Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Dirmeier, Thomas"'
Autor:
Jaksch, Kevin, Dirmeier, Thomas, Weiser, Yannick, Richter, Stefan, Bayraktar, Ömer, Hacker, Bastian, Rösler, Conrad, Khan, Imran, Petscharning, Stefan, Grafenauer, Thomas, Hentschel, Michael, Ömer, Bernhard, Pacher, Christoph, Kanitschar, Florian, Upadhyaya, Twesh, Lin, Jie, Lütkenhaus, Norbert, Leuchs, Gerd, Marquardt, Christoph
Continuous-variable (CV) quantum key distribution (QKD) allows for quantum secure communication with the benefit of being close to existing classical coherent communication. In recent years, CV QKD protocols using a discrete number of displaced coher
Externí odkaz:
http://arxiv.org/abs/2410.12915
Autor:
Huang, Sheng-Hsuan, Dirmeier, Thomas, Shafiee, Golnoush, Laiho, Kaisa, Strekalov, Dmitry V., Leuchs, Gerd, Marquardt, Christoph
Crystalline Whispering Gallery Mode Resonators (WGMRs) have been shown to facilitate versatile sources of quantum states that can efficiently interact with atomic systems. These features make WGMRs an efficient platform for quantum information proces
Externí odkaz:
http://arxiv.org/abs/2310.16589
Autor:
Kalinin, Nikolay, Dirmeier, Thomas, Sorokin, Arseny, Anashkina, Elena A., Sánchez-Soto, Luis L., Corney, Joel F., Leuchs, Gerd, Andrianov, Alexey V.
Publikováno v:
Adv Quantum Technol. 2023, 2200143
Squeezed light is one of the resources of photonic quantum technology. Among the various nonlinear interactions capable of generating squeezing, the optical Kerr effect is particularly easy-to-use. A popular venue is to generate polarization squeezin
Externí odkaz:
http://arxiv.org/abs/2209.14100
Akademický článek
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Autor:
Kalinin Nikolay, Dirmeier Thomas, Sorokin Arseny A., Anashkina Elena A., Sánchez-Soto Luis L., Corney Joel F., Leuchs Gerd, Andrianov Alexey V.
Publikováno v:
Nanophotonics, Vol 12, Iss 14, Pp 2945-2952 (2023)
One of the prime applications of squeezed light is enhancing the sensitivity of an interferometer below the quantum shot-noise limit, but so far, no such experimental demonstration was reported when using the optical Kerr effect. In prior setups invo
Externí odkaz:
https://doaj.org/article/7e322eac57d34bcf9daf0383843a9789
Autor:
Dirmeier, Thomas, Tiedau, Johannes, Khan, Imran, Ansari, Vahid, Müller, Christian R., Silberhorn, Christine, Marquardt, Christoph, Leuchs, Gerd
Publikováno v:
Optics Express Vol. 28, Issue 21, pp. 30784-30796 (2020)
Hybrid quantum information processing combines the advantages of discrete and continues variable protocols by realizing protocols consisting of photon counting and homodyne measurements. However, the mode structure of pulsed sources and the propertie
Externí odkaz:
http://arxiv.org/abs/1907.08004
Autor:
Otterpohl, Alexander, Sedlmeir, Florian, Vogl, Ulrich, Dirmeier, Thomas, Shafiee, Golnoush, Schunk, Gerhard, Strekalov, Dmitry V., Schwefel, Harald G. L., Gehring, Tobias, Andersen, Ulrik L., Leuchs, Gerd, Marquardt, Christoph
Publikováno v:
Optica 6, 1375-1380 (2019)
Squeezed vacuum states enable optical measurements below the quantum limit and hence are a valuable resource for applications in quantum metrology and also quantum communication. However, most available sources require high pump powers in the milliwa
Externí odkaz:
http://arxiv.org/abs/1905.07955
Autor:
Müller, Christian R., Peuntinger, Christian, Dirmeier, Thomas, Khan, Imran, Vogl, Ulrich, Marquardt, Christoph, Leuchs, Gerd, Sánchez-Soto, Luis L., Teo, Yong Siah, Hradil, Zdenek, Řeháček, Jaroslav
Publikováno v:
Phys. Rev. Lett. 117, 070801 (2016)
The accuracy in determining the quantum state of a system depends on the type of measurement performed. Homodyne and heterodyne detection are the two main schemes in continuous-variable quantum information. The former leads to a direct reconstruction
Externí odkaz:
http://arxiv.org/abs/1604.07692
Autor:
Harder, Georg, Ansari, Vahid, Brecht, Benjamin, Dirmeier, Thomas, Marquardt, Christoph, Silberhorn, Christine
Publikováno v:
Optics Express, Vol. 21, Issue 12, pp. 13975-13985 (2013)
We implement an ultrafast pulsed type-II parametric down conversion source in a periodically poled KTP waveguide at telecommunication wavelengths with almost identical properties between signal and idler. As such, our source resembles closely a pure,
Externí odkaz:
http://arxiv.org/abs/1304.6635
Publikováno v:
Philosophical Transactions: Mathematical, Physical and Engineering Sciences, 2017 Aug 01. 375(2099), 1-11.
Externí odkaz:
https://www.jstor.org/stable/44678516