activity
20192026
most citedOptimal design of error-tolerant reprogrammable multiport interferometers

49 citations · 62 across the 11 of their papers we have counts for

collaborators

12 papers

physics.optics2026

Perturbative photonic matrix-vector multiplication with reduced phase-shift range

S. A. Fldzhyan, S. S. Straupe, M. Yu. Saygin

Programmable photonic meshes provide a promising platform for analog matrix-vector multiplication, but their scalability is often limited by the large phase-shift ranges required i…

physics.optics2026

Native QR Factorization on Programmable Photonic Meshes

S. A. Fldzhyan, S. S. Straupe, M. Yu. Saygin

We propose a photonic native procedure for computing the QR factorization of a matrix using a programmable unitary interferometer mesh. The method configures the mesh through a seq…

quant-ph2025

Resource-efficient linear-optical generation of GHZ-like states

Suren A. Fldzhyan, Stanislav S. Straupe, Mikhail Yu. Saygin

Heralded multi-photon entanglement generation is a central bottleneck for photonic quantum computing, where resource costs typically skyrocket with target size. We explore efficien…

quant-ph2025

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…

physics.optics2025★ 1 cited

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…

quant-ph2024

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…

physics.optics2024★ 6 cited

Low-depth, compact and error-tolerant photonic matrix-vector multiplication beyond the unitary group

S. A. Fldzhyan, M. Yu. Saygin, S. S. Straupe

Large-scale programmable photonic circuits are opening up new possibilities for information processing providing fast and energy-efficient means for matrix-vector multiplication. H…

quant-ph2024★ 5 cited

Fast reconstruction of programmable interferometers with intensity-only measurements

B. I. Bantysh, A. Yu. Chernyavskiy, S. A. Fldzhyan +1

Programmable linear optical interferometers are promising for classical and quantum applications. Their integrated design makes it possible to create more scalable and stable devic…

quant-ph2023★ 1 cited

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…

quant-ph2022

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…

quant-ph2021

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…

physics.optics2019★ 49 cited

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-…