Dr. Petr Pospisil Profile

Dr. Petr Pospisil

at CESNET z.s.p.o.

SPIE Involvement:

Author

Publications (5)

Proceedings Article | 20 October 2023 Presentation + Paper

Towards shared fiber dissemination infrastructure for precise time, coherent optical frequency, and entanglement transfers with sensing option

Josef Vojtech, Tomas Novak, Elisabeth Andriantsarazo, Vladimir Smotlacha, Ondrej Havlis, Rudolf Vohnout, Michal Spacek, Martin Slapak, Tomas Horvath, Lada Altmannova, Radek Velc, Petr Pospisil, Jan Kundrat, Martin Cizek, Jan Hrabina, Simon Rerucha, Lenka Pravdova, Josef Lazar, Ondrej Cip, Alexander Kuna, Jaroslav Roztocil

Proceedings Volume 12686, 1268604 (2023) https://doi.org/10.1117/12.2677256

KEYWORDS: Optical transmission, Optical coherence, Time metrology, Quantum entanglement, Quantum networks, Quantum key distribution, Quantum frequencies, Quantum coherence, Wavelength division multiplexing networks

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Proceedings Article | 6 June 2023 Presentation + Paper

National infrastructure for dissemination of precise time and ultra-stable optical frequency also aiming to connect quantum sources: CITAF

Josef Vojtech, Vladimir Smotlacha, Ondrej Havlis, Rudolf Vohnout, Michal Spacek, Tomas Novak, Elisabeth Andriantsarazo, Martin Slapak, Lada Altmannova, Radek Velc, Petr Pospisil, Jan Kundrat, Martin Cizek, Jan Hrabina, Simon Rerucha, Lenka Pravdova, Josef Lazar, Ondrej Cip, Alexander Kuna, Jaroslav Roztocil

Proceedings Volume 12570, 1257003 (2023) https://doi.org/10.1117/12.2665497

KEYWORDS: Optical transmission, Time metrology, Quantum frequencies, Clocks, Signal attenuation, Reflection, Quantum sources, Quantum beats

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Proceedings Article | 6 June 2023 Presentation + Paper

Preparing the deployment of quantum key distribution over a classical network infrastructure in Prague

Tomáš Novák, Elisabeth Andriantsarazo, Carlos Guerra-Yánez, Petr Pospíšil, Josef Vojtěch

Proceedings Volume 12570, 1257005 (2023) https://doi.org/10.1117/12.2665653

KEYWORDS: Quantum channels, Quantum key distribution, Quantum entanglement, Quantum networks, Matrices, Quantum protocols, Polarization, Entangled states, Entanglement based quantum key distribution, Quantum state tomography

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Proceedings Article | 4 October 2022 Presentation + Paper

First cross-border trial of quantum key distribution sharing fiber line with data and accurate time transmissions

Josef Vojtech, Rudolf Vohnout, Ondřej Havliš, Petr Pospíšil, Martin Šlapák, Radek Velc, Lada Altmannová, Tomáš Horváth, Jan Kundrát, Michal Hažlinský, Elisabeth Andriantsarazo, Piotr Ridlichowski

Proceedings Volume 12238, 122380H (2022) https://doi.org/10.1117/12.2633616

KEYWORDS: Quantum key distribution, Networks, Network security, Signal attenuation, Wavelength division multiplexing, Multiplexing, Optical fibers

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Proceedings Article | 30 September 2022 Paper

National research infrastructure for clock network services: CITAF

Josef Vojtech, Ondrej Havlis, Martin Slapak, Vladimir Smotlacha, Radek Velc, Petr Pospisil, Jan Kundrát, Lada Altmannova, Rudolf Vohnout, Martin Cizek, Jan Hrabina, Simon Rerucha, Lenka Pravdova, Josef Lazar, Ondrej Cip, Lukas Slodicka

Proceedings Volume 12233, 122330C (2022) https://doi.org/10.1117/12.2635013

KEYWORDS: Optical fibers, Optical amplifiers, Clocks, Time metrology, Optical networks, L band, Quantum key distribution

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