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The potential and global outlook of integrated photonics for quantum technologi. 2022;4(3):194-208.","ieee":"E. Pelucchi <i>et al.</i>, “The potential and global outlook of integrated photonics for quantum technologi,” vol. 4, no. 3. pp. 194–208, 2022.","chicago":"Pelucchi, E, G Fagas, I  Aharonovich, D Englund, E Figueroa, Q Gong, H Hannes, et al. “The potential and global outlook of integrated photonics for quantum technologi.” Nature Reviews Physics , 2022.","apa":"Pelucchi, E., Fagas, G.,  Aharonovich, I., Englund, D., Figueroa, E., Gong, Q., Hannes, H., Liu, J., Lu, C.-Y., Matsuda, N., Pan, J. W., Schreck, F., Sciarrino, F., Silberhorn, C., Wang, J., &#38; Jöns, K. D. (2022). <i>The potential and global outlook of integrated photonics for quantum technologi</i> (Vol. 4, Issue 3, pp. 194–208).","bibtex":"@article{Pelucchi_Fagas_ Aharonovich_Englund_Figueroa_Gong_Hannes_Liu_Lu_Matsuda_et al._2022, series={Nature Reviews Physics }, title={The potential and global outlook of integrated photonics for quantum technologi}, volume={4}, number={3}, author={Pelucchi, E and Fagas, G and  Aharonovich, I and Englund, D and Figueroa, E and Gong, Q and Hannes, H and Liu, J and Lu, C-Y and Matsuda, N and et al.}, year={2022}, pages={194–208}, collection={Nature Reviews Physics } }","mla":"Pelucchi, E., et al. <i>The potential and global outlook of integrated photonics for quantum technologi</i>. no. 3, 2022, pp. 194–208.","short":"E. Pelucchi, G. Fagas, I.  Aharonovich, D. Englund, E. Figueroa, Q. Gong, H. Hannes, J. Liu, C.-Y. Lu, N. Matsuda, J.W. Pan, F. Schreck, F. Sciarrino, C. Silberhorn, J. Wang, K.D. Jöns, 4 (2022) 194–208."},"year":"2022","issue":"3","publication_status":"published","language":[{"iso":"ger"}],"department":[{"_id":"623"}],"user_id":"71124","series_title":"Nature Reviews Physics ","_id":"41881","status":"public","type":"conference"},{"_id":"34700","department":[{"_id":"623"},{"_id":"7"}],"user_id":"71541","article_number":"13","type":"journal_article","status":"public","date_updated":"2023-02-28T11:07:02Z","volume":31,"author":[{"id":"71541","full_name":"Gharibian, Sevag","orcid":"0000-0002-9992-3379","last_name":"Gharibian","first_name":"Sevag"},{"first_name":"Miklos","last_name":"Santha","full_name":"Santha, Miklos"},{"first_name":"Jamie","last_name":"Sikora","full_name":"Sikora, Jamie"},{"first_name":"Aarthi","last_name":"Sundaram","full_name":"Sundaram, Aarthi"},{"first_name":"Justin","full_name":"Yirka, Justin","last_name":"Yirka"}],"doi":"10.1007/s00037-022-00231-8","publication_identifier":{"issn":["1016-3328","1420-8954"]},"publication_status":"published","intvolume":"        31","citation":{"apa":"Gharibian, S., Santha, M., Sikora, J., Sundaram, A., &#38; Yirka, J. (2022). Quantum generalizations of the polynomial hierarchy with applications to QMA(2). <i>Computational Complexity</i>, <i>31</i>(2), Article 13. <a href=\"https://doi.org/10.1007/s00037-022-00231-8\">https://doi.org/10.1007/s00037-022-00231-8</a>","short":"S. Gharibian, M. Santha, J. Sikora, A. Sundaram, J. Yirka, Computational Complexity 31 (2022).","mla":"Gharibian, Sevag, et al. “Quantum Generalizations of the Polynomial Hierarchy with Applications to QMA(2).” <i>Computational Complexity</i>, vol. 31, no. 2, 13, Springer Science and Business Media LLC, 2022, doi:<a href=\"https://doi.org/10.1007/s00037-022-00231-8\">10.1007/s00037-022-00231-8</a>.","bibtex":"@article{Gharibian_Santha_Sikora_Sundaram_Yirka_2022, title={Quantum generalizations of the polynomial hierarchy with applications to QMA(2)}, volume={31}, DOI={<a href=\"https://doi.org/10.1007/s00037-022-00231-8\">10.1007/s00037-022-00231-8</a>}, number={213}, journal={Computational Complexity}, publisher={Springer Science and Business Media LLC}, author={Gharibian, Sevag and Santha, Miklos and Sikora, Jamie and Sundaram, Aarthi and Yirka, Justin}, year={2022} }","ama":"Gharibian S, Santha M, Sikora J, Sundaram A, Yirka J. Quantum generalizations of the polynomial hierarchy with applications to QMA(2). <i>Computational Complexity</i>. 2022;31(2). doi:<a href=\"https://doi.org/10.1007/s00037-022-00231-8\">10.1007/s00037-022-00231-8</a>","ieee":"S. Gharibian, M. Santha, J. Sikora, A. Sundaram, and J. Yirka, “Quantum generalizations of the polynomial hierarchy with applications to QMA(2),” <i>Computational Complexity</i>, vol. 31, no. 2, Art. no. 13, 2022, doi: <a href=\"https://doi.org/10.1007/s00037-022-00231-8\">10.1007/s00037-022-00231-8</a>.","chicago":"Gharibian, Sevag, Miklos Santha, Jamie Sikora, Aarthi Sundaram, and Justin Yirka. “Quantum Generalizations of the Polynomial Hierarchy with Applications to QMA(2).” <i>Computational Complexity</i> 31, no. 2 (2022). <a href=\"https://doi.org/10.1007/s00037-022-00231-8\">https://doi.org/10.1007/s00037-022-00231-8</a>."},"keyword":["Computational Mathematics","Computational Theory and Mathematics","General Mathematics","Theoretical Computer Science"],"language":[{"iso":"eng"}],"publication":"Computational Complexity","publisher":"Springer Science and Business Media LLC","date_created":"2022-12-21T10:53:52Z","title":"Quantum generalizations of the polynomial hierarchy with applications to QMA(2)","issue":"2","year":"2022"},{"issue":"75","page":"1-27","intvolume":"       215","citation":{"ama":"Gharibian S, Rudolph D. On polynomially many queries to NP or QMA oracles. In: <i>13th Innovations in Theoretical Computer Science (ITCS 2022)</i>. Vol 215. ; 2022:1-27. doi:<a href=\"https://doi.org/10.4230/LIPIcs.ITCS.2022.75\">10.4230/LIPIcs.ITCS.2022.75</a>","ieee":"S. Gharibian and D. Rudolph, “On polynomially many queries to NP or QMA oracles,” in <i>13th Innovations in Theoretical Computer Science (ITCS 2022)</i>, 2022, vol. 215, no. 75, pp. 1–27, doi: <a href=\"https://doi.org/10.4230/LIPIcs.ITCS.2022.75\">10.4230/LIPIcs.ITCS.2022.75</a>.","chicago":"Gharibian, Sevag, and Dorian Rudolph. “On Polynomially Many Queries to NP or QMA Oracles.” In <i>13th Innovations in Theoretical Computer Science (ITCS 2022)</i>, 215:1–27, 2022. <a href=\"https://doi.org/10.4230/LIPIcs.ITCS.2022.75\">https://doi.org/10.4230/LIPIcs.ITCS.2022.75</a>.","short":"S. Gharibian, D. Rudolph, in: 13th Innovations in Theoretical Computer Science (ITCS 2022), 2022, pp. 1–27.","bibtex":"@inproceedings{Gharibian_Rudolph_2022, title={On polynomially many queries to NP or QMA oracles}, volume={215}, DOI={<a href=\"https://doi.org/10.4230/LIPIcs.ITCS.2022.75\">10.4230/LIPIcs.ITCS.2022.75</a>}, number={75}, booktitle={13th Innovations in Theoretical Computer Science (ITCS 2022)}, author={Gharibian, Sevag and Rudolph, Dorian}, year={2022}, pages={1–27} }","mla":"Gharibian, Sevag, and Dorian Rudolph. “On Polynomially Many Queries to NP or QMA Oracles.” <i>13th Innovations in Theoretical Computer Science (ITCS 2022)</i>, vol. 215, no. 75, 2022, pp. 1–27, doi:<a href=\"https://doi.org/10.4230/LIPIcs.ITCS.2022.75\">10.4230/LIPIcs.ITCS.2022.75</a>.","apa":"Gharibian, S., &#38; Rudolph, D. (2022). On polynomially many queries to NP or QMA oracles. <i>13th Innovations in Theoretical Computer Science (ITCS 2022)</i>, <i>215</i>(75), 1–27. <a href=\"https://doi.org/10.4230/LIPIcs.ITCS.2022.75\">https://doi.org/10.4230/LIPIcs.ITCS.2022.75</a>"},"year":"2022","volume":215,"date_created":"2021-11-05T08:08:29Z","author":[{"last_name":"Gharibian","orcid":"0000-0002-9992-3379","id":"71541","full_name":"Gharibian, Sevag","first_name":"Sevag"},{"full_name":"Rudolph, Dorian","last_name":"Rudolph","first_name":"Dorian"}],"oa":"1","date_updated":"2023-02-28T11:07:56Z","doi":"10.4230/LIPIcs.ITCS.2022.75","main_file_link":[{"open_access":"1","url":"https://drops.dagstuhl.de/opus/frontdoor.php?source_opus=15671"}],"title":"On polynomially many queries to NP or QMA oracles","publication":"13th Innovations in Theoretical Computer Science (ITCS 2022)","type":"conference","status":"public","abstract":[{"text":"We study the complexity of problems solvable in deterministic polynomial time\r\nwith access to an NP or Quantum Merlin-Arthur (QMA)-oracle, such as $P^{NP}$\r\nand $P^{QMA}$, respectively. The former allows one to classify problems more\r\nfinely than the Polynomial-Time Hierarchy (PH), whereas the latter\r\ncharacterizes physically motivated problems such as Approximate Simulation\r\n(APX-SIM) [Ambainis, CCC 2014]. In this area, a central role has been played by\r\nthe classes $P^{NP[\\log]}$ and $P^{QMA[\\log]}$, defined identically to $P^{NP}$\r\nand $P^{QMA}$, except that only logarithmically many oracle queries are\r\nallowed. Here, [Gottlob, FOCS 1993] showed that if the adaptive queries made by\r\na $P^{NP}$ machine have a \"query graph\" which is a tree, then this computation\r\ncan be simulated in $P^{NP[\\log]}$.\r\n  In this work, we first show that for any verification class\r\n$C\\in\\{NP,MA,QCMA,QMA,QMA(2),NEXP,QMA_{\\exp}\\}$, any $P^C$ machine with a query\r\ngraph of \"separator number\" $s$ can be simulated using deterministic time\r\n$\\exp(s\\log n)$ and $s\\log n$ queries to a $C$-oracle. When $s\\in O(1)$ (which\r\nincludes the case of $O(1)$-treewidth, and thus also of trees), this gives an\r\nupper bound of $P^{C[\\log]}$, and when $s\\in O(\\log^k(n))$, this yields bound\r\n$QP^{C[\\log^{k+1}]}$ (QP meaning quasi-polynomial time). We next show how to\r\ncombine Gottlob's \"admissible-weighting function\" framework with the\r\n\"flag-qubit\" framework of [Watson, Bausch, Gharibian, 2020], obtaining a\r\nunified approach for embedding $P^C$ computations directly into APX-SIM\r\ninstances in a black-box fashion. Finally, we formalize a simple no-go\r\nstatement about polynomials (c.f. [Krentel, STOC 1986]): Given a multi-linear\r\npolynomial $p$ specified via an arithmetic circuit, if one can \"weakly\r\ncompress\" $p$ so that its optimal value requires $m$ bits to represent, then\r\n$P^{NP}$ can be decided with only $m$ queries to an NP-oracle.","lang":"eng"}],"department":[{"_id":"623"},{"_id":"7"}],"user_id":"71541","_id":"27160","language":[{"iso":"eng"}]},{"_id":"28254","department":[{"_id":"15"},{"_id":"230"},{"_id":"289"},{"_id":"623"},{"_id":"2"},{"_id":"35"},{"_id":"307"}],"user_id":"23547","article_type":"original","type":"journal_article","status":"public","oa":"1","date_updated":"2023-03-08T08:13:58Z","volume":12,"author":[{"first_name":"René","last_name":"Geromel","full_name":"Geromel, René"},{"id":"11848","full_name":"Weinberger, Christian","last_name":"Weinberger","first_name":"Christian"},{"last_name":"Brormann","full_name":"Brormann, Katja","first_name":"Katja"},{"last_name":"Tiemann","orcid":"0000-0003-1711-2722","full_name":"Tiemann, Michael","id":"23547","first_name":"Michael"},{"orcid":"0000-0002-8662-1101","last_name":"Zentgraf","full_name":"Zentgraf, Thomas","id":"30525","first_name":"Thomas"}],"doi":"10.1364/ome.444264","main_file_link":[{"open_access":"1","url":"https://www.osapublishing.org/ome/fulltext.cfm?uri=ome-12-1-13&id=465602"}],"publication_identifier":{"issn":["2159-3930"]},"publication_status":"published","intvolume":"        12","page":"13-21","citation":{"mla":"Geromel, René, et al. “Porous SiO2 Coated Dielectric Metasurface with Consistent Performance Independent of Environmental Conditions.” <i>Optical Materials Express</i>, vol. 12, no. 1, Optica, 2022, pp. 13–21, doi:<a href=\"https://doi.org/10.1364/ome.444264\">10.1364/ome.444264</a>.","short":"R. Geromel, C. Weinberger, K. Brormann, M. Tiemann, T. Zentgraf, Optical Materials Express 12 (2022) 13–21.","bibtex":"@article{Geromel_Weinberger_Brormann_Tiemann_Zentgraf_2022, title={Porous SiO2 coated dielectric metasurface with consistent performance independent of environmental conditions}, volume={12}, DOI={<a href=\"https://doi.org/10.1364/ome.444264\">10.1364/ome.444264</a>}, number={1}, journal={Optical Materials Express}, publisher={Optica}, author={Geromel, René and Weinberger, Christian and Brormann, Katja and Tiemann, Michael and Zentgraf, Thomas}, year={2022}, pages={13–21} }","apa":"Geromel, R., Weinberger, C., Brormann, K., Tiemann, M., &#38; Zentgraf, T. (2022). Porous SiO2 coated dielectric metasurface with consistent performance independent of environmental conditions. <i>Optical Materials Express</i>, <i>12</i>(1), 13–21. <a href=\"https://doi.org/10.1364/ome.444264\">https://doi.org/10.1364/ome.444264</a>","ama":"Geromel R, Weinberger C, Brormann K, Tiemann M, Zentgraf T. Porous SiO2 coated dielectric metasurface with consistent performance independent of environmental conditions. <i>Optical Materials Express</i>. 2022;12(1):13-21. doi:<a href=\"https://doi.org/10.1364/ome.444264\">10.1364/ome.444264</a>","chicago":"Geromel, René, Christian Weinberger, Katja Brormann, Michael Tiemann, and Thomas Zentgraf. “Porous SiO2 Coated Dielectric Metasurface with Consistent Performance Independent of Environmental Conditions.” <i>Optical Materials Express</i> 12, no. 1 (2022): 13–21. <a href=\"https://doi.org/10.1364/ome.444264\">https://doi.org/10.1364/ome.444264</a>.","ieee":"R. Geromel, C. Weinberger, K. Brormann, M. Tiemann, and T. Zentgraf, “Porous SiO2 coated dielectric metasurface with consistent performance independent of environmental conditions,” <i>Optical Materials Express</i>, vol. 12, no. 1, pp. 13–21, 2022, doi: <a href=\"https://doi.org/10.1364/ome.444264\">10.1364/ome.444264</a>."},"language":[{"iso":"eng"}],"publication":"Optical Materials Express","abstract":[{"text":"With the rapid advances of functional dielectric metasurfaces and their integration on on-chip nanophotonic devices, the necessity of metasurfaces working in different environments, especially in biological applications, arose. However, the metasurfaces’ performance is tied to the unit cell’s efficiency and ultimately the surrounding environment it was designed for, thus reducing its applicability if exposed to altering refractive index media. Here, we report a method to increase a metasurface’s versatility by covering the high-index metasurface with a low index porous SiO2 film, protecting the metasurface from environmental changes while keeping the working efficiency unchanged. We show, that a covered metasurface retains its functionality even when exposed to fluidic environments.","lang":"eng"}],"publisher":"Optica","date_created":"2021-12-02T18:47:42Z","title":"Porous SiO2 coated dielectric metasurface with consistent performance independent of environmental conditions","quality_controlled":"1","issue":"1","year":"2022"},{"status":"public","abstract":[{"text":"<jats:title>Abstract</jats:title>\r\n               <jats:p>The interaction between quantum light and matter is being intensively studied for systems that are enclosed in high-<jats:italic>Q</jats:italic> cavities which strongly enhance the light–matter coupling. Cavities with low <jats:italic>Q</jats:italic>-factors are generally given less attention due to their high losses that quickly destroy quantum systems. However, bad cavities can be utilized for several applications, where lower <jats:italic>Q</jats:italic>-factors are required, e.g., to increase the spectral width of the cavity mode. In this work, we demonstrate that low-<jats:italic>Q</jats:italic> cavities can be beneficial for preparing specific electronic steady states when certain quantum states of light are applied. We investigate the interaction between quantum light with various statistics and matter represented by a Λ-type three-level system in lossy cavities, assuming that cavity losses are the dominant loss mechanism. We show that cavity losses lead to non-trivial electronic steady states that can be controlled by the loss rate and the initial statistics of the quantum fields. We discuss the mechanism of the formation of such steady states on the basis of the equations of motion and present both analytical expressions and numerical simulations for such steady states.</jats:p>","lang":"eng"}],"publication":"New Journal of Physics","type":"journal_article","language":[{"iso":"eng"}],"keyword":["General Physics and Astronomy"],"article_number":"063020","department":[{"_id":"15"},{"_id":"569"},{"_id":"170"},{"_id":"293"},{"_id":"230"},{"_id":"623"},{"_id":"35"}],"user_id":"16199","_id":"37318","project":[{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"intvolume":"        24","citation":{"chicago":"Rose, Hendrik, O V Tikhonova, Torsten Meier, and Polina Sharapova. “Steady States of Λ-Type Three-Level Systems Excited by Quantum Light with Various Photon Statistics in Lossy Cavities.” <i>New Journal of Physics</i> 24, no. 6 (2022). <a href=\"https://doi.org/10.1088/1367-2630/ac74d8\">https://doi.org/10.1088/1367-2630/ac74d8</a>.","ieee":"H. Rose, O. V. Tikhonova, T. Meier, and P. Sharapova, “Steady states of Λ-type three-level systems excited by quantum light with various photon statistics in lossy cavities,” <i>New Journal of Physics</i>, vol. 24, no. 6, Art. no. 063020, 2022, doi: <a href=\"https://doi.org/10.1088/1367-2630/ac74d8\">10.1088/1367-2630/ac74d8</a>.","ama":"Rose H, Tikhonova OV, Meier T, Sharapova P. Steady states of Λ-type three-level systems excited by quantum light with various photon statistics in lossy cavities. <i>New Journal of Physics</i>. 2022;24(6). doi:<a href=\"https://doi.org/10.1088/1367-2630/ac74d8\">10.1088/1367-2630/ac74d8</a>","apa":"Rose, H., Tikhonova, O. V., Meier, T., &#38; Sharapova, P. (2022). Steady states of Λ-type three-level systems excited by quantum light with various photon statistics in lossy cavities. <i>New Journal of Physics</i>, <i>24</i>(6), Article 063020. <a href=\"https://doi.org/10.1088/1367-2630/ac74d8\">https://doi.org/10.1088/1367-2630/ac74d8</a>","bibtex":"@article{Rose_Tikhonova_Meier_Sharapova_2022, title={Steady states of Λ-type three-level systems excited by quantum light with various photon statistics in lossy cavities}, volume={24}, DOI={<a href=\"https://doi.org/10.1088/1367-2630/ac74d8\">10.1088/1367-2630/ac74d8</a>}, number={6063020}, journal={New Journal of Physics}, publisher={IOP Publishing}, author={Rose, Hendrik and Tikhonova, O V and Meier, Torsten and Sharapova, Polina}, year={2022} }","short":"H. Rose, O.V. Tikhonova, T. Meier, P. Sharapova, New Journal of Physics 24 (2022).","mla":"Rose, Hendrik, et al. “Steady States of Λ-Type Three-Level Systems Excited by Quantum Light with Various Photon Statistics in Lossy Cavities.” <i>New Journal of Physics</i>, vol. 24, no. 6, 063020, IOP Publishing, 2022, doi:<a href=\"https://doi.org/10.1088/1367-2630/ac74d8\">10.1088/1367-2630/ac74d8</a>."},"year":"2022","issue":"6","publication_identifier":{"issn":["1367-2630"]},"publication_status":"published","doi":"10.1088/1367-2630/ac74d8","title":"Steady states of Λ-type three-level systems excited by quantum light with various photon statistics in lossy cavities","volume":24,"date_created":"2023-01-18T10:56:13Z","author":[{"first_name":"Hendrik","orcid":"0000-0002-3079-5428","last_name":"Rose","full_name":"Rose, Hendrik","id":"55958"},{"first_name":"O V","last_name":"Tikhonova","full_name":"Tikhonova, O V"},{"last_name":"Meier","orcid":"0000-0001-8864-2072","id":"344","full_name":"Meier, Torsten","first_name":"Torsten"},{"first_name":"Polina","full_name":"Sharapova, Polina","id":"60286","last_name":"Sharapova"}],"publisher":"IOP Publishing","date_updated":"2023-04-20T14:51:09Z"},{"year":"2022","issue":"20","title":"Multiple Rabi rotations of trions in InGaAs quantum dots observed by photon echo spectroscopy with spatially shaped laser pulses","publisher":"American Physical Society (APS)","date_created":"2023-01-18T10:58:12Z","publication":"Physical Review B","language":[{"iso":"eng"}],"citation":{"chicago":"Grisard, S., Hendrik Rose, A. V. Trifonov, R. Reichhardt, D. E. Reiter, Matthias Reichelt, C. Schneider, et al. “Multiple Rabi Rotations of Trions in InGaAs Quantum Dots Observed by Photon Echo Spectroscopy with Spatially Shaped Laser Pulses.” <i>Physical Review B</i> 106, no. 20 (2022). <a href=\"https://doi.org/10.1103/physrevb.106.205408\">https://doi.org/10.1103/physrevb.106.205408</a>.","ieee":"S. Grisard <i>et al.</i>, “Multiple Rabi rotations of trions in InGaAs quantum dots observed by photon echo spectroscopy with spatially shaped laser pulses,” <i>Physical Review B</i>, vol. 106, no. 20, Art. no. 205408, 2022, doi: <a href=\"https://doi.org/10.1103/physrevb.106.205408\">10.1103/physrevb.106.205408</a>.","ama":"Grisard S, Rose H, Trifonov AV, et al. Multiple Rabi rotations of trions in InGaAs quantum dots observed by photon echo spectroscopy with spatially shaped laser pulses. <i>Physical Review B</i>. 2022;106(20). doi:<a href=\"https://doi.org/10.1103/physrevb.106.205408\">10.1103/physrevb.106.205408</a>","apa":"Grisard, S., Rose, H., Trifonov, A. V., Reichhardt, R., Reiter, D. E., Reichelt, M., Schneider, C., Kamp, M., Höfling, S., Bayer, M., Meier, T., &#38; Akimov, I. A. (2022). Multiple Rabi rotations of trions in InGaAs quantum dots observed by photon echo spectroscopy with spatially shaped laser pulses. <i>Physical Review B</i>, <i>106</i>(20), Article 205408. <a href=\"https://doi.org/10.1103/physrevb.106.205408\">https://doi.org/10.1103/physrevb.106.205408</a>","mla":"Grisard, S., et al. “Multiple Rabi Rotations of Trions in InGaAs Quantum Dots Observed by Photon Echo Spectroscopy with Spatially Shaped Laser Pulses.” <i>Physical Review B</i>, vol. 106, no. 20, 205408, American Physical Society (APS), 2022, doi:<a href=\"https://doi.org/10.1103/physrevb.106.205408\">10.1103/physrevb.106.205408</a>.","bibtex":"@article{Grisard_Rose_Trifonov_Reichhardt_Reiter_Reichelt_Schneider_Kamp_Höfling_Bayer_et al._2022, title={Multiple Rabi rotations of trions in InGaAs quantum dots observed by photon echo spectroscopy with spatially shaped laser pulses}, volume={106}, DOI={<a href=\"https://doi.org/10.1103/physrevb.106.205408\">10.1103/physrevb.106.205408</a>}, number={20205408}, journal={Physical Review B}, publisher={American Physical Society (APS)}, author={Grisard, S. and Rose, Hendrik and Trifonov, A. V. and Reichhardt, R. and Reiter, D. E. and Reichelt, Matthias and Schneider, C. and Kamp, M. and Höfling, S. and Bayer, M. and et al.}, year={2022} }","short":"S. Grisard, H. Rose, A.V. Trifonov, R. Reichhardt, D.E. Reiter, M. Reichelt, C. Schneider, M. Kamp, S. Höfling, M. Bayer, T. Meier, I.A. Akimov, Physical Review B 106 (2022)."},"intvolume":"       106","publication_status":"published","publication_identifier":{"issn":["2469-9950","2469-9969"]},"doi":"10.1103/physrevb.106.205408","date_updated":"2023-04-20T14:53:19Z","author":[{"last_name":"Grisard","full_name":"Grisard, S.","first_name":"S."},{"first_name":"Hendrik","full_name":"Rose, Hendrik","id":"55958","last_name":"Rose","orcid":"0000-0002-3079-5428"},{"last_name":"Trifonov","full_name":"Trifonov, A. V.","first_name":"A. V."},{"last_name":"Reichhardt","full_name":"Reichhardt, R.","first_name":"R."},{"full_name":"Reiter, D. E.","last_name":"Reiter","first_name":"D. E."},{"full_name":"Reichelt, Matthias","id":"138","last_name":"Reichelt","first_name":"Matthias"},{"first_name":"C.","full_name":"Schneider, C.","last_name":"Schneider"},{"last_name":"Kamp","full_name":"Kamp, M.","first_name":"M."},{"last_name":"Höfling","full_name":"Höfling, S.","first_name":"S."},{"first_name":"M.","last_name":"Bayer","full_name":"Bayer, M."},{"first_name":"Torsten","last_name":"Meier","orcid":"0000-0001-8864-2072","id":"344","full_name":"Meier, Torsten"},{"full_name":"Akimov, I. A.","last_name":"Akimov","first_name":"I. A."}],"volume":106,"status":"public","type":"journal_article","article_number":"205408","project":[{"name":"TRR 142: TRR 142","_id":"53"},{"name":"TRR 142 - A: TRR 142 - Project Area A","_id":"54"},{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"_id":"37319","user_id":"16199","department":[{"_id":"15"},{"_id":"170"},{"_id":"293"},{"_id":"230"},{"_id":"623"},{"_id":"35"},{"_id":"429"}]},{"year":"2022","citation":{"ieee":"H. Rose, O. V. Tikhonova, T. Meier, and P. Sharapova, “Theoretical analysis of correlations between two quantum fields exciting a three-level system using the cluster-expansion approach,” in <i>Ultrafast Phenomena and Nanophotonics XXVI</i>, 2022, vol. 11999, doi: <a href=\"https://doi.org/10.1117/12.2608528\">10.1117/12.2608528</a>.","chicago":"Rose, Hendrik, Olga V. Tikhonova, Torsten Meier, and Polina Sharapova. “Theoretical Analysis of Correlations between Two Quantum Fields Exciting a Three-Level System Using the Cluster-Expansion Approach.” In <i>Ultrafast Phenomena and Nanophotonics XXVI</i>, edited by Markus Betz and Abdulhakem Y. Elezzabi, Vol. 11999. SPIE Proceedings, 2022. <a href=\"https://doi.org/10.1117/12.2608528\">https://doi.org/10.1117/12.2608528</a>.","ama":"Rose H, Tikhonova OV, Meier T, Sharapova P. Theoretical analysis of correlations between two quantum fields exciting a three-level system using the cluster-expansion approach. In: Betz M, Elezzabi AY, eds. <i>Ultrafast Phenomena and Nanophotonics XXVI</i>. Vol 11999. SPIE Proceedings. ; 2022. doi:<a href=\"https://doi.org/10.1117/12.2608528\">10.1117/12.2608528</a>","apa":"Rose, H., Tikhonova, O. V., Meier, T., &#38; Sharapova, P. (2022). Theoretical analysis of correlations between two quantum fields exciting a three-level system using the cluster-expansion approach. In M. Betz &#38; A. Y. Elezzabi (Eds.), <i>Ultrafast Phenomena and Nanophotonics XXVI</i> (Vol. 11999). <a href=\"https://doi.org/10.1117/12.2608528\">https://doi.org/10.1117/12.2608528</a>","short":"H. Rose, O.V. Tikhonova, T. Meier, P. Sharapova, in: M. Betz, A.Y. Elezzabi (Eds.), Ultrafast Phenomena and Nanophotonics XXVI, 2022.","bibtex":"@inproceedings{Rose_Tikhonova_Meier_Sharapova_2022, series={SPIE Proceedings}, title={Theoretical analysis of correlations between two quantum fields exciting a three-level system using the cluster-expansion approach}, volume={11999}, DOI={<a href=\"https://doi.org/10.1117/12.2608528\">10.1117/12.2608528</a>}, booktitle={Ultrafast Phenomena and Nanophotonics XXVI}, author={Rose, Hendrik and Tikhonova, Olga V. and Meier, Torsten and Sharapova, Polina}, editor={Betz, Markus and Elezzabi, Abdulhakem Y.}, year={2022}, collection={SPIE Proceedings} }","mla":"Rose, Hendrik, et al. “Theoretical Analysis of Correlations between Two Quantum Fields Exciting a Three-Level System Using the Cluster-Expansion Approach.” <i>Ultrafast Phenomena and Nanophotonics XXVI</i>, edited by Markus Betz and Abdulhakem Y. Elezzabi, vol. 11999, 2022, doi:<a href=\"https://doi.org/10.1117/12.2608528\">10.1117/12.2608528</a>."},"intvolume":"     11999","publication_status":"published","title":"Theoretical analysis of correlations between two quantum fields exciting a three-level system using the cluster-expansion approach","doi":"10.1117/12.2608528","date_updated":"2023-04-20T14:51:31Z","author":[{"last_name":"Rose","orcid":"0000-0002-3079-5428","id":"55958","full_name":"Rose, Hendrik","first_name":"Hendrik"},{"full_name":"Tikhonova, Olga V.","last_name":"Tikhonova","first_name":"Olga V."},{"first_name":"Torsten","full_name":"Meier, Torsten","id":"344","orcid":"0000-0001-8864-2072","last_name":"Meier"},{"first_name":"Polina","id":"60286","full_name":"Sharapova, Polina","last_name":"Sharapova"}],"date_created":"2023-01-18T11:19:54Z","volume":11999,"editor":[{"last_name":"Betz","full_name":"Betz, Markus","first_name":"Markus"},{"first_name":"Abdulhakem Y.","last_name":"Elezzabi","full_name":"Elezzabi, Abdulhakem Y."}],"status":"public","type":"conference","publication":"Ultrafast Phenomena and Nanophotonics XXVI","language":[{"iso":"eng"}],"project":[{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"_id":"37327","user_id":"16199","series_title":"SPIE Proceedings","department":[{"_id":"15"},{"_id":"569"},{"_id":"170"},{"_id":"293"},{"_id":"230"},{"_id":"623"},{"_id":"35"}]},{"author":[{"first_name":"B.","last_name":"Jonas","full_name":"Jonas, B."},{"first_name":"Dirk Florian","full_name":"Heinze, Dirk Florian","id":"10904","last_name":"Heinze"},{"first_name":"E.","full_name":"Schöll, E.","last_name":"Schöll"},{"first_name":"P.","last_name":"Kallert","full_name":"Kallert, P."},{"last_name":"Langer","full_name":"Langer, T.","first_name":"T."},{"last_name":"Krehs","full_name":"Krehs, S.","first_name":"S."},{"first_name":"A.","last_name":"Widhalm","full_name":"Widhalm, A."},{"first_name":"Klaus","id":"85353","full_name":"Jöns, Klaus","last_name":"Jöns"},{"first_name":"Dirk","id":"37763","full_name":"Reuter, Dirk","last_name":"Reuter"},{"first_name":"Stefan","orcid":"0000-0003-4042-4951","last_name":"Schumacher","id":"27271","full_name":"Schumacher, Stefan"},{"first_name":"Artur","orcid":"0000-0002-5190-0944","last_name":"Zrenner","full_name":"Zrenner, Artur","id":"606"}],"volume":13,"date_updated":"2023-04-20T15:18:31Z","doi":"10.1038/s41467-022-28993-3","publication_status":"published","publication_identifier":{"issn":["2041-1723"]},"citation":{"mla":"Jonas, B., et al. “Nonlinear Down-Conversion in a Single Quantum Dot.” <i>Nature Communications</i>, vol. 13, no. 1, 1387, Springer Science and Business Media LLC, 2022, doi:<a href=\"https://doi.org/10.1038/s41467-022-28993-3\">10.1038/s41467-022-28993-3</a>.","bibtex":"@article{Jonas_Heinze_Schöll_Kallert_Langer_Krehs_Widhalm_Jöns_Reuter_Schumacher_et al._2022, title={Nonlinear down-conversion in a single quantum dot}, volume={13}, DOI={<a href=\"https://doi.org/10.1038/s41467-022-28993-3\">10.1038/s41467-022-28993-3</a>}, number={11387}, journal={Nature Communications}, publisher={Springer Science and Business Media LLC}, author={Jonas, B. and Heinze, Dirk Florian and Schöll, E. and Kallert, P. and Langer, T. and Krehs, S. and Widhalm, A. and Jöns, Klaus and Reuter, Dirk and Schumacher, Stefan and et al.}, year={2022} }","short":"B. Jonas, D.F. Heinze, E. Schöll, P. Kallert, T. Langer, S. Krehs, A. Widhalm, K. Jöns, D. Reuter, S. Schumacher, A. Zrenner, Nature Communications 13 (2022).","apa":"Jonas, B., Heinze, D. F., Schöll, E., Kallert, P., Langer, T., Krehs, S., Widhalm, A., Jöns, K., Reuter, D., Schumacher, S., &#38; Zrenner, A. (2022). Nonlinear down-conversion in a single quantum dot. <i>Nature Communications</i>, <i>13</i>(1), Article 1387. <a href=\"https://doi.org/10.1038/s41467-022-28993-3\">https://doi.org/10.1038/s41467-022-28993-3</a>","ieee":"B. Jonas <i>et al.</i>, “Nonlinear down-conversion in a single quantum dot,” <i>Nature Communications</i>, vol. 13, no. 1, Art. no. 1387, 2022, doi: <a href=\"https://doi.org/10.1038/s41467-022-28993-3\">10.1038/s41467-022-28993-3</a>.","chicago":"Jonas, B., Dirk Florian Heinze, E. Schöll, P. Kallert, T. Langer, S. Krehs, A. Widhalm, et al. “Nonlinear Down-Conversion in a Single Quantum Dot.” <i>Nature Communications</i> 13, no. 1 (2022). <a href=\"https://doi.org/10.1038/s41467-022-28993-3\">https://doi.org/10.1038/s41467-022-28993-3</a>.","ama":"Jonas B, Heinze DF, Schöll E, et al. Nonlinear down-conversion in a single quantum dot. <i>Nature Communications</i>. 2022;13(1). doi:<a href=\"https://doi.org/10.1038/s41467-022-28993-3\">10.1038/s41467-022-28993-3</a>"},"intvolume":"        13","user_id":"16199","department":[{"_id":"15"},{"_id":"297"},{"_id":"230"},{"_id":"429"},{"_id":"27"},{"_id":"623"},{"_id":"170"},{"_id":"35"}],"project":[{"_id":"53","name":"TRR 142: TRR 142"},{"name":"TRR 142 - A: TRR 142 - Project Area A","_id":"54"},{"_id":"60","name":"TRR 142 - A03: TRR 142 - Subproject A03"},{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"_id":"40523","article_number":"1387","type":"journal_article","status":"public","date_created":"2023-01-27T13:41:42Z","publisher":"Springer Science and Business Media LLC","title":"Nonlinear down-conversion in a single quantum dot","issue":"1","year":"2022","language":[{"iso":"eng"}],"keyword":["General Physics and Astronomy","General Biochemistry","Genetics and Molecular Biology","General Chemistry","Multidisciplinary"],"publication":"Nature Communications","abstract":[{"text":"<jats:title>Abstract</jats:title><jats:p>Tailored nanoscale quantum light sources, matching the specific needs of use cases, are crucial building blocks for photonic quantum technologies. Several different approaches to realize solid-state quantum emitters with high performance have been pursued and different concepts for energy tuning have been established. However, the properties of the emitted photons are always defined by the individual quantum emitter and can therefore not be controlled with full flexibility. Here we introduce an all-optical nonlinear method to tailor and control the single photon emission. We demonstrate a laser-controlled down-conversion process from an excited state of a semiconductor quantum three-level system. Based on this concept, we realize energy tuning and polarization control of the single photon emission with a control-laser field. Our results mark an important step towards tailored single photon emission from a photonic quantum system based on quantum optical principles.</jats:p>","lang":"eng"}]},{"year":"2022","issue":"4","title":"Pulse shaping for on-demand emission of single Raman photons from a quantum-dot biexciton","date_created":"2023-01-26T15:45:42Z","publisher":"American Physical Society (APS)","publication":"Physical Review B","language":[{"iso":"eng"}],"intvolume":"       105","citation":{"apa":"Praschan, T., Heinze, D., Breddermann, D., Zrenner, A., Walther, A., &#38; Schumacher, S. (2022). Pulse shaping for on-demand emission of single Raman photons from a quantum-dot biexciton. <i>Physical Review B</i>, <i>105</i>(4), Article 045302. <a href=\"https://doi.org/10.1103/physrevb.105.045302\">https://doi.org/10.1103/physrevb.105.045302</a>","short":"T. Praschan, D. Heinze, D. Breddermann, A. Zrenner, A. Walther, S. Schumacher, Physical Review B 105 (2022).","bibtex":"@article{Praschan_Heinze_Breddermann_Zrenner_Walther_Schumacher_2022, title={Pulse shaping for on-demand emission of single Raman photons from a quantum-dot biexciton}, volume={105}, DOI={<a href=\"https://doi.org/10.1103/physrevb.105.045302\">10.1103/physrevb.105.045302</a>}, number={4045302}, journal={Physical Review B}, publisher={American Physical Society (APS)}, author={Praschan, Tom and Heinze, Dirk and Breddermann, Dominik and Zrenner, Artur and Walther, Andrea and Schumacher, Stefan}, year={2022} }","mla":"Praschan, Tom, et al. “Pulse Shaping for On-Demand Emission of Single Raman Photons from a Quantum-Dot Biexciton.” <i>Physical Review B</i>, vol. 105, no. 4, 045302, American Physical Society (APS), 2022, doi:<a href=\"https://doi.org/10.1103/physrevb.105.045302\">10.1103/physrevb.105.045302</a>.","ama":"Praschan T, Heinze D, Breddermann D, Zrenner A, Walther A, Schumacher S. Pulse shaping for on-demand emission of single Raman photons from a quantum-dot biexciton. <i>Physical Review B</i>. 2022;105(4). doi:<a href=\"https://doi.org/10.1103/physrevb.105.045302\">10.1103/physrevb.105.045302</a>","chicago":"Praschan, Tom, Dirk Heinze, Dominik Breddermann, Artur Zrenner, Andrea Walther, and Stefan Schumacher. “Pulse Shaping for On-Demand Emission of Single Raman Photons from a Quantum-Dot Biexciton.” <i>Physical Review B</i> 105, no. 4 (2022). <a href=\"https://doi.org/10.1103/physrevb.105.045302\">https://doi.org/10.1103/physrevb.105.045302</a>.","ieee":"T. Praschan, D. Heinze, D. Breddermann, A. Zrenner, A. Walther, and S. Schumacher, “Pulse shaping for on-demand emission of single Raman photons from a quantum-dot biexciton,” <i>Physical Review B</i>, vol. 105, no. 4, Art. no. 045302, 2022, doi: <a href=\"https://doi.org/10.1103/physrevb.105.045302\">10.1103/physrevb.105.045302</a>."},"publication_identifier":{"issn":["2469-9950","2469-9969"]},"publication_status":"published","doi":"10.1103/physrevb.105.045302","volume":105,"author":[{"last_name":"Praschan","full_name":"Praschan, Tom","first_name":"Tom"},{"full_name":"Heinze, Dirk","last_name":"Heinze","first_name":"Dirk"},{"full_name":"Breddermann, Dominik","last_name":"Breddermann","first_name":"Dominik"},{"last_name":"Zrenner","orcid":"0000-0002-5190-0944","full_name":"Zrenner, Artur","id":"606","first_name":"Artur"},{"last_name":"Walther","full_name":"Walther, Andrea","first_name":"Andrea"},{"orcid":"0000-0003-4042-4951","last_name":"Schumacher","full_name":"Schumacher, Stefan","id":"27271","first_name":"Stefan"}],"date_updated":"2023-04-20T15:19:24Z","status":"public","type":"journal_article","article_number":"045302","department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"290"},{"_id":"230"},{"_id":"429"},{"_id":"623"},{"_id":"35"}],"user_id":"16199","_id":"40431","project":[{"_id":"53","name":"TRR 142: TRR 142"},{"name":"TRR 142 - A: TRR 142 - Project Area A","_id":"54"},{"name":"TRR 142 - A3: TRR 142 - Subproject A3","_id":"60"},{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}]},{"title":"DC Ionic Conductivity in KTP and Its Isomorphs: Properties, Methods for Suppression, and Its Connection to Gray Tracking","doi":"10.3390/cryst12101359","main_file_link":[{"open_access":"1"}],"date_updated":"2023-04-21T11:07:11Z","oa":"1","volume":12,"author":[{"full_name":"Padberg, Laura","id":"40300","last_name":"Padberg","first_name":"Laura"},{"last_name":"Quiring","full_name":"Quiring, Viktor","first_name":"Viktor"},{"last_name":"Bocchini","orcid":"0000-0002-2134-3075","id":"58349","full_name":"Bocchini, Adriana","first_name":"Adriana"},{"first_name":"Matteo","id":"55095","full_name":"Santandrea, Matteo","last_name":"Santandrea","orcid":"0000-0001-5718-358X"},{"first_name":"Uwe","full_name":"Gerstmann, Uwe","id":"171","orcid":"0000-0002-4476-223X","last_name":"Gerstmann"},{"first_name":"Wolf Gero","orcid":"0000-0002-2717-5076","last_name":"Schmidt","full_name":"Schmidt, Wolf Gero","id":"468"},{"last_name":"Silberhorn","id":"26263","full_name":"Silberhorn, Christine","first_name":"Christine"},{"full_name":"Eigner, Christof","id":"13244","last_name":"Eigner","orcid":"https://orcid.org/0000-0002-5693-3083","first_name":"Christof"}],"date_created":"2022-09-26T13:12:48Z","year":"2022","page":"1359","intvolume":"        12","citation":{"ama":"Padberg L, Quiring V, Bocchini A, et al. DC Ionic Conductivity in KTP and Its Isomorphs: Properties, Methods for Suppression, and Its Connection to Gray Tracking. <i>Crystals</i>. 2022;12:1359. doi:<a href=\"https://doi.org/10.3390/cryst12101359\">10.3390/cryst12101359</a>","chicago":"Padberg, Laura, Viktor Quiring, Adriana Bocchini, Matteo Santandrea, Uwe Gerstmann, Wolf Gero Schmidt, Christine Silberhorn, and Christof Eigner. “DC Ionic Conductivity in KTP and Its Isomorphs: Properties, Methods for Suppression, and Its Connection to Gray Tracking.” <i>Crystals</i> 12 (2022): 1359. <a href=\"https://doi.org/10.3390/cryst12101359\">https://doi.org/10.3390/cryst12101359</a>.","ieee":"L. Padberg <i>et al.</i>, “DC Ionic Conductivity in KTP and Its Isomorphs: Properties, Methods for Suppression, and Its Connection to Gray Tracking,” <i>Crystals</i>, vol. 12, p. 1359, 2022, doi: <a href=\"https://doi.org/10.3390/cryst12101359\">10.3390/cryst12101359</a>.","bibtex":"@article{Padberg_Quiring_Bocchini_Santandrea_Gerstmann_Schmidt_Silberhorn_Eigner_2022, title={DC Ionic Conductivity in KTP and Its Isomorphs: Properties, Methods for Suppression, and Its Connection to Gray Tracking}, volume={12}, DOI={<a href=\"https://doi.org/10.3390/cryst12101359\">10.3390/cryst12101359</a>}, journal={Crystals}, author={Padberg, Laura and Quiring, Viktor and Bocchini, Adriana and Santandrea, Matteo and Gerstmann, Uwe and Schmidt, Wolf Gero and Silberhorn, Christine and Eigner, Christof}, year={2022}, pages={1359} }","short":"L. Padberg, V. Quiring, A. Bocchini, M. Santandrea, U. Gerstmann, W.G. Schmidt, C. Silberhorn, C. Eigner, Crystals 12 (2022) 1359.","mla":"Padberg, Laura, et al. “DC Ionic Conductivity in KTP and Its Isomorphs: Properties, Methods for Suppression, and Its Connection to Gray Tracking.” <i>Crystals</i>, vol. 12, 2022, p. 1359, doi:<a href=\"https://doi.org/10.3390/cryst12101359\">10.3390/cryst12101359</a>.","apa":"Padberg, L., Quiring, V., Bocchini, A., Santandrea, M., Gerstmann, U., Schmidt, W. G., Silberhorn, C., &#38; Eigner, C. (2022). DC Ionic Conductivity in KTP and Its Isomorphs: Properties, Methods for Suppression, and Its Connection to Gray Tracking. <i>Crystals</i>, <i>12</i>, 1359. <a href=\"https://doi.org/10.3390/cryst12101359\">https://doi.org/10.3390/cryst12101359</a>"},"publication_identifier":{"issn":["2073-4352"]},"language":[{"iso":"eng"}],"_id":"33484","project":[{"name":"TRR 142: TRR 142","_id":"53"},{"_id":"55","name":"TRR 142 - B: TRR 142 - Project Area B"},{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"},{"_id":"168","name":"TRR 142 - B07: TRR 142 - Subproject B07"},{"name":"TRR 142 - A: TRR 142 - Project Area A","_id":"54"},{"name":"TRR 142 - A11: TRR 142 - Subproject A11","_id":"166"}],"department":[{"_id":"15"},{"_id":"288"},{"_id":"623"},{"_id":"170"},{"_id":"295"},{"_id":"230"},{"_id":"429"},{"_id":"35"},{"_id":"790"}],"user_id":"171","abstract":[{"text":"We study the DC conductivity in potassium titanyl phosphate (KTiOPO4, KTP) and its isomorphs KTiOAsO4 (KTA) and Rb1%K99%TiOPO4 (RKTP) and introduce a method by which to reduce the overall ionic conductivity in KTP by a potassium nitrate treatment. Furthermore, we create so-called gray tracking in KTP and investigate the ionic conductivity in theses areas. A local unintended reduction of the ionic conductivity is observed in the gray-tracked regions, which also induce additional optical absorption in the material. We show that a thermal treatment in an oxygen-rich atmosphere removes the gray tracking and brings the ionic conductivity as well as the optical transmission back to the original level. These studies can help to choose the best material and treatment for specific applications.","lang":"eng"}],"status":"public","publication":"Crystals","type":"journal_article"},{"issue":"26","year":"2022","publisher":"American Physical Society (APS)","date_created":"2022-12-23T07:57:24Z","title":"Direct Measurement of Higher-Order Nonlinear Polarization Squeezing","publication":"Physical Review Letters","keyword":["General Physics and Astronomy"],"language":[{"iso":"eng"}],"publication_identifier":{"issn":["0031-9007","1079-7114"]},"publication_status":"published","intvolume":"       129","citation":{"short":"N. Prasannan, J. Sperling, B. Brecht, C. Silberhorn, Physical Review Letters 129 (2022).","bibtex":"@article{Prasannan_Sperling_Brecht_Silberhorn_2022, title={Direct Measurement of Higher-Order Nonlinear Polarization Squeezing}, volume={129}, DOI={<a href=\"https://doi.org/10.1103/physrevlett.129.263601\">10.1103/physrevlett.129.263601</a>}, number={26263601}, journal={Physical Review Letters}, publisher={American Physical Society (APS)}, author={Prasannan, Nidhin and Sperling, Jan and Brecht, Benjamin and Silberhorn, Christine}, year={2022} }","mla":"Prasannan, Nidhin, et al. “Direct Measurement of Higher-Order Nonlinear Polarization Squeezing.” <i>Physical Review Letters</i>, vol. 129, no. 26, 263601, American Physical Society (APS), 2022, doi:<a href=\"https://doi.org/10.1103/physrevlett.129.263601\">10.1103/physrevlett.129.263601</a>.","apa":"Prasannan, N., Sperling, J., Brecht, B., &#38; Silberhorn, C. (2022). Direct Measurement of Higher-Order Nonlinear Polarization Squeezing. <i>Physical Review Letters</i>, <i>129</i>(26), Article 263601. <a href=\"https://doi.org/10.1103/physrevlett.129.263601\">https://doi.org/10.1103/physrevlett.129.263601</a>","ieee":"N. Prasannan, J. Sperling, B. Brecht, and C. Silberhorn, “Direct Measurement of Higher-Order Nonlinear Polarization Squeezing,” <i>Physical Review Letters</i>, vol. 129, no. 26, Art. no. 263601, 2022, doi: <a href=\"https://doi.org/10.1103/physrevlett.129.263601\">10.1103/physrevlett.129.263601</a>.","chicago":"Prasannan, Nidhin, Jan Sperling, Benjamin Brecht, and Christine Silberhorn. “Direct Measurement of Higher-Order Nonlinear Polarization Squeezing.” <i>Physical Review Letters</i> 129, no. 26 (2022). <a href=\"https://doi.org/10.1103/physrevlett.129.263601\">https://doi.org/10.1103/physrevlett.129.263601</a>.","ama":"Prasannan N, Sperling J, Brecht B, Silberhorn C. Direct Measurement of Higher-Order Nonlinear Polarization Squeezing. <i>Physical Review Letters</i>. 2022;129(26). doi:<a href=\"https://doi.org/10.1103/physrevlett.129.263601\">10.1103/physrevlett.129.263601</a>"},"date_updated":"2023-04-20T15:15:18Z","volume":129,"author":[{"last_name":"Prasannan","full_name":"Prasannan, Nidhin","id":"71403","first_name":"Nidhin"},{"first_name":"Jan","full_name":"Sperling, Jan","id":"75127","last_name":"Sperling","orcid":"0000-0002-5844-3205"},{"orcid":"0000-0003-4140-0556 ","last_name":"Brecht","full_name":"Brecht, Benjamin","id":"27150","first_name":"Benjamin"},{"last_name":"Silberhorn","full_name":"Silberhorn, Christine","id":"26263","first_name":"Christine"}],"doi":"10.1103/physrevlett.129.263601","type":"journal_article","status":"public","_id":"34884","department":[{"_id":"623"},{"_id":"15"},{"_id":"170"},{"_id":"706"},{"_id":"288"},{"_id":"230"},{"_id":"35"}],"user_id":"16199","article_number":"263601"},{"publication":"Advanced Materials","abstract":[{"text":"Inspired by plant grafting, grafted vortex beams can be formed through grafting two or more helical phase profiles of optical vortex beams. Recently, grafted perfect vortex beams (GPVBs) have attracted much attention due to their unique optical properties and potential applications. However, the current method to generate and manipulate GPVBs requires a complex and bulky optical system, hindering further investigation and limiting its practical applications. Here, a compact metasurface approach for generating and manipulating GPVBs in multiple channels is proposed and demonstrated, which eliminates the need for such a complex optical setup. A single metasurface is utilized to realize various superpositions of GPVBs with different combinations of topological charges in four channels, leading to asymmetric singularity distributions. The positions of singularities in the superimposed beam can be further modulated by introducing an initial phase difference in the metasurface design. The work demonstrates a compact metasurface platform that performs a sophisticated optical task that is very challenging with conventional optics, opening opportunities for the investigation and applications of GPVBs in a wide range of emerging application areas, such as singular optics and quantum science.","lang":"eng"}],"keyword":["Mechanical Engineering","Mechanics of Materials","General Materials Science"],"language":[{"iso":"eng"}],"quality_controlled":"1","issue":"30","year":"2022","publisher":"Wiley","date_created":"2022-06-20T11:05:50Z","title":"Multichannel Superposition of Grafted Perfect Vortex Beams","type":"journal_article","status":"public","_id":"32068","user_id":"30525","department":[{"_id":"15"},{"_id":"230"},{"_id":"289"},{"_id":"623"}],"article_type":"original","article_number":"2203044","publication_status":"published","publication_identifier":{"issn":["0935-9648","1521-4095"]},"citation":{"ama":"Ahmed H, Intaravanne Y, Ming Y, et al. Multichannel Superposition of Grafted Perfect Vortex Beams. <i>Advanced Materials</i>. 2022;34(30). doi:<a href=\"https://doi.org/10.1002/adma.202203044\">10.1002/adma.202203044</a>","ieee":"H. Ahmed <i>et al.</i>, “Multichannel Superposition of Grafted Perfect Vortex Beams,” <i>Advanced Materials</i>, vol. 34, no. 30, Art. no. 2203044, 2022, doi: <a href=\"https://doi.org/10.1002/adma.202203044\">10.1002/adma.202203044</a>.","chicago":"Ahmed, Hammad, Yuttana Intaravanne, Yang Ming, Muhammad Afnan Ansari, Gerald S. Buller, Thomas Zentgraf, and Xianzhong Chen. “Multichannel Superposition of Grafted Perfect Vortex Beams.” <i>Advanced Materials</i> 34, no. 30 (2022). <a href=\"https://doi.org/10.1002/adma.202203044\">https://doi.org/10.1002/adma.202203044</a>.","mla":"Ahmed, Hammad, et al. “Multichannel Superposition of Grafted Perfect Vortex Beams.” <i>Advanced Materials</i>, vol. 34, no. 30, 2203044, Wiley, 2022, doi:<a href=\"https://doi.org/10.1002/adma.202203044\">10.1002/adma.202203044</a>.","short":"H. Ahmed, Y. Intaravanne, Y. Ming, M.A. Ansari, G.S. Buller, T. Zentgraf, X. Chen, Advanced Materials 34 (2022).","bibtex":"@article{Ahmed_Intaravanne_Ming_Ansari_Buller_Zentgraf_Chen_2022, title={Multichannel Superposition of Grafted Perfect Vortex Beams}, volume={34}, DOI={<a href=\"https://doi.org/10.1002/adma.202203044\">10.1002/adma.202203044</a>}, number={302203044}, journal={Advanced Materials}, publisher={Wiley}, author={Ahmed, Hammad and Intaravanne, Yuttana and Ming, Yang and Ansari, Muhammad Afnan and Buller, Gerald S. and Zentgraf, Thomas and Chen, Xianzhong}, year={2022} }","apa":"Ahmed, H., Intaravanne, Y., Ming, Y., Ansari, M. A., Buller, G. S., Zentgraf, T., &#38; Chen, X. (2022). Multichannel Superposition of Grafted Perfect Vortex Beams. <i>Advanced Materials</i>, <i>34</i>(30), Article 2203044. <a href=\"https://doi.org/10.1002/adma.202203044\">https://doi.org/10.1002/adma.202203044</a>"},"intvolume":"        34","date_updated":"2023-05-12T11:20:44Z","author":[{"first_name":"Hammad","full_name":"Ahmed, Hammad","last_name":"Ahmed"},{"last_name":"Intaravanne","full_name":"Intaravanne, Yuttana","first_name":"Yuttana"},{"full_name":"Ming, Yang","last_name":"Ming","first_name":"Yang"},{"full_name":"Ansari, Muhammad Afnan","last_name":"Ansari","first_name":"Muhammad Afnan"},{"last_name":"Buller","full_name":"Buller, Gerald S.","first_name":"Gerald S."},{"first_name":"Thomas","last_name":"Zentgraf","orcid":"0000-0002-8662-1101","id":"30525","full_name":"Zentgraf, Thomas"},{"first_name":"Xianzhong","last_name":"Chen","full_name":"Chen, Xianzhong"}],"volume":34,"doi":"10.1002/adma.202203044"},{"author":[{"full_name":"Kress, Christian","id":"13256","last_name":"Kress","first_name":"Christian"},{"full_name":"Schwabe, Tobias","id":"39217","last_name":"Schwabe","first_name":"Tobias"},{"first_name":"Hanjo","last_name":"Rhee","full_name":"Rhee, Hanjo"},{"first_name":"Sarp","last_name":"Kerman","full_name":"Kerman, Sarp"},{"id":"37144","full_name":"Scheytt, J. Christoph","orcid":"https://orcid.org/0000-0002-5950-6618","last_name":"Scheytt","first_name":"J. Christoph"}],"date_created":"2022-12-06T11:04:43Z","date_updated":"2023-06-16T06:55:37Z","publisher":"Optica Publishing Group","doi":"10.1364/iprsn.2022.im4c.1","title":"Broadband Mach-Zehnder Modulator with Linear Driver in Electronic-Photonic Co-Integrated Platform","publication_status":"published","citation":{"apa":"Kress, C., Schwabe, T., Rhee, H., Kerman, S., &#38; Scheytt, J. C. (2022). Broadband Mach-Zehnder Modulator with Linear Driver in Electronic-Photonic Co-Integrated Platform. <i>Optica Advanced Photonics Congress 2022</i>. <a href=\"https://doi.org/10.1364/iprsn.2022.im4c.1\">https://doi.org/10.1364/iprsn.2022.im4c.1</a>","ama":"Kress C, Schwabe T, Rhee H, Kerman S, Scheytt JC. Broadband Mach-Zehnder Modulator with Linear Driver in Electronic-Photonic Co-Integrated Platform. In: <i>Optica Advanced Photonics Congress 2022</i>. Optica Publishing Group; 2022. doi:<a href=\"https://doi.org/10.1364/iprsn.2022.im4c.1\">10.1364/iprsn.2022.im4c.1</a>","bibtex":"@inproceedings{Kress_Schwabe_Rhee_Kerman_Scheytt_2022, title={Broadband Mach-Zehnder Modulator with Linear Driver in Electronic-Photonic Co-Integrated Platform}, DOI={<a href=\"https://doi.org/10.1364/iprsn.2022.im4c.1\">10.1364/iprsn.2022.im4c.1</a>}, booktitle={Optica Advanced Photonics Congress 2022}, publisher={Optica Publishing Group}, author={Kress, Christian and Schwabe, Tobias and Rhee, Hanjo and Kerman, Sarp and Scheytt, J. Christoph}, year={2022} }","mla":"Kress, Christian, et al. “Broadband Mach-Zehnder Modulator with Linear Driver in Electronic-Photonic Co-Integrated Platform.” <i>Optica Advanced Photonics Congress 2022</i>, Optica Publishing Group, 2022, doi:<a href=\"https://doi.org/10.1364/iprsn.2022.im4c.1\">10.1364/iprsn.2022.im4c.1</a>.","short":"C. Kress, T. Schwabe, H. Rhee, S. Kerman, J.C. Scheytt, in: Optica Advanced Photonics Congress 2022, Optica Publishing Group, 2022.","chicago":"Kress, Christian, Tobias Schwabe, Hanjo Rhee, Sarp Kerman, and J. Christoph Scheytt. “Broadband Mach-Zehnder Modulator with Linear Driver in Electronic-Photonic Co-Integrated Platform.” In <i>Optica Advanced Photonics Congress 2022</i>. Optica Publishing Group, 2022. <a href=\"https://doi.org/10.1364/iprsn.2022.im4c.1\">https://doi.org/10.1364/iprsn.2022.im4c.1</a>.","ieee":"C. Kress, T. Schwabe, H. Rhee, S. Kerman, and J. C. Scheytt, “Broadband Mach-Zehnder Modulator with Linear Driver in Electronic-Photonic Co-Integrated Platform,” 2022, doi: <a href=\"https://doi.org/10.1364/iprsn.2022.im4c.1\">10.1364/iprsn.2022.im4c.1</a>."},"year":"2022","department":[{"_id":"58"},{"_id":"230"},{"_id":"623"}],"user_id":"13256","_id":"34238","project":[{"_id":"302","name":"PONyDAC: PONyDAC II - Präziser Optischer Nyquist-Puls-Synthesizer DAC","grant_number":"403154102"},{"name":"NyPhE: NyPhE - Nyquist Silicon Photonics Engine","_id":"299","grant_number":"13N14882"}],"language":[{"iso":"eng"}],"publication":"Optica Advanced Photonics Congress 2022","type":"conference","status":"public","abstract":[{"text":"<jats:p>A monolithically integrated electronic-photonic Mach-Zehnder modulator is presented, incorporating electronic linear drivers along photonic components. An electro-optical 3 dB &amp; 6 dB bandwidth of 24 GHz and 34 GHz respectively was measured. The on-chip drivers decrease the V<jats:italic>\r\n      <jats:sub>π</jats:sub>\r\n    </jats:italic> by a factor of 10.</jats:p>","lang":"eng"}]},{"year":"2022","citation":{"short":"B. Liu, L. Huang, T. Zentgraf, in: Conference on Lasers and Electro-Optics, Optica Publishing Group, 2022.","mla":"Liu, Bingyi, et al. “Efficient Third-Harmonic Generation Control with Ultrathin Dielectric Geometric-Phase Metasurface.” <i>Conference on Lasers and Electro-Optics</i>, FTh1A.7, Optica Publishing Group, 2022, doi:<a href=\"https://doi.org/10.1364/cleo_qels.2022.fth1a.7\">10.1364/cleo_qels.2022.fth1a.7</a>.","bibtex":"@inproceedings{Liu_Huang_Zentgraf_2022, series={Technical Digest Series}, title={Efficient Third-harmonic Generation Control with Ultrathin Dielectric Geometric-phase Metasurface}, DOI={<a href=\"https://doi.org/10.1364/cleo_qels.2022.fth1a.7\">10.1364/cleo_qels.2022.fth1a.7</a>}, number={FTh1A.7}, booktitle={Conference on Lasers and Electro-Optics}, publisher={Optica Publishing Group}, author={Liu, Bingyi and Huang, Lingling and Zentgraf, Thomas}, year={2022}, collection={Technical Digest Series} }","apa":"Liu, B., Huang, L., &#38; Zentgraf, T. (2022). Efficient Third-harmonic Generation Control with Ultrathin Dielectric Geometric-phase Metasurface. <i>Conference on Lasers and Electro-Optics</i>, Article FTh1A.7. CLEO: QELS_Fundamental Science 2022, San Jose, USA. <a href=\"https://doi.org/10.1364/cleo_qels.2022.fth1a.7\">https://doi.org/10.1364/cleo_qels.2022.fth1a.7</a>","ieee":"B. Liu, L. Huang, and T. Zentgraf, “Efficient Third-harmonic Generation Control with Ultrathin Dielectric Geometric-phase Metasurface,” presented at the CLEO: QELS_Fundamental Science 2022, San Jose, USA, 2022, doi: <a href=\"https://doi.org/10.1364/cleo_qels.2022.fth1a.7\">10.1364/cleo_qels.2022.fth1a.7</a>.","chicago":"Liu, Bingyi, Lingling Huang, and Thomas Zentgraf. “Efficient Third-Harmonic Generation Control with Ultrathin Dielectric Geometric-Phase Metasurface.” In <i>Conference on Lasers and Electro-Optics</i>. Technical Digest Series. Optica Publishing Group, 2022. <a href=\"https://doi.org/10.1364/cleo_qels.2022.fth1a.7\">https://doi.org/10.1364/cleo_qels.2022.fth1a.7</a>.","ama":"Liu B, Huang L, Zentgraf T. Efficient Third-harmonic Generation Control with Ultrathin Dielectric Geometric-phase Metasurface. In: <i>Conference on Lasers and Electro-Optics</i>. Technical Digest Series. Optica Publishing Group; 2022. doi:<a href=\"https://doi.org/10.1364/cleo_qels.2022.fth1a.7\">10.1364/cleo_qels.2022.fth1a.7</a>"},"publication_status":"published","title":"Efficient Third-harmonic Generation Control with Ultrathin Dielectric Geometric-phase Metasurface","conference":{"start_date":"2022-05-15","name":"CLEO: QELS_Fundamental Science 2022","location":"San Jose, USA","end_date":"2022-05-20"},"doi":"10.1364/cleo_qels.2022.fth1a.7","date_updated":"2023-08-14T08:18:20Z","publisher":"Optica Publishing Group","author":[{"first_name":"Bingyi","full_name":"Liu, Bingyi","last_name":"Liu"},{"first_name":"Lingling","full_name":"Huang, Lingling","last_name":"Huang"},{"id":"30525","full_name":"Zentgraf, Thomas","last_name":"Zentgraf","orcid":"0000-0002-8662-1101","first_name":"Thomas"}],"date_created":"2023-08-14T08:13:24Z","abstract":[{"lang":"eng","text":"Efficient third-harmonic generation control is theoretically studied. Dielectric nanostructures placed on the metallic substrate could offer effective geometric-phase modulation on third-harmonic signals by selecting proper structure rotational symmetry."}],"status":"public","type":"conference","publication":"Conference on Lasers and Electro-Optics","article_number":"FTh1A.7","language":[{"iso":"eng"}],"project":[{"grant_number":"231447078","_id":"53","name":"TRR 142: TRR 142 - Maßgeschneiderte nichtlineare Photonik: Von grundlegenden Konzepten zu funktionellen Strukturen"},{"grant_number":"231447078","_id":"170","name":"TRR 142 - B09: TRR 142 - Effiziente Erzeugung mit maßgeschneiderter optischer Phaselage der zweiten Harmonischen mittels Quasi-gebundener Zustände in GaAs Metaoberflächen (B09*)"},{"_id":"55","name":"TRR 142 - B: TRR 142 - Project Area B"}],"_id":"46484","user_id":"30525","series_title":"Technical Digest Series","department":[{"_id":"15"},{"_id":"230"},{"_id":"289"},{"_id":"623"}]}]