49 citations · 106 across the 16 of their papers we have counts for
17 papers
Improving fermionic variational quantum eigensolvers with Majorana swap networks
D. E. Fisher, S. A. Fldzhyan, D. V. Minaev +2
Simulating computationally hard fermionic systems is a promising application of quantum computing. However, mapping nonlocal fermionic operators to qubits often produces deep circu…
Entanglement-efficiency trade-offs in the fusion-based generation of photonic GHZ-like states
A. A. Melkozerov, M. Yu. Saygin, S. S. Straupe
Probabilistic entangling measurements are key operations in linear-optical quantum technologies, enabling the generation and manipulation of high-dimensional quantum states. While…
Universal low-depth two-unitary design of programmable photonic circuits
S. A. Fldzhyan, M. Yu. Saygin, S. S. Straupe
The development of large-scale, programmable photonic circuits capable of performing generic matrix-vector multiplication is essential for both classical and quantum information pr…
Programmable entangled qubit states on a linear-optical platform
N. N. Skryabin, Yu. A. Biriukov, M. A. Dryazgov +22
We present an experimental platform for linear-optical quantum information processing. Our setup utilizes multiphoton generation using a high-quality single-photon source, which is…
Quantum optical neural networks with programmable nonlinearities
E. A. Chernykh, M. Yu. Saygin, G. I. Struchalin +2
Parametrized quantum circuits are essential components of variational quantum algorithms. Until now, optical implementations of these circuits have relied solely on adjustable line…
Large-scale error-tolerant programmable interferometer fabricated by femtosecond laser writing
Ilya V. Kondratyev, Veronika V. Ivanova, Sergey A. Zhuravitskii +8
We introduce a programmable 8-port interferometer with the recently proposed error-tolerant architecture capable of performing a broad class of transformations. The interferometer…
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…
Programmable heralded linear optical generation of two-qubit states
Suren A. Fldzhyan, Mikhail Yu. Saygin, Sergei P. Kulik
We have investigated the heralded generation of two-qubit dual-rail-encoded states by programmable linear optics. Two types of schemes generating the states from four single photon…
Compact linear optical scheme for Bell state generation
Suren A. Fldzhyan, Mikhail Yu. Saygin, Sergei P. Kulik
The capability of linear optics to generate entangled states is exploited in photonic quantum information processing, however, it is challenging to obtain entangled logical qubit s…
Waveguide lattice based architecture for multichannel optical transformations
N. N. Skryabin, I. V. Dyakonov, M. Yu. Saygin +1
We consider coupled waveguide lattices as an architecture that implement a wide range of multiport transformations. In this architecture, a particular transfer matrix is obtained t…
Optimal design of error-tolerant reprogrammable multiport interferometers
Suren A. Fldzhyan, Mikhail Yu. Saygin, Sergei P. Kulik
Photonic information processing demands programmable multiport interferometers capable of implementing arbitrary transfer matrices, for which planar meshes of error-sensitive Mach-…
Analytic theory of coupled waveguide transformation under randomly perturbations
M. Yu. Saygin
Coupled waveguides are convenient at implementing useful optical transformations. In this letter, we investigate the uncertainty of transformation by two coupled waveguides that st…
Modular architecture of large-scale optical interferometers for sparsely populated input
M. Yu. Saygin
Today, the realization of large optical interferometer schemes is necessary for many sophisticated information processing algorithms. In this work, we propose a modular interferome…
Observation and investigation of narrow optical transitions of 167Er3+ ions in femtosecond laser printed waveguides in 7LiYF4 crystal
M. M. Minnegaliev, I. V. Dyakonov, K. I. Gerasimov +5
We produced optical waveguides in the 167Er3+ :7LiYF4 crystal with diameters ranging from 30 to 100 mkm by using the depressed-cladding approach with femtosecond laser. These waveg…
Laser-written polarizing directional coupler with reduced interaction length
I. V. Dyakonov, M. Yu. Saygin, I. V. Kondratyev +3
Integrated optical devices are becoming a common tool in modern optical science and engineering. This devices should be designed to allow for precise control and manipulation of li…
Coupled parametric processes in binary nonlinear photonic structures
M. Yu. Saygin, A. S. Chirkin
We study parametric interactions in a new type of nonlinear photonic structures, which is realized in the vicinity of a pair of nonlinear crystals. In this kind of structure, which…
Low-loss single-mode integrated waveguides in soda-lime glass
Ivan Dyakonov, Alexander Kalinkin, Mikhail Saygin +4
Low-loss single-mode optical waveguide fabrication process in extra-white soda-lime glass is demonstrated. Waveguiding structures are formed in bulk substrates employing femtosecon…