Zobrazeno 1 - 10
of 211
pro vyhledávání: '"Tobias Heindel"'
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:
Yusuf Karli, Daniel A. Vajner, Florian Kappe, Paul C. A. Hagen, Lena M. Hansen, René Schwarz, Thomas K. Bracht, Christian Schimpf, Saimon F. Covre da Silva, Philip Walther, Armando Rastelli, Vollrath Martin Axt, Juan C. Loredo, Vikas Remesh, Tobias Heindel, Doris E. Reiter, Gregor Weihs
Publikováno v:
npj Quantum Information, Vol 10, Iss 1, Pp 1-9 (2024)
Abstract Quantum communication networks rely on quantum cryptographic protocols including quantum key distribution (QKD) based on single photons. A critical element regarding the security of QKD protocols is the photon number coherence (PNC), i.e., t
Externí odkaz:
https://doaj.org/article/4e9290a12e6a4484a0ee39c2be930cd3
Publikováno v:
npj 2D Materials and Applications, Vol 7, Iss 1, Pp 1-9 (2023)
Abstract To date, quantum communication widely relies on attenuated lasers for secret key generation. In future quantum networks, fundamental limitations resulting from their probabilistic photon distribution must be overcome by using deterministic q
Externí odkaz:
https://doaj.org/article/eb87b427241348c8aa3c79207bd372ab
Autor:
Thomas K. Bracht, Michael Cosacchi, Tim Seidelmann, Moritz Cygorek, Alexei Vagov, V. Martin Axt, Tobias Heindel, Doris E. Reiter
Publikováno v:
PRX Quantum, Vol 2, Iss 4, p 040354 (2021)
The controlled preparation of the excited state in a quantum emitter is a prerequisite for its usage as a single-photon source—a key building block for quantum technologies. In this paper, we propose a coherent excitation scheme using off-resonant
Externí odkaz:
https://doaj.org/article/2bd08c5c0eda47929821d680cd9f38f8
Publikováno v:
Application and Theory of Petri Nets and Concurrency ISBN: 9783031336195
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad233528d99242b897605a6cb8317908
https://doi.org/10.1007/978-3-031-33620-1_15
https://doi.org/10.1007/978-3-031-33620-1_15
We present a numerical investigation of directly fiber-coupled hybrid circular Bragg gratings (CBGs) featuring electrical control for operation in the application relevant wavelength regimes around 930 nm as well as the telecom O- and C-band. We use
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d9839b31e5ab4b5dbca6224598936216
http://arxiv.org/abs/2212.04883
http://arxiv.org/abs/2212.04883
Autor:
Tobias Heindel, Alexander Thoma, Ido Schwartz, Emma R. Schmidgall, Liron Gantz, Dan Cogan, Max Strauß, Peter Schnauber, Manuel Gschrey, Jan-Hindrik Schulze, Andre Strittmatter, Sven Rodt, David Gershoni, Stephan Reitzenstein
Publikováno v:
APL Photonics, Vol 2, Iss 12, Pp 121303-121303-7 (2017)
The dark exciton state in semiconductor quantum dots (QDs) constitutes a long-lived solid-state qubit which has the potential to play an important role in implementations of solid-state-based quantum information architectures. In this work, we exploi
Externí odkaz:
https://doaj.org/article/bbc35c4fdc8547b682f21c9439d37276
Autor:
Martin von Helversen, Jonas Böhm, Marco Schmidt, Manuel Gschrey, Jan-Hindrik Schulze, André Strittmatter, Sven Rodt, Jörn Beyer, Tobias Heindel, Stephan Reitzenstein
Publikováno v:
New Journal of Physics, Vol 21, Iss 3, p 035007 (2019)
Quantum-light sources based on semiconductor quantum dots (QDs) are promising candidates for many applications in quantum photonics and quantum communication. Important emission characteristics of such emitters, namely the single-photon purity and ph
Externí odkaz:
https://doaj.org/article/f41109c226a84505b38a07c7070a633a
Autor:
Lucas Rickert, Timm Gao, Felix Urban, Jan Große, Nicole Srocka, Sven Rodt, Anna Musiał, Kinga Żołnacz, Paweł Mergo, Kamil Dybka, Wacław Urbańczyk, Grzegorz Sęk, Sven Burger, Stephan Reitzenstein, Tobias Heindel
Publikováno v:
Quantum 2.0 Conference and Exhibition.
We report on BB84 quantum key distribution tests employing a benchtop plug&play quantum-dot based single-photon source operating at O-band wavelengths. We perform a detailed characterization and exploit optimized temporal filters to maximize the tole
To date, quantum communication widely relies on attenuated lasers for secret key generation. In future quantum networks fundamental limitations resulting from their probabilistic photon distribution must be overcome by using deterministic quantum lig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3584104cb67095815d898c7113ba7487