activity
20232026
most citedDemonstration of a parity-time symmetry breaking phase transition using superconducting and trapped-ion qutrits

26 citations · 27 across the 7 of their papers we have counts for

collaborators

7 papers

quant-ph2026

Native CCZ Gate with Fluxonium Qubits and a Microwave-Driven Coupler

Grigoriy S. Mazhorin, Tatyana A. Chudakova, Alena S. Kazmina +12

Native multi-qubit gates could reduce the overhead associated with decompositions into single- and two-qubit operations, but whether they can simultaneously provide high fidelity,…

quant-ph2026

Interleaved Benchmarking with Single-Qubit References

Ilya A. Simakov, Arina V. Zotova, Tatyana A. Chudakova +10

Cross-entropy benchmarking (XEB) with single-qubit reference sequences is widely used to characterize multi-qubit gates in large-scale quantum processors, despite the lack of a rig…

quant-ph2025

Realization of a Quantum Error Detection Code with a Dynamically Reassigned Ancillary Qubit

Alena S. Kazmina, Artyom M. Polyanskiy, Elena Yu. Egorova +5

Quantum error correction (QEC) is essential for achieving fault-tolerant quantum computing. While superconducting qubits are among the most promising candidates for scalable QEC, t…

quant-ph2025

Towards practical non-Markovianity measures: Normalization and regularization techniques

L. A. Mazhorina, N. D. Korolev, N. V. Morozov +15

Measures characterizing the non-Markovianity degree of the quantum dynamics have several drawbacks when applied to real devices. They depend on the chosen measurement time interval…

quant-ph2024★ 1 cited

Effect of Etching Methods on Dielectric Losses in Transmons

T. A. Chudakova, G. S. Mazhorin, I. V. Trofimov +9

Superconducting qubits are considered as a promising platform for implementing a fault tolerant quantum computing. However, surface defects of superconductors and the substrate lea…

quant-ph2024

Three-mode tunable coupler for superconducting two-qubit gates

Elena Yu. Egorova, Alena S. Kazmina, Ilya A. Simakov +7

Building a scalable universal high-performance quantum processor is a formidable challenge. In particular, the problem of realizing fast high-perfomance two-qubit gates of high-fid…

quant-ph2023★ 26 cited

Demonstration of a parity-time symmetry breaking phase transition using superconducting and trapped-ion qutrits

Alena S. Kazmina, Ilia V. Zalivako, Alexander S. Borisenko +21

Scalable quantum computers hold the promise to solve hard computational problems, such as prime factorization, combinatorial optimization, simulation of many-body physics, and quan…