Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Paweł Holewa"'
Autor:
Paweł Holewa, Daniel A. Vajner, Emilia Zięba-Ostój, Maja Wasiluk, Benedek Gaál, Aurimas Sakanas, Marek Burakowski, Paweł Mrowiński, Bartosz Krajnik, Meng Xiong, Kresten Yvind, Niels Gregersen, Anna Musiał, Alexander Huck, Tobias Heindel, Marcin Syperek, Elizaveta Semenova
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-9 (2024)
Abstract Single indistinguishable photons at telecom C-band wavelengths are essential for quantum networks and the future quantum internet. However, high-throughput technology for single-photon generation at 1550 nm remained a missing building block
Externí odkaz:
https://doaj.org/article/271a4093196c4cfab24b02713667ef11
Autor:
Marcin Syperek, Raul Stühler, Armando Consiglio, Paweł Holewa, Paweł Wyborski, Łukasz Dusanowski, Felix Reis, Sven Höfling, Ronny Thomale, Werner Hanke, Ralph Claessen, Domenico Di Sante, Christian Schneider
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-7 (2022)
Here, the authors report the observation of room temperature excitons in a single layer of bismuth atoms epitaxially grown on a SiC substrate - a material of non-trivial global topology - with excitonic and topological physics deriving from the very
Externí odkaz:
https://doaj.org/article/1ac2e59141cc44bd8416f4f118143c7a
Autor:
Paweł Holewa, Marek Burakowski, Anna Musiał, Nicole Srocka, David Quandt, André Strittmatter, Sven Rodt, Stephan Reitzenstein, Grzegorz Sęk
Publikováno v:
Scientific Reports, Vol 10, Iss 1, Pp 1-9 (2020)
Abstract Single-photon sources are key building blocks in most of the emerging secure telecommunication and quantum information processing schemes. Semiconductor quantum dots (QD) have been proven to be the most prospective candidates. However, their
Externí odkaz:
https://doaj.org/article/472899499457479ba2de6becf0443ad9
Autor:
Paweł Holewa, Jakub Jasiński, Artem Shikin, Elizaveta Lebedkina, Aleksander Maryński, Marcin Syperek, Elizaveta Semenova
Publikováno v:
Materials, Vol 14, Iss 2, p 391 (2021)
The InAs/InP quantum dots (QDs) are investigated by time-integrated (PL) and time-resolved photoluminescence (TRPL) experiments. The QDs are fabricated site-selectively by droplet epitaxy technique using block copolymer lithography. The estimated QDs
Externí odkaz:
https://doaj.org/article/7d8609875c544ff38973968264ef40d0
Autor:
Paweł Mrowiński, Paweł Holewa, Aurimas Sakanas, Grzegorz Sęk, Elizaveta Semenova, Marcin Syperek
Publikováno v:
MrowińSki, P, Holewa, P, Sakanas, A, Sęk, G, Semenova, E & Syperek, M 2023, ' Optimization of heterogeneously integrated InP-Si on-chip photonic components ', Optics Express, vol. 31, no. 2, pp. 1541-1556 . https://doi.org/10.1364/OE.474259
We demonstrate comprehensive numerical studies on a hybrid III-V/Si-based waveguide system, serving as a platform for efficient light coupling between an integrated III-V quantum dot emitter to an on-chip quantum photonic integrated circuit defined o
Autor:
Grzegorz Sęk, André Strittmatter, Stephan Reitzenstein, Nicole Srocka, David Quandt, Marek Burakowski, Paweł Holewa, Anna Musiał, Sven Rodt
Publikováno v:
Scientific Reports, Vol 10, Iss 1, Pp 1-9 (2020)
Scientific Reports
Scientific Reports
Single-photon sources are key building blocks in most of the emerging secure telecommunication and quantum information processing schemes. Semiconductor quantum dots (QD) have been proven to be the most prospective candidates. However, their practica
Autor:
Marcin Syperek, Paweł Mrowiński, Elizaveta Semenova, Paweł Holewa, Aurimas Sakanas, Ugur Meric Gur, Niels Gregersen
Publikováno v:
Holewa, P, Sakanas, A, Gür, U M, Mrowiński, P, Gregersen, N, Syperek, M & Semenova, E 2021, Bright Quantum Dot Single-Photon Source at 1.55 μm Heterogeneously Integrated on Si . in Conference on Lasers and Electro-Optics . IEEE, 2021 Conference on Lasers and Electro-Optics (CLEO), San Jose, California, United States, 09/05/2021 . https://doi.org/10.1364/CLEO_SI.2021.SM1Q.2
We demonstrate high single-photon purity from an InAs/InP QD sources on Si operating at 1.55 µm. The single-photon extraction efficiency reaches up to 10% using a simple mesa structure.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e2e8f584aa109994e1acfa62ea064d17
https://orbit.dtu.dk/en/publications/45dbc3f4-0c01-41a4-9bd9-58a6210f68c9
https://orbit.dtu.dk/en/publications/45dbc3f4-0c01-41a4-9bd9-58a6210f68c9
Autor:
Paweł Holewa, Shima Kadkhodazadeh, Michał Gawełczyk, Paweł Baluta, Anna Musiał, Vladimir G. Dubrovskii, Marcin Syperek, Elizaveta Semenova
Publikováno v:
Holewa, P, Kadkhodazadeh, S, Gawelczyk, M, Baluta, P, Musial, A, Dubrovskii, V G, Syperek, M & Semenova, E 2022, ' Droplet epitaxy symmetric InAs/InP quantum dots for quantum emission in the third telecom window : morphology, optical and electronic properties ', Nanophotonics, vol. 11, no. 8, pp. 1515–1526 . https://doi.org/10.1515/nanoph-2021-0482
The rapidly developing quantum communication technology requires deterministic quantum emitters that can generate single photons and entangled photon pairs in the third telecom window, in order to be compatible with existing optical fiber networks an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b14719e5ad336c26e8b5de6a0f608ba0
Autor:
Mohamed Benyoucef, A. Maryński, Grzegorz Sęk, Michał Gawełczyk, Johann Peter Reithmaier, Marcin Syperek, Paweł Holewa, Paweł Wyborski
Publikováno v:
Physical Review Applied. 14
We present a detailed experimental optical study supported by theoretical modeling of $\mathrm{In}\mathrm{As}$ quantum dots (QDs) embedded in an $(\mathrm{In},\phantom{\rule{-1.5pt}{0ex}}\mathrm{Al},\phantom{\rule{-1.5pt}{0ex}}\mathrm{Ga})\mathrm{As}
Autor:
Artem Shikin, Jakub Jasiński, Elizaveta Lebedkina, Elizaveta Semenova, A. Maryński, Paweł Holewa, Marcin Syperek
Publikováno v:
Materials
Holewa, P, Jasiński, J, Shikin, A, Lebedkina, E, Maryński, A, Syperek, M & Semenova, E 2021, ' Optical properties of site-selectively grown inas/inp quantum dots with predefined positioning by block copolymer lithography ', Materials, vol. 14, no. 2, 391, pp. 1-17 . https://doi.org/10.3390/ma14020391
Volume 14
Issue 2
Materials, Vol 14, Iss 391, p 391 (2021)
Holewa, P, Jasiński, J, Shikin, A, Lebedkina, E, Maryński, A, Syperek, M & Semenova, E 2021, ' Optical properties of site-selectively grown inas/inp quantum dots with predefined positioning by block copolymer lithography ', Materials, vol. 14, no. 2, 391, pp. 1-17 . https://doi.org/10.3390/ma14020391
Volume 14
Issue 2
Materials, Vol 14, Iss 391, p 391 (2021)
The InAs/InP quantum dots (QDs) are investigated by time-integrated (PL) and time-resolved photoluminescence (TRPL) experiments. The QDs are fabricated site-selectively by droplet epitaxy technique using block copolymer lithography. The estimated QDs