Search Results - "Straupe, S. S"

Robust Architecture for Programmable Universal Unitaries by Saygin, M Yu, Kondratyev, I V, Dyakonov, I V, Mironov, S A, Straupe, S S, Kulik, S P

“…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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Spatial Bell-State Generation without Transverse Mode Subspace Postselection by Kovlakov, E V, Bobrov, I B, Straupe, S S, Kulik, S P

“…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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Adaptive quantum tomography by Straupe, S. S.

“…We provide a review of the experimental and theoretical research in the field of quantum tomography with an emphasis on recently developed adaptive protocols…”
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Optimization of Entangling Logic Gates Based on the Rydberg Blockade Effect by Gerasimov, L. V., Kupriyanov, D. V., Straupe, S. S.

“…The implementation of a quantum logic gate in a system of cold atoms in optical microtraps is analyzed. The dynamics of two spin qubits is simulated, and a…”
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Schmidt-like coherent mode decomposition and spatial intensity correlations of thermal light by Bobrov, I B, Straupe, S S, Kovlakov, E V, Kulik, S P

“…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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Variational simulation of Schwinger's Hamiltonian with polarization qubits by Borzenkova, O. V., Struchalin, G. I., Kardashin, A. S., Krasnikov, V. V., Skryabin, N. N., Straupe, S. S., Kulik, S. P., Biamonte, J. D.

“…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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Diffraction-limited Fabry-Perot cavity in the near concentric regime by Durak, K, Nguyen, C H, Leong, V, Straupe, S, Kurtsiefer, C

“…Nearly concentric optical cavities can be used to prepare optical fields with a very small mode volume. We implement an anaclastic design of such a cavity that…”
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Benchmarking quantum tomography completeness and fidelity with machine learning by Teo, Yong Siah, Shin, Seongwook, Jeong, Hyunseok, Kim, Yosep, Kim, Yoon-Ho, Struchalin, Gleb I, Kovlakov, Egor V, Straupe, Stanislav S, Kulik, Sergei P, Leuchs, Gerd, Sánchez-Soto, Luis L

“…We train convolutional neural networks to predict whether or not a set of measurements is informationally complete to uniquely reconstruct any given quantum…”
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Anisotropically and high entanglement of biphoton states generated in spontaneous parametric down-conversion by Fedorov, M V, Efremov, M A, Volkov, P A, Moreva, E V, Straupe, S S, Kulik, S P

“…We show both theoretically and experimentally that biphoton wave packets generated via spontaneous parametric down-conversion can be strongly anisotropic and…”
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Low-loss single-mode integrated waveguides in soda-lime glass by Dyakonov, I. V., Kalinkin, A. A., Saygin, M. Yu, Abroskin, A. G., Radchenko, I. V., Straupe, S. S., Kulik, S. P.

“…Low-loss single-mode optical waveguide fabrication process in extra-white soda-lime glass is demonstrated. Waveguiding structures are formed in bulk substrates…”
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Tomography of spatial mode detectors by Bobrov, I B, Kovlakov, E V, Markov, A A, Straupe, S S, Kulik, S P

“…Transformation and detection of photons in higher-order spatial modes usually requires complicated holographic techniques. Detectors based on spatial holograms…”
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Realization of four-level qudits using biphotons by Moreva, E V, Maslennikov, G A, Straupe, S S, Kulik, S P

“…The novel experimental realization of four-level optical quantum systems (ququarts) is presented. We exploit the polarization properties of the frequency…”
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Entanglement of biphoton states: qutrits and ququarts by Fedorov, M V, Volkov, P A, Mikhailova, J M, Straupe, S S, Kulik, S P

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Quantum state engineering with ququarts: Application for deterministic QKD protocol by Shurupov, A. P, Straupe, S. S, Kulik, S. P, Gharib, M, Wahiddin, M. R. B

“…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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Error mitigated variational algorithm on a photonic processor by Borzenkova, O. V, Struchalin, G. I, Kondratyev, I, Moiseevskiy, A, Dyakonov, I. V, Straupe, S. S

“…Our study demonstrates successful error mitigation of indistinguishability-related noise in a quantum photonic processor through the application of the…”
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Two-qubit quantum photonic processor manufactured by femtosecond laser writing by Skryabin, N. N, Kondratyev, I. V, Dyakonov, I. V, Borzenkova, O. V, Kulik, S. P, Straupe, S. S

“…We present an experimental implementation of a two-qubit photonic quantum processor fabricated using femtosecond laser writing technology. We employ…”
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Experimental Estimation of Quantum State Properties from Classical Shadows by Struchalin, G. I, Zagorovskii, Ya. A, Kovlakov, E. V, Straupe, S. S, Kulik, S. P

“…PRX Quantum 2, 010307 (2021) Full quantum tomography of high-dimensional quantum systems is experimentally infeasible due to the exponential scaling of the…”
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Demultiplexed Single-Photon Source with a Quantum Dot Coupled to Microresonator by Rakhlin, M. V, Galimov, A. I, Dyakonov, I. V, Skryabin, N. N, Klimko, G. V, Kulagina, M. M, Zadiranov, Yu. M, Sorokin, S. V, Sedova, I. V, Guseva, Yu. A, Berezina, D. S, Serov, Yu. M, Maleev, N. A, Kuzmenkov, A. G, Troshkov, S. I, Taratorin, K. V, Skalkin, A. K, Straupe, S. S, Kulik, S. P, Shubina, T. V, Toropov, A. A

“…The characteristics of a single-photon emitter based on a semiconductor quantum dot, such as their indistinguishability and brightness, depend on the stability…”
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Dynamics of a spin qubit in an optical dipole trap by Gerasimov, L. V, Yusupov, R. R, Bobrov, I. B, Shchepanovich, D, Kovlakov, E. V, Straupe, S. S, Kulik, S. P, Kupriyanov, D. V

“…Phys. Rev. A 103, 062426 (2021) We present a theoretical investigation of coherent dynamics of a spin qubit encoded in hyperfine sublevels of an alkali-metal…”
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Improved Heralded Schemes to Generate Entangled States From Single Photons by Gubarev, F. V, Dyakonov, I. V, Saygin, M. Yu, Struchalin, G. I, Straupe, S. S, Kulik, S. P

“…Phys. Rev. A 102, 012604 (2020) We present a novel semi-analytical methodology to construct optimal linear optical circuits for heralded production of 3-photon…”
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