95 citations · 369 across the 14 of their papers we have counts for
14 papers
Observation of topological vortex solitons on disclinations
A. V. Kireev, K. Sabour, V. O. Kompanets +13
Vortex-carrying wave fields play a crucial role in photonics due to unusual propagation properties and interactions with matter, which enable numerous practical applications rangin…
Observation of rotation-induced light localization in waveguide arrays
Chunyan Li, Antonina A. Arkhipova, Yaroslav V. Kartashov +8
We study both, experimentally and theoretically, propagation of light in the fs-laser written rotating square waveguide arrays and present the first experimental evidence of light…
Resource-efficient low-loss four-channel active demultiplexer for single photons
M. Dryazov, Yu. Biriukov, I. Dyakonov +12
We report a design and implementation of a resource-efficient spatial demultiplexer which produces 4 indistinguishable photons with efficiency of 39.7% per channel. Our scheme is b…
Low-loss silicon nitride photonic ICs for single-photon applications
Kirill A. Buzaverov, Aleksandr S. Baburin, Evgeny V. Sergeev +11
Low-loss photonic integrated circuits (PICs) are the key elements in future quantum technologies, nonlinear photonics and neural networks. The low-loss photonic circuits technology…
Observation of nonlinearity-controlled switching of topological edge states
A. A. Arkhipova, S. K. Ivanov, S. A. Zhuravitskii +8
We report the experimental observation of the periodic switching of topological edge states between two dimerized fs-laser written waveguide arrays. Switching occurs due to the ove…
Coupled dynamics of spin qubits in optical dipole microtraps
L. V. Gerasimov, R. R. Yusupov, A. D. Moiseevsky +6
Single atoms in dipole microtraps or optical tweezers have recently become a promising platform for quantum computing and simulation. Here we report a detailed theoretical analysis…
Experimental Estimation of Quantum State Properties from Classical Shadows
G. I. Struchalin, Ya. A. Zagorovskii, E. V. Kovlakov +2
Full quantum tomography of high-dimensional quantum systems is experimentally infeasible due to the exponential scaling of the number of required measurements on the number of qubi…
Quantum state engineering with twisted photons via adaptive shaping of the pump beam
Egor Kovlakov, Stanislav Straupe, Sergey Kulik
High-dimensional entanglement is a valuable resource for quantum communication, and photon pairs entangled in orbital angular momentum are commonly used for encoding high-dimension…
Post-selection free spatial Bell state generation
E. V. Kovlakov, I. B. Bobrov, S. S. Straupe +1
Spatial states of single photons and spatially entangled photon pairs are becoming an important resource in quantum communication. This additional degree of freedom provides an alm…
Tomography of Spatial Mode Detectors
Ivan Bobrov, Egor Kovlakov, Anton Markov +2
Transformation and detection of photons in higher-order spatial modes usually requires complicated holographic techniques. Detectors based on spatial holograms suffer from non-idea…
Schmidt-like coherent mode decomposition and spatial intensity correlations of thermal light
I. B. Bobrov, S. S. Straupe, E. V. Kovlakov +1
We experimentally study the properties of coherent mode decomposition for intensity correlation function of quasi-thermal light. We use the technique of spatial mode selection deve…
Self-calibrating Tomography for Angular Schmidt Modes in Spontaneous Parametric Down-Conversion
Stanislav Straupe, Denis Ivanov, Alexander Kalinkin +3
We report an experimental self-calibrating tomography scheme for entanglement characterization in high-dimensional quantum systems using Schmidt decomposition techniques. The self-…
Angular Schmidt Modes in Spontaneous Parametric Down-Conversion
S. S. Straupe, D. P. Ivanov, A. A. Kalinkin +2
We report a proof-of-principle experiment demonstrating that appropriately chosen set of Hermite-Gaussian modes constitutes a Schmidt decomposition for transverse momentum states o…
On Preparing Entangled Pairs of Polarization Qubits in the Frequency Non-Degenerate Regime
Stanislav Straupe, Sergey Kulik
The problems associated with practical implementation of the scheme proposed for preparation of arbitrary states of polarization ququarts based on biphotons are discussed. The infl…