Search Results - "KULIK, S. P"
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1
Robust Architecture for Programmable Universal Unitaries
Published in Physical review letters (10-01-2020)“…The decomposition of large unitary matrices into smaller ones is important because it provides ways to the realization of classical and quantum information…”
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2
Spatial Bell-State Generation without Transverse Mode Subspace Postselection
Published in Physical review letters (20-01-2017)“…Spatial states of single photons and spatially entangled photon pairs are becoming an important resource in quantum communication. This additional degree of…”
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3
Quantum Computing: Predictions and Challenges
Published in Bulletin of the Lebedev Physics Institute (01-12-2023)“…A brief overview of the state of the art in the field of quantum computing is presented and the main problems in the construction of full-scale quantum…”
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Observation of Edge Solitons in Topological Trimer Arrays
Published in Physical review letters (04-03-2022)“…We report the experimental observation of nonlinear light localization and edge soliton formation at the edges of fs-laser written trimer waveguide arrays,…”
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5
Observation of Linear and Nonlinear Light Localization at the Edges of Moiré Arrays
Published in Physical review letters (24-02-2023)“…We observe linear and nonlinear light localization at the edges and in the corners of truncated moiré arrays created by the superposition of periodic mutually…”
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6
Statistical estimation of the efficiency of quantum state tomography protocols
Published in Physical review letters (01-07-2010)“…A novel operational method for estimating the efficiency of quantum state tomography protocols is suggested. It is based on a priori estimation of the quality…”
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7
Schmidt-like coherent mode decomposition and spatial intensity correlations of thermal light
Published in New journal of physics (05-07-2013)“…We experimentally study the properties of coherent mode decomposition for the intensity correlation function of quasi-thermal light. We use the technique of…”
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8
Quantum polarization transformations in anisotropic dispersive media
Published in New journal of physics (12-03-2013)“…Based on the concept of χ -matrix and Choi-Jamiólkowski states we develop the approach of quantum process reconstruction. The key part of the work is devoted…”
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9
Characterization of spectral entanglement of spontaneous parametric-down conversion biphotons in femtosecond pulsed regime
Published in Europhysics letters (01-09-2009)“…We verified the operational approach based on the direct measurement of the entanglement degree for bipartite systems. In particular spectral distributions of…”
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10
Qutrit state engineering with biphotons
Published in Physical review letters (03-12-2004)“…The novel experimental realization of three-level optical quantum systems is presented. We use the polarization state of biphotons to generate a specific…”
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11
Hong–Ou–Mandel Interference in Quantum Optics, Monogamy of Entanglement, Nonorthogonality, and Untrusted Nodes
Published in JETP letters (2024)“…Quantum key distribution systems with an untrusted intermediate node described by the so-called measurement device independent (MDI) protocol have been…”
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12
Measurement-Device-Independent Quantum Key Distribution
Published in JETP letters (01-07-2023)“…The security of the measurement-device-independent quantum key distribution protocol through untrusted nodes has been directly proven using fundamental entropy…”
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13
A Quantum Random Number Generator Based on the 100-Mbit/s Poisson Photocount Statistics
Published in Journal of experimental and theoretical physics (01-06-2018)“…A quantum random number generator is experimentally realized. The initial randomness source is a sequence of photocounts from quasi-single-photon radiation…”
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14
Implementation of a Quantum Generator of Random Numbers: Extraction of Provably Random Bit Sequences from Correlated Markov Chains
Published in JETP letters (01-04-2024)“…An experimental implementation of a quantum random number generator has been proposed. A new method for the extraction of provably random bit sequences from…”
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15
Quantum Key Distribution with Untrusted Detectors Accessible to an Eavesdropper
Published in JETP letters (01-07-2022)“…A simple fundamental modification of quantum key distribution protocols has been proposed: it is not required to protect the results of avalanche detectors…”
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16
Waveguide-lattice-based architecture for multichannel optical transformations
Published in Optics express (02-08-2021)“…We consider waveguide lattices as the architecture to implement a wide range of multiport transformations. In this architecture, a particular transfer matrix…”
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17
Variational simulation of Schwinger's Hamiltonian with polarization qubits
Published in Applied physics letters (05-04-2021)“…The numerical emulation of quantum physics and quantum chemistry often involves an intractable number of degrees of freedom and admits no known approximation…”
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18
Generation and Application of Broadband Biphoton Fields (Brief Review)
Published in JETP letters (01-05-2022)“…Biphoton fields obtained in spontaneous parametric down-conversion are among the main tools of modern quantum optics. Temporal correlations between photons in…”
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19
Relativistic quantum key distribution system with one-way quantum communication
Published in Scientific reports (17-04-2018)“…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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Quantum state engineering with ququarts: Application for deterministic QKD protocol
Published in Europhysics letters (01-07-2009)“…We discuss the proof-of-principle demonstration of the extended deterministic Quantum Key Distribution (QKD) protocol based on ququarts. The experimental…”
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