Search Results - "Kravtsov, S K"

Are There Enough Decoy States to Ensure Key Secrecy in Quantum Cryptography? by Molotkov, S. N., Kravtsov, K. S., Ryzhkin, M. I.

“…The decoy state method has been proposed to detect a photon number splitting (PNS) attack. Today, the decoy state method is considered to be an almost…”
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Erratum to: Are There Enough Decoy States to Ensure Key Secrecy in Quantum Cryptography? by Molotkov, S. N., Kravtsov, K. S., Ryzhkin, M. I.

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Relativistic quantum key distribution system with one-way quantum communication by Kravtsov, K. S., Radchenko, I. V., Kulik, S. P., Molotkov, S. N.

“…Unambiguous state discrimination (USD) is one of the major obstacles for practical quantum key distribution (QKD). Often overlooked, it allows efficient…”
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North Atlantic climate variability in coupled models and data by Kravtsov, S K, Dewar, W K, Ghil, M, Berloff, P S, McWilliams, J C

“…We show that the observed zonally averaged jet in the Northern Hemisphere atmosphere exhibits two spatial patterns with broadband variability in the decadal…”
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Security of entanglement-based QKD with realistic parametric down-conversion sources by Kravtsov, K. S

“…The paper analyzes security aspects of practical entanglement-based quantum key distribution (QKD), namely, BBM92 or entanglement-based BB84 protocol. Similar…”
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Statistical estimation of the quality of quantum-tomography protocols by Bogdanov, Yu. I., Brida, G., Bukeev, I. D., Genovese, M., Kravtsov, K. S., Kulik, S. P., Moreva, E. V., Soloviev, A. A., Shurupov, A. P.

“…We present a complete methodology for testing the performances of quantum tomography protocols. The theory is validated by several numerical examples and by…”
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Spatial Quantum State Tomography with A Deformable Mirror by Kravtsov, K. S, Zhutov, A. K, Kulik, S. P

“…Phys. Rev. A 102, 023706 (2020) Quantum tomography is an essential experimental tool for testing any quantum technology implementations. Transverse spatial…”
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AFRICA’S DIGITAL ECONOMY DEVELOPMENT AND CHINA’S PARTICIPATION by T. L. Deych, N. N. Tsvetkova, K. S. Kravtsov

“…The article is devoted to the development of digital technologies in Africa and the role played by China, the world leader in the field of digital…”
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Turbulence-induced optical loss and cross-talk in spatial mode multiplexed or single-mode free-space communication channels by Kravtsov, K. S, Zhutov, A. K, Radchenko, I. V, Kulik, S. P

“…Single-mode or mode multiplexed free-space atmospheric optical channels draw increasingly more attention in the last decade. The scope of their possible…”
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Minimalist design of a robust real-time quantum random number generator by Kravtsov, K. S, Radchenko, I. V, Kulik, S. P, Molotkov, S. N

“…We present a simple and robust construction of a real-time quantum random number generator (QRNG). Our minimalist approach ensures stable operation of the…”
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Relativistic Quantum Cryptography by Radchenko, I. V, Kravtsov, K. S, Kulik, S. P, Molotkov, S. N

“…Laser Phys. Lett., vol. 11, no. 6, 065203 (2014) Quantum key distribution (QKD) is a concept of secret key exchange supported by fundamentals of quantum…”
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Experimental adaptive Bayesian tomography by Kravtsov, K. S., Straupe, S. S., Radchenko, I. V., Houlsby, N. M. T., Huszár, F., Kulik, S. P.

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Statistical estimation of the quality of quantum-tomography protocols by Bogdanov, Yu. I, Brida, G, Bukeev, I. D, Genovese, M, Kravtsov, K. S, Kulik, S. P, Moreva, E. V, Soloviev, A. A, Shurupov, A. P

“…Phys. Rev. A 84, 042108 (2011) We present a complete methodology for testing the performances of quantum tomography protocols. The theory is validated by…”
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On a two-pass scheme without a faraday mirror for free-space relativistic quantum cryptography by Kravtsov, K. S., Radchenko, I. V., Korol’kov, A. V., Kulik, S. P., Molotkov, S. N.

“…The stability of destructive interference independent of the input polarization and the state of a quantum communication channel in fiber optic systems used in…”
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Statistical reconstruction of mixed states of polarization qubits by Bogdanov, Yu. I., Gavrichenko, A. K., Kravtsov, K. S., Kulik, S. P., Moreva, E. V., Soloviev, A. A.

“…The method of estimating the adequacy, completeness, and accuracy of quantum tomography protocols is generalized to the case of mixed states of polarization…”
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Power Transfer Function Tailoring in a Highly Ge-Doped Nonlinear Interferometer-Based All-Optical Thresholder Using Offset-Spectral Filtering by Rafidi, N. S., Kravtsov, K. S., Yue Tian, Fok, M. P., Nahmias, M. A., Tait, A. N., Prucnal, P. R.

“…We experimentally investigate and characterize the improvement in thresholding capability of a compact highly Ge-doped nonlinear interferometer-based…”
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Relativistic quantum key distribution system with one-way quantum communication by Kravtsov, K. S, Radchenko, I. V, Kulik, S. P, Molotkov, S. N

“…Unambiguous state discrimination (USD) is one of the major obstacles for practical quantum key distribution (QKD). Often overlooked, it allows efficient…”
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Absorption and emission cross section of Yb3+ ions in Al2O3 and P2O5 doped fibers by Melkumov, M. A, Bufetov, I. A, Kravtsov, K. S, Shubin, A. V, Dianov, E. M

“…The results of measurements of the emission and absorption cross section for the transition 2F5/2 -> 2F7/2 of Yb3+ ions in Al2O3 and P2O5 doped silica fibers…”
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Increasing optical security with OCDMA using optical XOR by Glesk, I., Huang, Y.-K., Kravtsov, K.S., Prucnal, P.R.

“…We designed, built, and demonstrated scalable incoherent Optical CDMA testbed with One-time Pad security which enables users to communicate with each other at…”
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Single-mode thulium-doped silica fiber laser pumped at 1230 nm with 7W of output power by Bufetov, I.A., Kravtsov, K.S., Medvedkov, O.I., Dianov, E.M.

“…In this paper, we report for the first time efficient single-mode cw operation in 2 mum range of thulium-doped silica fiber laser with core pumping at…”
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