230'
- _id: '623'
- _id: '35'
doi: 10.1103/physreva.107.013703
intvolume: ' 107'
issue: '1'
language:
- iso: eng
project:
- _id: '53'
name: 'TRR 142: TRR 142'
- _id: '54'
name: 'TRR 142 - A: TRR 142 - Project Area A'
- _id: '52'
name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
- _id: '59'
name: 'TRR 142 - A02: TRR 142 - Subproject A02'
publication: Physical Review A
publication_identifier:
issn:
- 2469-9926
- 2469-9934
publication_status: published
publisher: American Physical Society (APS)
status: public
title: Quantum-optical excitations of semiconductor nanostructures in a microcavity
using a two-band model and a single-mode quantum field
type: journal_article
user_id: '16199'
volume: 107
year: '2023'
...
---
_id: '43393'
author:
- first_name: Sören Antonius
full_name: Bernemann, Sören Antonius
id: '70108'
last_name: Bernemann
- first_name: Jan
full_name: Maćkowiak, Jan
last_name: Maćkowiak
- first_name: Jerzy
full_name: Maćkowiak, Jerzy
last_name: Maćkowiak
- first_name: Eugeny
full_name: Kenig, Eugeny
id: '665'
last_name: Kenig
citation:
ama: 'Bernemann SA, Maćkowiak J, Maćkowiak J, Kenig E. Computerunterstützte Strömungsuntersuchung
von landwirtschaftlichen Abfällen. In: ; 2023.'
apa: Bernemann, S. A., Maćkowiak, J., Maćkowiak, J., & Kenig, E. (2023). Computerunterstützte
Strömungsuntersuchung von landwirtschaftlichen Abfällen. Jahrestreffen Dechema-Fachgruppen
AT, GAS, MPH, PMT 2023 , Paderborn.
bibtex: '@inproceedings{Bernemann_Maćkowiak_Maćkowiak_Kenig_2023, title={Computerunterstützte
Strömungsuntersuchung von landwirtschaftlichen Abfällen}, author={Bernemann, Sören
Antonius and Maćkowiak, Jan and Maćkowiak, Jerzy and Kenig, Eugeny}, year={2023}
}'
chicago: Bernemann, Sören Antonius, Jan Maćkowiak, Jerzy Maćkowiak, and Eugeny Kenig.
“Computerunterstützte Strömungsuntersuchung von landwirtschaftlichen Abfällen,”
2023.
ieee: S. A. Bernemann, J. Maćkowiak, J. Maćkowiak, and E. Kenig, “Computerunterstützte
Strömungsuntersuchung von landwirtschaftlichen Abfällen,” presented at the Jahrestreffen
Dechema-Fachgruppen AT, GAS, MPH, PMT 2023 , Paderborn, 2023.
mla: Bernemann, Sören Antonius, et al. Computerunterstützte Strömungsuntersuchung
von landwirtschaftlichen Abfällen. 2023.
short: 'S.A. Bernemann, J. Maćkowiak, J. Maćkowiak, E. Kenig, in: 2023.'
conference:
end_date: 2023-03-30
location: Paderborn
name: 'Jahrestreffen Dechema-Fachgruppen AT, GAS, MPH, PMT 2023 '
start_date: 2023-03-29
date_created: 2023-04-04T10:41:53Z
date_updated: 2023-04-04T11:03:31Z
department:
- _id: '9'
- _id: '145'
language:
- iso: ger
project:
- _id: '52'
name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
status: public
title: Computerunterstützte Strömungsuntersuchung von landwirtschaftlichen Abfällen
type: conference
user_id: '70108'
year: '2023'
...
---
_id: '43111'
author:
- first_name: Christopher
full_name: Dechert, Christopher
id: '69828'
last_name: Dechert
- first_name: Augustin
full_name: Kengni Nkouemou, Augustin
last_name: Kengni Nkouemou
- first_name: Eugeny Y.
full_name: Kenig, Eugeny Y.
id: '665'
last_name: Kenig
citation:
ama: 'Dechert C, Kengni Nkouemou A, Kenig EY. Vergleichende Untersuchung der Wirkung
verschiedener Mikrostrukturen auf die Flüssigkeitsausbreitung. In: ; 2023.'
apa: Dechert, C., Kengni Nkouemou, A., & Kenig, E. Y. (2023). Vergleichende
Untersuchung der Wirkung verschiedener Mikrostrukturen auf die Flüssigkeitsausbreitung.
Jahrestreffen der Fachgruppen Fluidverfahrenstechnik und Adsorption, Frankfurt
am Main.
bibtex: '@inproceedings{Dechert_Kengni Nkouemou_Kenig_2023, title={Vergleichende
Untersuchung der Wirkung verschiedener Mikrostrukturen auf die Flüssigkeitsausbreitung},
author={Dechert, Christopher and Kengni Nkouemou, Augustin and Kenig, Eugeny Y.},
year={2023} }'
chicago: Dechert, Christopher, Augustin Kengni Nkouemou, and Eugeny Y. Kenig. “Vergleichende
Untersuchung Der Wirkung Verschiedener Mikrostrukturen Auf Die Flüssigkeitsausbreitung,”
2023.
ieee: C. Dechert, A. Kengni Nkouemou, and E. Y. Kenig, “Vergleichende Untersuchung
der Wirkung verschiedener Mikrostrukturen auf die Flüssigkeitsausbreitung,” presented
at the Jahrestreffen der Fachgruppen Fluidverfahrenstechnik und Adsorption, Frankfurt
am Main, 2023.
mla: Dechert, Christopher, et al. Vergleichende Untersuchung Der Wirkung Verschiedener
Mikrostrukturen Auf Die Flüssigkeitsausbreitung. 2023.
short: 'C. Dechert, A. Kengni Nkouemou, E.Y. Kenig, in: 2023.'
conference:
end_date: 2023-03-23
location: Frankfurt am Main
name: Jahrestreffen der Fachgruppen Fluidverfahrenstechnik und Adsorption
start_date: 2023-03-21
date_created: 2023-03-27T15:26:18Z
date_updated: 2023-04-19T11:41:08Z
department:
- _id: '9'
- _id: '145'
language:
- iso: eng
project:
- _id: '52'
name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
status: public
title: Vergleichende Untersuchung der Wirkung verschiedener Mikrostrukturen auf die
Flüssigkeitsausbreitung
type: conference_abstract
user_id: '665'
year: '2023'
...
---
_id: '45596'
abstract:
- lang: eng
text: Dielectric metasurfaces provide a unique platform for efficient harmonic generation
and optical wavefront manipulation at the nanoscale. Tailoring phase and amplitude
of a nonlinearly generated wave with a high emission efficiency using resonance-based
metasurfaces is a challenging task that often requires state-of-the-art numerical
methods. Here, we propose a simple yet effective approach combining a sampling
method with a Monte Carlo approach to design the third-harmonic wavefront generated
by all-dielectric metasurfaces composed of elliptical silicon nanodisks. Using
this approach, we theoretically demonstrate the full nonlinear 2π phase control
with a uniform and highest possible amplitude in the considered parameter space,
allowing us to design metasurfaces operating as third harmonic beam deflectors
capable of steering light into a desired direction with high emission efficiency.
The TH beam deflection with a record calculated average conversion efficiency
of 1.2 × 10–1 W–2 is achieved. We anticipate that the proposed approach will be
widely applied as alternative to commonly used optimization algorithms with higher
complexity and implementation effort for the design of metasurfaces with other
holographic functionalities.
author:
- first_name: David
full_name: Hähnel, David
last_name: Hähnel
- first_name: Jens
full_name: Förstner, Jens
id: '158'
last_name: Förstner
orcid: 0000-0001-7059-9862
- first_name: Viktor
full_name: Myroshnychenko, Viktor
id: '46371'
last_name: Myroshnychenko
citation:
ama: Hähnel D, Förstner J, Myroshnychenko V. Efficient Modeling and Tailoring of
Nonlinear Wavefronts in Dielectric Metasurfaces. ACS Photonics. Published
online 2023. doi:10.1021/acsphotonics.2c01967
apa: Hähnel, D., Förstner, J., & Myroshnychenko, V. (2023). Efficient Modeling
and Tailoring of Nonlinear Wavefronts in Dielectric Metasurfaces. ACS Photonics.
https://doi.org/10.1021/acsphotonics.2c01967
bibtex: '@article{Hähnel_Förstner_Myroshnychenko_2023, title={Efficient Modeling
and Tailoring of Nonlinear Wavefronts in Dielectric Metasurfaces}, DOI={10.1021/acsphotonics.2c01967},
journal={ACS Photonics}, publisher={American Chemical Society (ACS)}, author={Hähnel,
David and Förstner, Jens and Myroshnychenko, Viktor}, year={2023} }'
chicago: Hähnel, David, Jens Förstner, and Viktor Myroshnychenko. “Efficient Modeling
and Tailoring of Nonlinear Wavefronts in Dielectric Metasurfaces.” ACS Photonics,
2023. https://doi.org/10.1021/acsphotonics.2c01967.
ieee: 'D. Hähnel, J. Förstner, and V. Myroshnychenko, “Efficient Modeling and Tailoring
of Nonlinear Wavefronts in Dielectric Metasurfaces,” ACS Photonics, 2023,
doi: 10.1021/acsphotonics.2c01967.'
mla: Hähnel, David, et al. “Efficient Modeling and Tailoring of Nonlinear Wavefronts
in Dielectric Metasurfaces.” ACS Photonics, American Chemical Society (ACS),
2023, doi:10.1021/acsphotonics.2c01967.
short: D. Hähnel, J. Förstner, V. Myroshnychenko, ACS Photonics (2023).
date_created: 2023-06-13T09:43:25Z
date_updated: 2023-06-13T09:49:12Z
ddc:
- '530'
department:
- _id: '61'
- _id: '230'
- _id: '429'
doi: 10.1021/acsphotonics.2c01967
file:
- access_level: open_access
content_type: application/pdf
creator: fossie
date_created: 2023-06-13T09:48:17Z
date_updated: 2023-06-13T09:48:17Z
file_id: '45597'
file_name: 2023-06 Hähnel - ACS Photonics - Efficient Modeling and Tailoring of
Nonlinear Wavefronts in Dielectric Metasurfaces.pdf
file_size: 5382111
relation: main_file
file_date_updated: 2023-06-13T09:48:17Z
has_accepted_license: '1'
keyword:
- tet_topic_meta
language:
- iso: eng
main_file_link:
- open_access: '1'
oa: '1'
project:
- _id: '167'
grant_number: '231447078'
name: 'TRR 142 - B06: TRR 142 - Ultraschnelle kohärente opto-elektronische Kontrolle
eines photonischen Quantensystems (B06*)'
- _id: '55'
name: 'TRR 142 - B: TRR 142 - Project Area B'
- _id: '53'
grant_number: '231447078'
name: 'TRR 142: TRR 142 - Maßgeschneiderte nichtlineare Photonik: Von grundlegenden
Konzepten zu funktionellen Strukturen'
- _id: '75'
grant_number: '231447078'
name: 'TRR 142 - C05: TRR 142 - Nichtlineare optische Oberflächen basierend auf
ZnO-plasmonischen Hybrid-Nanostrukturen (C05)'
- _id: '56'
name: 'TRR 142 - C: TRR 142 - Project Area C'
- _id: '52'
name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
publication: ACS Photonics
publication_identifier:
issn:
- 2330-4022
- 2330-4022
publication_status: published
publisher: American Chemical Society (ACS)
status: public
title: Efficient Modeling and Tailoring of Nonlinear Wavefronts in Dielectric Metasurfaces
type: journal_article
user_id: '158'
year: '2023'
...
---
_id: '43827'
abstract:
- lang: eng
text: A series of new organic donor–π–acceptor dyes incorporating a diquat moiety
as a novel electron-acceptor unit have been synthesized and characterized. The
analytical data were supported by DFT calculations. These dyes were explored in
the aerobic thiocyanation of indoles and pyrroles. Here they showed a high photocatalytic
activity under visible light, giving isolated yields of up to 97 %. In addition,
the photocatalytic activity of standalone diquat and methyl viologen through formation
of an electron donor acceptor complex is presented.
article_type: original
author:
- first_name: Armin
full_name: Meier, Armin
last_name: Meier
- first_name: Sabuhi
full_name: Badalov, Sabuhi
id: '78800'
last_name: Badalov
orcid: 0000-0002-8481-4161
- first_name: Timur
full_name: Biktagirov, Timur
id: '65612'
last_name: Biktagirov
- first_name: Wolf Gero
full_name: Schmidt, Wolf Gero
id: '468'
last_name: Schmidt
orcid: 0000-0002-2717-5076
- first_name: René
full_name: Wilhelm, René
last_name: Wilhelm
citation:
ama: 'Meier A, Badalov S, Biktagirov T, Schmidt WG, Wilhelm R. Diquat Based Dyes:
A New Class of Photoredox Catalysts and Their Use in Aerobic Thiocyanation. Chemistry
– A European Journal. 2023;29(22):e202203541. doi:10.1002/chem.202203541'
apa: 'Meier, A., Badalov, S., Biktagirov, T., Schmidt, W. G., & Wilhelm, R.
(2023). Diquat Based Dyes: A New Class of Photoredox Catalysts and Their Use in
Aerobic Thiocyanation. Chemistry – A European Journal, 29(22), e202203541.
https://doi.org/10.1002/chem.202203541'
bibtex: '@article{Meier_Badalov_Biktagirov_Schmidt_Wilhelm_2023, title={Diquat Based
Dyes: A New Class of Photoredox Catalysts and Their Use in Aerobic Thiocyanation},
volume={29}, DOI={10.1002/chem.202203541},
number={22}, journal={Chemistry – A European Journal}, publisher={Wiley}, author={Meier,
Armin and Badalov, Sabuhi and Biktagirov, Timur and Schmidt, Wolf Gero and Wilhelm,
René}, year={2023}, pages={e202203541} }'
chicago: 'Meier, Armin, Sabuhi Badalov, Timur Biktagirov, Wolf Gero Schmidt, and
René Wilhelm. “Diquat Based Dyes: A New Class of Photoredox Catalysts and Their
Use in Aerobic Thiocyanation.” Chemistry – A European Journal 29, no. 22
(2023): e202203541. https://doi.org/10.1002/chem.202203541.'
ieee: 'A. Meier, S. Badalov, T. Biktagirov, W. G. Schmidt, and R. Wilhelm, “Diquat
Based Dyes: A New Class of Photoredox Catalysts and Their Use in Aerobic Thiocyanation,”
Chemistry – A European Journal, vol. 29, no. 22, p. e202203541, 2023, doi:
10.1002/chem.202203541.'
mla: 'Meier, Armin, et al. “Diquat Based Dyes: A New Class of Photoredox Catalysts
and Their Use in Aerobic Thiocyanation.” Chemistry – A European Journal,
vol. 29, no. 22, Wiley, 2023, p. e202203541, doi:10.1002/chem.202203541.'
short: A. Meier, S. Badalov, T. Biktagirov, W.G. Schmidt, R. Wilhelm, Chemistry
– A European Journal 29 (2023) e202203541.
date_created: 2023-04-16T18:14:24Z
date_updated: 2023-06-26T02:29:15Z
department:
- _id: '35'
- _id: '15'
- _id: '170'
- _id: '295'
- _id: '230'
doi: 10.1002/chem.202203541
extern: '1'
issue: '22'
keyword:
- General Chemistry
- Catalysis
- Organic Chemistry
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/chem.202203541
oa: '1'
page: ' e202203541'
project:
- _id: '52'
name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
publication: Chemistry – A European Journal
publication_identifier:
issn:
- 0947-6539
- 1521-3765
publication_status: published
publisher: Wiley
related_material:
link:
- relation: supplementary_material
url: https://chemistry-europe.onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1002%2Fchem.202203541&file=chem202203541-sup-0001-misc_information.pdf
status: public
title: 'Diquat Based Dyes: A New Class of Photoredox Catalysts and Their Use in Aerobic
Thiocyanation'
type: journal_article
user_id: '78800'
volume: ' 29'
year: '2023'
...
---
_id: '38041'
abstract:
- lang: eng
text: "While FPGA accelerator boards and their respective high-level design
tools are maturing, there is still a lack of multi-FPGA applications, libraries,
and not least, benchmarks and reference implementations towards sustained HPC
usage of these devices. As in the early days of GPUs in HPC, for workloads that
can reasonably be decoupled into loosely coupled working sets, multi-accelerator
support can be achieved by using standard communication interfaces like MPI on
the host side. However, for performance and productivity, some applications can
profit from a tighter coupling of the accelerators. FPGAs offer unique opportunities
here when extending the dataflow characteristics to their communication interfaces.\r\n
\ In this work, we extend the HPCC FPGA benchmark suite by multi-FPGA
support and three missing benchmarks that particularly characterize or stress
inter-device communication: b_eff, PTRANS, and LINPACK. With all benchmarks implemented
for current boards with Intel and Xilinx FPGAs, we established a baseline for
multi-FPGA performance. Additionally, for the communication-centric benchmarks,
we explored the potential of direct FPGA-to-FPGA communication with a circuit-switched
inter-FPGA network that is currently only available for one of the boards. The
evaluation with parallel execution on up to 26 FPGA boards makes use of one of
the largest academic FPGA installations."
author:
- first_name: Marius
full_name: Meyer, Marius
id: '40778'
last_name: Meyer
- first_name: Tobias
full_name: Kenter, Tobias
id: '3145'
last_name: Kenter
- first_name: Christian
full_name: Plessl, Christian
id: '16153'
last_name: Plessl
orcid: 0000-0001-5728-9982
citation:
ama: Meyer M, Kenter T, Plessl C. Multi-FPGA Designs and Scaling of HPC Challenge
Benchmarks via MPI and Circuit-Switched Inter-FPGA Networks. ACM Transactions
on Reconfigurable Technology and Systems. Published online 2023. doi:10.1145/3576200
apa: Meyer, M., Kenter, T., & Plessl, C. (2023). Multi-FPGA Designs and Scaling
of HPC Challenge Benchmarks via MPI and Circuit-Switched Inter-FPGA Networks.
ACM Transactions on Reconfigurable Technology and Systems. https://doi.org/10.1145/3576200
bibtex: '@article{Meyer_Kenter_Plessl_2023, title={Multi-FPGA Designs and Scaling
of HPC Challenge Benchmarks via MPI and Circuit-Switched Inter-FPGA Networks},
DOI={10.1145/3576200}, journal={ACM
Transactions on Reconfigurable Technology and Systems}, publisher={Association
for Computing Machinery (ACM)}, author={Meyer, Marius and Kenter, Tobias and Plessl,
Christian}, year={2023} }'
chicago: Meyer, Marius, Tobias Kenter, and Christian Plessl. “Multi-FPGA Designs
and Scaling of HPC Challenge Benchmarks via MPI and Circuit-Switched Inter-FPGA
Networks.” ACM Transactions on Reconfigurable Technology and Systems, 2023.
https://doi.org/10.1145/3576200.
ieee: 'M. Meyer, T. Kenter, and C. Plessl, “Multi-FPGA Designs and Scaling of HPC
Challenge Benchmarks via MPI and Circuit-Switched Inter-FPGA Networks,” ACM
Transactions on Reconfigurable Technology and Systems, 2023, doi: 10.1145/3576200.'
mla: Meyer, Marius, et al. “Multi-FPGA Designs and Scaling of HPC Challenge Benchmarks
via MPI and Circuit-Switched Inter-FPGA Networks.” ACM Transactions on Reconfigurable
Technology and Systems, Association for Computing Machinery (ACM), 2023, doi:10.1145/3576200.
short: M. Meyer, T. Kenter, C. Plessl, ACM Transactions on Reconfigurable Technology
and Systems (2023).
date_created: 2023-01-23T08:40:42Z
date_updated: 2023-07-28T08:02:05Z
department:
- _id: '27'
- _id: '518'
doi: 10.1145/3576200
keyword:
- General Computer Science
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://dl.acm.org/doi/10.1145/3576200
oa: '1'
project:
- _id: '52'
name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
- _id: '4'
name: 'SFB 901 - C: SFB 901 - Project Area C'
- _id: '1'
grant_number: '160364472'
name: 'SFB 901: SFB 901'
- _id: '14'
grant_number: '160364472'
name: 'SFB 901 - C2: SFB 901 - Subproject C2'
publication: ACM Transactions on Reconfigurable Technology and Systems
publication_identifier:
issn:
- 1936-7406
- 1936-7414
publication_status: published
publisher: Association for Computing Machinery (ACM)
quality_controlled: '1'
status: public
title: Multi-FPGA Designs and Scaling of HPC Challenge Benchmarks via MPI and Circuit-Switched
Inter-FPGA Networks
type: journal_article
user_id: '24135'
year: '2023'
...
---
_id: '43228'
abstract:
- lang: eng
text: "The computation of electron repulsion integrals (ERIs) over Gaussian-type
orbitals (GTOs) is a challenging problem in quantum-mechanics-based atomistic
simulations. In practical simulations, several trillions of ERIs may have to be\r\ncomputed
for every time step.\r\nIn this work, we investigate FPGAs as accelerators for
the ERI computation. We use template parameters, here within the Intel oneAPI
tool flow, to create customized designs for 256 different ERI quartet classes,
based on their orbitals. To maximize data reuse, all intermediates are buffered
in FPGA on-chip memory with customized layout. The pre-calculation of intermediates
also helps to overcome data dependencies caused by multi-dimensional recurrence\r\nrelations.
The involved loop structures are partially or even fully unrolled for high throughput
of FPGA kernels. Furthermore, a lossy compression algorithm utilizing arbitrary
bitwidth integers is integrated in the FPGA kernels. To our\r\nbest knowledge,
this is the first work on ERI computation on FPGAs that supports more than just
the single most basic quartet class. Also, the integration of ERI computation
and compression it a novelty that is not even covered by CPU or GPU libraries
so far.\r\nOur evaluation shows that using 16-bit integer for the ERI compression,
the fastest FPGA kernels exceed the performance of 10 GERIS ($10 \\times 10^9$
ERIs per second) on one Intel Stratix 10 GX 2800 FPGA, with maximum absolute errors
around $10^{-7}$ - $10^{-5}$ Hartree. The measured throughput can be accurately
explained by a performance model. The FPGA kernels deployed on 2 FPGAs outperform
similar computations using the widely used libint reference on a two-socket server
with 40 Xeon Gold 6148 CPU cores of the same process technology by factors up
to 6.0x and on a new two-socket server with 128 EPYC 7713 CPU cores by up to 1.9x."
author:
- first_name: Xin
full_name: Wu, Xin
id: '77439'
last_name: Wu
- first_name: Tobias
full_name: Kenter, Tobias
id: '3145'
last_name: Kenter
- first_name: Robert
full_name: Schade, Robert
id: '75963'
last_name: Schade
orcid: 0000-0002-6268-539
- first_name: Thomas
full_name: Kühne, Thomas
id: '49079'
last_name: Kühne
- first_name: Christian
full_name: Plessl, Christian
id: '16153'
last_name: Plessl
orcid: 0000-0001-5728-9982
citation:
ama: 'Wu X, Kenter T, Schade R, Kühne T, Plessl C. Computing and Compressing Electron
Repulsion Integrals on FPGAs. In: 2023 IEEE 31st Annual International Symposium
on Field-Programmable Custom Computing Machines (FCCM). ; 2023:162-173. doi:10.1109/FCCM57271.2023.00026'
apa: Wu, X., Kenter, T., Schade, R., Kühne, T., & Plessl, C. (2023). Computing
and Compressing Electron Repulsion Integrals on FPGAs. 2023 IEEE 31st Annual
International Symposium on Field-Programmable Custom Computing Machines (FCCM),
162–173. https://doi.org/10.1109/FCCM57271.2023.00026
bibtex: '@inproceedings{Wu_Kenter_Schade_Kühne_Plessl_2023, title={Computing and
Compressing Electron Repulsion Integrals on FPGAs}, DOI={10.1109/FCCM57271.2023.00026},
booktitle={2023 IEEE 31st Annual International Symposium on Field-Programmable
Custom Computing Machines (FCCM)}, author={Wu, Xin and Kenter, Tobias and Schade,
Robert and Kühne, Thomas and Plessl, Christian}, year={2023}, pages={162–173}
}'
chicago: Wu, Xin, Tobias Kenter, Robert Schade, Thomas Kühne, and Christian Plessl.
“Computing and Compressing Electron Repulsion Integrals on FPGAs.” In 2023
IEEE 31st Annual International Symposium on Field-Programmable Custom Computing
Machines (FCCM), 162–73, 2023. https://doi.org/10.1109/FCCM57271.2023.00026.
ieee: 'X. Wu, T. Kenter, R. Schade, T. Kühne, and C. Plessl, “Computing and Compressing
Electron Repulsion Integrals on FPGAs,” in 2023 IEEE 31st Annual International
Symposium on Field-Programmable Custom Computing Machines (FCCM), 2023, pp.
162–173, doi: 10.1109/FCCM57271.2023.00026.'
mla: Wu, Xin, et al. “Computing and Compressing Electron Repulsion Integrals on
FPGAs.” 2023 IEEE 31st Annual International Symposium on Field-Programmable
Custom Computing Machines (FCCM), 2023, pp. 162–73, doi:10.1109/FCCM57271.2023.00026.
short: 'X. Wu, T. Kenter, R. Schade, T. Kühne, C. Plessl, in: 2023 IEEE 31st Annual
International Symposium on Field-Programmable Custom Computing Machines (FCCM),
2023, pp. 162–173.'
date_created: 2023-03-30T11:15:40Z
date_updated: 2023-08-02T15:05:42Z
department:
- _id: '27'
- _id: '518'
doi: 10.1109/FCCM57271.2023.00026
external_id:
arxiv:
- '2303.13632'
language:
- iso: eng
main_file_link:
- url: https://ieeexplore.ieee.org/document/10171537
page: 162-173
project:
- _id: '52'
name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
publication: 2023 IEEE 31st Annual International Symposium on Field-Programmable Custom
Computing Machines (FCCM)
quality_controlled: '1'
status: public
title: Computing and Compressing Electron Repulsion Integrals on FPGAs
type: conference
user_id: '75963'
year: '2023'
...
---
_id: '45361'
abstract:
- lang: eng
text: The non-orthogonal local submatrix method applied to electronic structure–based
molecular dynamics simulations is shown to exceed 1.1 EFLOP/s in FP16/FP32-mixed
floating-point arithmetic when using 4400 NVIDIA A100 GPUs of the Perlmutter system.
This is enabled by a modification of the original method that pushes the sustained
fraction of the peak performance to about 80%. Example calculations are performed
for SARS-CoV-2 spike proteins with up to 83 million atoms.
article_number: '109434202311776'
article_type: original
author:
- first_name: Robert
full_name: Schade, Robert
id: '75963'
last_name: Schade
orcid: 0000-0002-6268-539
- first_name: Tobias
full_name: Kenter, Tobias
id: '3145'
last_name: Kenter
- first_name: Hossam
full_name: Elgabarty, Hossam
id: '60250'
last_name: Elgabarty
orcid: 0000-0002-4945-1481
- first_name: Michael
full_name: Lass, Michael
id: '24135'
last_name: Lass
orcid: 0000-0002-5708-7632
- first_name: Thomas
full_name: Kühne, Thomas
id: '49079'
last_name: Kühne
- first_name: Christian
full_name: Plessl, Christian
id: '16153'
last_name: Plessl
orcid: 0000-0001-5728-9982
citation:
ama: Schade R, Kenter T, Elgabarty H, Lass M, Kühne T, Plessl C. Breaking the exascale
barrier for the electronic structure problem in ab-initio molecular dynamics.
The International Journal of High Performance Computing Applications. Published
online 2023. doi:10.1177/10943420231177631
apa: Schade, R., Kenter, T., Elgabarty, H., Lass, M., Kühne, T., & Plessl, C.
(2023). Breaking the exascale barrier for the electronic structure problem in
ab-initio molecular dynamics. The International Journal of High Performance
Computing Applications, Article 109434202311776. https://doi.org/10.1177/10943420231177631
bibtex: '@article{Schade_Kenter_Elgabarty_Lass_Kühne_Plessl_2023, title={Breaking
the exascale barrier for the electronic structure problem in ab-initio molecular
dynamics}, DOI={10.1177/10943420231177631},
number={109434202311776}, journal={The International Journal of High Performance
Computing Applications}, publisher={SAGE Publications}, author={Schade, Robert
and Kenter, Tobias and Elgabarty, Hossam and Lass, Michael and Kühne, Thomas and
Plessl, Christian}, year={2023} }'
chicago: Schade, Robert, Tobias Kenter, Hossam Elgabarty, Michael Lass, Thomas Kühne,
and Christian Plessl. “Breaking the Exascale Barrier for the Electronic Structure
Problem in Ab-Initio Molecular Dynamics.” The International Journal of High
Performance Computing Applications, 2023. https://doi.org/10.1177/10943420231177631.
ieee: 'R. Schade, T. Kenter, H. Elgabarty, M. Lass, T. Kühne, and C. Plessl, “Breaking
the exascale barrier for the electronic structure problem in ab-initio molecular
dynamics,” The International Journal of High Performance Computing Applications,
Art. no. 109434202311776, 2023, doi: 10.1177/10943420231177631.'
mla: Schade, Robert, et al. “Breaking the Exascale Barrier for the Electronic Structure
Problem in Ab-Initio Molecular Dynamics.” The International Journal of High
Performance Computing Applications, 109434202311776, SAGE Publications, 2023,
doi:10.1177/10943420231177631.
short: R. Schade, T. Kenter, H. Elgabarty, M. Lass, T. Kühne, C. Plessl, The International
Journal of High Performance Computing Applications (2023).
date_created: 2023-05-30T09:19:09Z
date_updated: 2023-08-02T15:04:53Z
department:
- _id: '27'
- _id: '518'
doi: 10.1177/10943420231177631
keyword:
- Hardware and Architecture
- Theoretical Computer Science
- Software
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://journals.sagepub.com/doi/10.1177/10943420231177631
oa: '1'
project:
- _id: '52'
name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
publication: The International Journal of High Performance Computing Applications
publication_identifier:
issn:
- 1094-3420
- 1741-2846
publication_status: published
publisher: SAGE Publications
quality_controlled: '1'
status: public
title: Breaking the exascale barrier for the electronic structure problem in ab-initio
molecular dynamics
type: journal_article
user_id: '75963'
year: '2023'
...
---
_id: '28941'
author:
- first_name: Reza
full_name: Afsahnoudeh, Reza
id: '90390'
last_name: Afsahnoudeh
- first_name: Maik
full_name: Holzmüller, Maik
id: '82645'
last_name: Holzmüller
- first_name: Fabian
full_name: Bader, Fabian
id: '65204'
last_name: Bader
- first_name: Werner
full_name: Homberg, Werner
id: '233'
last_name: Homberg
- first_name: Eugeny Y.
full_name: Kenig, Eugeny Y.
id: '665'
last_name: Kenig
citation:
ama: 'Afsahnoudeh R, Holzmüller M, Bader F, Homberg W, Kenig EY. Numerische Untersuchung
von Oberflächenstrukturierung zur Erhöhung der Effizienz von Kissenplatten-Wärmeübertragern.
In: ; 2023.'
apa: Afsahnoudeh, R., Holzmüller, M., Bader, F., Homberg, W., & Kenig, E. Y.
(2023). Numerische Untersuchung von Oberflächenstrukturierung zur Erhöhung
der Effizienz von Kissenplatten-Wärmeübertragern. Jahrestreffen der DECHEMA-Fachgruppen
Computational Fluid Dynamics und Wärme- und Stoffübertragung, Frankfurt am Main.
bibtex: '@inproceedings{Afsahnoudeh_Holzmüller_Bader_Homberg_Kenig_2023, title={Numerische
Untersuchung von Oberflächenstrukturierung zur Erhöhung der Effizienz von Kissenplatten-Wärmeübertragern},
author={Afsahnoudeh, Reza and Holzmüller, Maik and Bader, Fabian and Homberg,
Werner and Kenig, Eugeny Y.}, year={2023} }'
chicago: Afsahnoudeh, Reza, Maik Holzmüller, Fabian Bader, Werner Homberg, and Eugeny
Y. Kenig. “Numerische Untersuchung von Oberflächenstrukturierung Zur Erhöhung
Der Effizienz von Kissenplatten-Wärmeübertragern,” 2023.
ieee: R. Afsahnoudeh, M. Holzmüller, F. Bader, W. Homberg, and E. Y. Kenig, “Numerische
Untersuchung von Oberflächenstrukturierung zur Erhöhung der Effizienz von Kissenplatten-Wärmeübertragern,”
presented at the Jahrestreffen der DECHEMA-Fachgruppen Computational Fluid Dynamics
und Wärme- und Stoffübertragung, Frankfurt am Main, 2023.
mla: Afsahnoudeh, Reza, et al. Numerische Untersuchung von Oberflächenstrukturierung
Zur Erhöhung Der Effizienz von Kissenplatten-Wärmeübertragern. 2023.
short: 'R. Afsahnoudeh, M. Holzmüller, F. Bader, W. Homberg, E.Y. Kenig, in: 2023.'
conference:
end_date: 08.06.2023
location: Frankfurt am Main
name: Jahrestreffen der DECHEMA-Fachgruppen Computational Fluid Dynamics und Wärme-
und Stoffübertragung
start_date: 06.03.2023
date_created: 2021-12-15T11:08:25Z
date_updated: 2023-09-12T08:04:52Z
department:
- _id: '145'
language:
- iso: eng
project:
- _id: '52'
name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
status: public
title: Numerische Untersuchung von Oberflächenstrukturierung zur Erhöhung der Effizienz
von Kissenplatten-Wärmeübertragern
type: conference_abstract
user_id: '90390'
year: '2023'
...
---
_id: '55900'
article_number: '043158'
author:
- first_name: Dennis
full_name: Scharwald, Dennis
id: '55907'
last_name: Scharwald
orcid: 0009-0007-5654-5412
- first_name: Torsten
full_name: Meier, Torsten
id: '344'
last_name: Meier
orcid: 0000-0001-8864-2072
- first_name: Polina
full_name: Sharapova, Polina
last_name: Sharapova
citation:
ama: Scharwald D, Meier T, Sharapova P. Phase sensitivity of spatially broadband
high-gain SU(1,1) interferometers. Physical Review Research. 2023;5(4).
doi:10.1103/physrevresearch.5.043158
apa: Scharwald, D., Meier, T., & Sharapova, P. (2023). Phase sensitivity of
spatially broadband high-gain SU(1,1) interferometers. Physical Review Research,
5(4), Article 043158. https://doi.org/10.1103/physrevresearch.5.043158
bibtex: '@article{Scharwald_Meier_Sharapova_2023, title={Phase sensitivity of spatially
broadband high-gain SU(1,1) interferometers}, volume={5}, DOI={10.1103/physrevresearch.5.043158},
number={4043158}, journal={Physical Review Research}, publisher={American Physical
Society (APS)}, author={Scharwald, Dennis and Meier, Torsten and Sharapova, Polina},
year={2023} }'
chicago: Scharwald, Dennis, Torsten Meier, and Polina Sharapova. “Phase Sensitivity
of Spatially Broadband High-Gain SU(1,1) Interferometers.” Physical Review
Research 5, no. 4 (2023). https://doi.org/10.1103/physrevresearch.5.043158.
ieee: 'D. Scharwald, T. Meier, and P. Sharapova, “Phase sensitivity of spatially
broadband high-gain SU(1,1) interferometers,” Physical Review Research,
vol. 5, no. 4, Art. no. 043158, 2023, doi: 10.1103/physrevresearch.5.043158.'
mla: Scharwald, Dennis, et al. “Phase Sensitivity of Spatially Broadband High-Gain
SU(1,1) Interferometers.” Physical Review Research, vol. 5, no. 4, 043158,
American Physical Society (APS), 2023, doi:10.1103/physrevresearch.5.043158.
short: D. Scharwald, T. Meier, P. Sharapova, Physical Review Research 5 (2023).
date_created: 2024-08-30T04:48:05Z
date_updated: 2026-02-01T13:21:22Z
department:
- _id: '15'
- _id: '569'
- _id: '170'
- _id: '293'
- _id: '35'
- _id: '230'
- _id: '429'
- _id: '623'
- _id: '27'
doi: 10.1103/physrevresearch.5.043158
intvolume: ' 5'
issue: '4'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://journals.aps.org/prresearch/pdf/10.1103/PhysRevResearch.5.043158
oa: '1'
project:
- _id: '53'
name: 'TRR 142: TRR 142 - Maßgeschneiderte nichtlineare Photonik: Von grundlegenden
Konzepten zu funktionellen Strukturen'
- _id: '56'
name: 'TRR 142 - C: TRR 142 - Project Area C'
- _id: '174'
name: 'TRR 142 - C10: TRR 142 - Erzeugung und Charakterisierung von Quantenlicht
in nichtlinearen Systemen: Eine theoretische Analyse (C10*)'
- _id: '52'
name: 'PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing'
publication: Physical Review Research
publication_identifier:
issn:
- 2643-1564
publication_status: published
publisher: American Physical Society (APS)
status: public
title: Phase sensitivity of spatially broadband high-gain SU(1,1) interferometers
type: journal_article
user_id: '55907'
volume: 5
year: '2023'
...
---
_id: '61252'
abstract:
- lang: eng
text: AbstractThe biexciton‐exciton emission cascade
commonly used in quantum‐dot systems to generate polarization entanglement yields
photons with intrinsically limited indistinguishability. In the present work,
it focuses on the generation of pairs of photons with high degrees of polarization
entanglement and simultaneously high indistinguishability. It achieves this goal
by selectively reducing the biexciton lifetime with an optical resonator. It demonstrates
that a suitably tailored circular Bragg reflector fulfills the requirements of
sufficient selective Purcell enhancement of biexciton emission paired with spectrally
broad photon extraction and twofold degenerate optical modes. The in‐depth theoretical
study combines (i) the optimization of realistic photonic structures solving Maxwell's
equations from which model parameters are extracted as input for (ii) microscopic
simulations of quantum‐dot cavity excitation dynamics with full access to photon
properties. It reports non‐trivial dependencies on system parameters and use the
predictive power of the combined theoretical approach to determine the optimal
range of Purcell enhancement that maximizes indistinguishability and entanglement
to near unity values, here specifically for the telecom C‐band at 1550 nm.
article_number: '2300142'
author:
- first_name: David
full_name: Bauch, David
last_name: Bauch
- first_name: Dustin
full_name: Siebert, Dustin
last_name: Siebert
- first_name: Klaus D.
full_name: Jöns, Klaus D.
id: '85353'
last_name: Jöns
- first_name: Jens
full_name: Förstner, Jens
id: '158'
last_name: Förstner
orcid: 0000-0001-7059-9862
- first_name: Stefan
full_name: Schumacher, Stefan
id: '27271'
last_name: Schumacher
orcid: 0000-0003-4042-4951
citation:
ama: Bauch D, Siebert D, Jöns KD, Förstner J, Schumacher S. On‐Demand Indistinguishable
and Entangled Photons Using Tailored Cavity Designs. Advanced Quantum Technologies.
2023;7(1). doi:10.1002/qute.202300142
apa: Bauch, D., Siebert, D., Jöns, K. D., Förstner, J., & Schumacher, S. (2023).
On‐Demand Indistinguishable and Entangled Photons Using Tailored Cavity Designs.
Advanced Quantum Technologies, 7(1), Article 2300142. https://doi.org/10.1002/qute.202300142
bibtex: '@article{Bauch_Siebert_Jöns_Förstner_Schumacher_2023, title={On‐Demand
Indistinguishable and Entangled Photons Using Tailored Cavity Designs}, volume={7},
DOI={10.1002/qute.202300142},
number={12300142}, journal={Advanced Quantum Technologies}, publisher={Wiley},
author={Bauch, David and Siebert, Dustin and Jöns, Klaus D. and Förstner, Jens
and Schumacher, Stefan}, year={2023} }'
chicago: Bauch, David, Dustin Siebert, Klaus D. Jöns, Jens Förstner, and Stefan
Schumacher. “On‐Demand Indistinguishable and Entangled Photons Using Tailored
Cavity Designs.” Advanced Quantum Technologies 7, no. 1 (2023). https://doi.org/10.1002/qute.202300142.
ieee: 'D. Bauch, D. Siebert, K. D. Jöns, J. Förstner, and S. Schumacher, “On‐Demand
Indistinguishable and Entangled Photons Using Tailored Cavity Designs,” Advanced
Quantum Technologies, vol. 7, no. 1, Art. no. 2300142, 2023, doi: 10.1002/qute.202300142.'
mla: Bauch, David, et al. “On‐Demand Indistinguishable and Entangled Photons Using
Tailored Cavity Designs.” Advanced Quantum Technologies, vol. 7, no. 1,
2300142, Wiley, 2023, doi:10.1002/qute.202300142.
short: D. Bauch, D. Siebert, K.D. Jöns, J. Förstner, S. Schumacher, Advanced Quantum
Technologies 7 (2023).
date_created: 2025-09-12T11:11:56Z
date_updated: 2025-09-12T11:16:12Z
department:
- _id: '15'
- _id: '170'
- _id: '297'
- _id: '642'
- _id: '61'
- _id: '230'
- _id: '35'
- _id: '34'
- _id: '429'
- _id: '27'
- _id: '623'
doi: 10.1002/qute.202300142
intvolume: ' 7'
issue: '1'
language:
- iso: eng
project:
- _id: '52'
name: Computing Resources Provided by the Paderborn Center for Parallel Computing
- _id: '53'
name: 'TRR 142: Maßgeschneiderte nichtlineare Photonik: Von grundlegenden Konzepten
zu funktionellen Strukturen'
- _id: '55'
name: TRR 142 - Project Area B
- _id: '56'
name: TRR 142 - Project Area C
- _id: '167'
name: 'TRR 142; TP B06: Ultraschnelle kohärente opto-elektronische Kontrolle eines
photonischen Quantensystems'
- _id: '173'
name: 'TRR 142; TP C09: Ideale Erzeugung von Photonenpaaren für Verschränkungsaustausch
bei Telekom Wellenlängen'
- _id: '266'
name: 'PhoQC: Photonisches Quantencomputing'
publication: Advanced Quantum Technologies
publication_identifier:
issn:
- 2511-9044
- 2511-9044
publication_status: published
publisher: Wiley
status: public
title: On‐Demand Indistinguishable and Entangled Photons Using Tailored Cavity Designs
type: journal_article
user_id: '16199'
volume: 7
year: '2023'
...
---
_id: '61266'
abstract:
- lang: eng
text: This review examines the use of continuous-variable spectroscopy techniques
for investigating quantum coherence and light-matter interactions in semiconductor
systems with ultrafast dynamics. Special emphasis is placed on multichannel homodyne
detection as a powerful tool to measure the quantum coherence and the full density
matrix of a polariton system. Observations, such as coherence times that exceed
the nanosecond scale obtained by monitoring the temporal decay of quantum coherence
in a polariton condensate, are discussed. Proof-of-concept experiments and numerical
simulations that demonstrate the enhanced resourcefulness of the produced system
states for modern quantum protocols are assessed. The combination of tailored
resource quantifiers and ultrafast spectroscopy techniques that have recently
been demonstrated paves the way for future applications of quantum information
technologies.
article_number: '2997'
author:
- first_name: Carolin
full_name: Lüders, Carolin
last_name: Lüders
- first_name: Franziska
full_name: Barkhausen, Franziska
id: '63631'
last_name: Barkhausen
- first_name: Matthias
full_name: Pukrop, Matthias
last_name: Pukrop
- first_name: Elena
full_name: Rozas, Elena
last_name: Rozas
- first_name: Jan
full_name: Sperling, Jan
id: '75127'
last_name: Sperling
orcid: 0000-0002-5844-3205
- first_name: Stefan
full_name: Schumacher, Stefan
id: '27271'
last_name: Schumacher
orcid: 0000-0003-4042-4951
- first_name: Marc
full_name: Aßmann, Marc
last_name: Aßmann
citation:
ama: Lüders C, Barkhausen F, Pukrop M, et al. Continuous-variable quantum optics
and resource theory for ultrafast semiconductor spectroscopy [Invited]. Optical
Materials Express. 2023;13(11). doi:10.1364/ome.497006
apa: Lüders, C., Barkhausen, F., Pukrop, M., Rozas, E., Sperling, J., Schumacher,
S., & Aßmann, M. (2023). Continuous-variable quantum optics and resource theory
for ultrafast semiconductor spectroscopy [Invited]. Optical Materials Express,
13(11), Article 2997. https://doi.org/10.1364/ome.497006
bibtex: '@article{Lüders_Barkhausen_Pukrop_Rozas_Sperling_Schumacher_Aßmann_2023,
title={Continuous-variable quantum optics and resource theory for ultrafast semiconductor
spectroscopy [Invited]}, volume={13}, DOI={10.1364/ome.497006},
number={112997}, journal={Optical Materials Express}, publisher={Optica Publishing
Group}, author={Lüders, Carolin and Barkhausen, Franziska and Pukrop, Matthias
and Rozas, Elena and Sperling, Jan and Schumacher, Stefan and Aßmann, Marc}, year={2023}
}'
chicago: Lüders, Carolin, Franziska Barkhausen, Matthias Pukrop, Elena Rozas, Jan
Sperling, Stefan Schumacher, and Marc Aßmann. “Continuous-Variable Quantum Optics
and Resource Theory for Ultrafast Semiconductor Spectroscopy [Invited].” Optical
Materials Express 13, no. 11 (2023). https://doi.org/10.1364/ome.497006.
ieee: 'C. Lüders et al., “Continuous-variable quantum optics and resource
theory for ultrafast semiconductor spectroscopy [Invited],” Optical Materials
Express, vol. 13, no. 11, Art. no. 2997, 2023, doi: 10.1364/ome.497006.'
mla: Lüders, Carolin, et al. “Continuous-Variable Quantum Optics and Resource Theory
for Ultrafast Semiconductor Spectroscopy [Invited].” Optical Materials Express,
vol. 13, no. 11, 2997, Optica Publishing Group, 2023, doi:10.1364/ome.497006.
short: C. Lüders, F. Barkhausen, M. Pukrop, E. Rozas, J. Sperling, S. Schumacher,
M. Aßmann, Optical Materials Express 13 (2023).
date_created: 2025-09-12T11:40:26Z
date_updated: 2025-09-12T11:41:42Z
department:
- _id: '15'
- _id: '170'
- _id: '297'
- _id: '706'
- _id: '35'
- _id: '230'
- _id: '27'
- _id: '623'
doi: 10.1364/ome.497006
intvolume: ' 13'
issue: '11'
language:
- iso: eng
project:
- _id: '52'
name: Computing Resources Provided by the Paderborn Center for Parallel Computing
- _id: '266'
name: 'PhoQC: Photonisches Quantencomputing'
publication: Optical Materials Express
publication_identifier:
issn:
- 2159-3930
publication_status: published
publisher: Optica Publishing Group
status: public
title: Continuous-variable quantum optics and resource theory for ultrafast semiconductor
spectroscopy [Invited]
type: journal_article
user_id: '16199'
volume: 13
year: '2023'
...