output
20112026
most citedTemporal solitons in optical microresonators

2.2k citations

Showing 2023 · quant-phShow all

28 papers · 2 filters

quant-ph2023★ 3 cited

Control and readout of a transmon using a compact superconducting resonator

Julia Zotova, Shtefan Sanduleanu, Gleb Fedorov +3

We demonstrate control and readout of a superconducting artificial atom based on a transmon qubit using a compact lumped-element resonator. The resonator consists of a parallel-pla…

quant-ph2023★ 6 cited

Error mitigated variational algorithm on a photonic processor

O. V. Borzenkova, G. I. Struchalin, I. Kondratyev +3

Our study demonstrates successful error mitigation of indistinguishability-related noise in a quantum photonic processor through the application of the zero-noise extrapolation tec…

quant-ph2023★ 27 cited

Qudits for decomposing multiqubit gates and realizing quantum algorithms

Evgeniy O. Kiktenko, Anastasiia S. Nikolaeva, Aleksey K. Fedorov

The paradigm behind digital quantum computing inherits the idea of using binary information processing. Nature in fact gives much more rich structures of physical objects that can…

quant-ph2023★ 3 cited

Inspiration from machine learning on example of optimization of the Bose-Einstein condensate of thulium atoms in a 1064-nm trap

D. A. Kumpilov, D. A. Pershin, I. S. Cojocaru +10

The number of atoms in Bose-Einstein condensate determines the scale of experiments that can be performed, making it crucial for quantum simulations. Optimization of the number of…

quant-ph2023★ 1 cited

Characterization of non-adaptive Clifford channels

Vsevolod I. Yashin, Maria A. Elovenkova

Stabilizer circuits arise in almost every area of quantum computation and communication, so there is interest in studying them from an information-theoretic perspective, i.e. as qu…

quant-ph2023★ 19 cited

Eurasian-Scale Experimental Satellite-based Quantum Key Distribution with Detector Efficiency Mismatch Analysis

Aleksandr V. Khmelev, Alexey V. Duplinsky, Ruslan M. Bakhshaliev +9

The Micius satellite is the pioneering initiative to demonstrate quantum teleportation, entanglement distribution, quantum key distribution (QKD), and quantum-secured communication…

quant-ph2023★ 15 cited

Speeding up qubit control with bipolar single-flux-quantum pulse sequences

Vsevolod Vozhakov, Marina Bastrakova, Nikolay Klenov +2

The development of quantum computers based on superconductors requires the improvement of the qubit state control approach aimed at the increase of the hardware energy efficiency.…

quant-ph2023★ 4 cited

Interaction of Nitrogen-Vacancy Centers in Diamond with a Dense Ensemble of Carbon-13

O. R. Rubinas, V. V. Soshenko, I. S. Cojocaru +9

The nitrogen-vacancy center in diamond attracts a lot of attention in sensing applications, mainly for temperature, magnetic field, and rotation measurements. Nuclear spins of carb…

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…

quant-ph2023★ 26 cited

Preparing a commercial quantum key distribution system for certification against implementation loopholes

Vadim Makarov, Alexey Abrikosov, Poompong Chaiwongkhot +9

A commercial quantum key distribution (QKD) system needs to be formally certified to enable its wide deployment. The certification should include the system's robustness against kn…

quant-ph2023★ 2 cited

Quantum and quantum-inspired optimization for an in-core fuel management problem

Sergey R. Usmanov, Gleb V. Salakhov, Anton A. Bozhedarov +2

Operation management of nuclear power plants consists of several computationally hard problems. Searching for an in-core fuel loading pattern is among them. The main challenge of t…

quant-ph2023★ 8 cited

Security of entanglement-based QKD with realistic parametric down-conversion sources

K. S. Kravtsov

The paper analyzes security aspects of practical entanglement-based quantum key distribution (QKD), namely, BBM92 or entanglement-based BB84 protocol. Similar to prepare-and-measur…

quant-ph2023★ 1 cited

Reliable confidence regions for quantum tomography using distribution moments

D. O. Norkin, E. O. Kiktenko, A. K. Fedorov

Quantum tomography is a widely applicable method for reconstructing unknown quantum states and processes. However, its applications in quantum technologies usually also require est…

quant-ph2023★ 5 cited

Mitigating Quantum Gate Errors for Variational Eigensolvers Using Hardware-Inspired Zero-Noise Extrapolation

Alexey Uvarov, Daniil Rabinovich, Olga Lakhmanskaya +3

Variational quantum algorithms have emerged as a cornerstone of contemporary quantum algorithms research. Practical implementations of these algorithms, despite offering certain le…

quant-ph2023★ 3 cited

Minimizing the negativity of quantum circuits in overcomplete quasiprobability representations

Denis A. Kulikov, Vsevolod I. Yashin, Aleksey K. Fedorov +1

The problem of simulatability of quantum processes using classical resources plays a cornerstone role for quantum computing. Quantum circuits can be simulated classically, e.g., us…

quant-ph2023★ 6 cited

Benchmarking a boson sampler with Hamming nets

Ilia A. Iakovlev, Oleg M. Sotnikov, Ivan V. Dyakonov +4

Analyzing the properties of complex quantum systems is crucial for further development of quantum devices, yet this task is typically challenging and demanding with respect to requ…

quant-ph2023★ 25 cited

Continuous dynamical decoupling of optical Yb qudits with radiofrequency fields

Ilia V. Zalivako, Alexander S. Borisenko, Ilya A. Semerikov +9

The use of multilevel quantum information carriers, also known as qudits, attracts a significant deal of interest as a way for further scalability of quantum computing devices. How…

quant-ph2023★ 12 cited

Hybrid quantum learning with data re-uploading on a small-scale superconducting quantum simulator

Aleksei Tolstobrov, Gleb Fedorov, Shtefan Sanduleanu +11

Supervised quantum learning is an emergent multidisciplinary domain bridging between variational quantum algorithms and classical machine learning. Here, we study experimentally a…

quant-ph2023★ 28 cited

Fourier expansion in variational quantum algorithms

Nikita A. Nemkov, Evgeniy O. Kiktenko, Aleksey K. Fedorov

The Fourier expansion of the loss function in variational quantum algorithms (VQA) contains a wealth of information, yet is generally hard to access. We focus on the class of varia…

quant-ph2023★ 13 cited

Deploying hybrid quantum-secured infrastructure for applications: When quantum and post-quantum can work together

Aleksey K. Fedorov

Most currently used cryptographic tools for protecting data are based on certain computational assumptions, which makes them vulnerable with respect to technological and algorithmi…

quant-ph2023★ 15 cited

Security boundaries of an optical power limiter for protecting quantum key distribution systems

Qingquan Peng, Binwu Gao, Konstantin Zaitsev +7

Unauthorized light injection has always been a vital threat to the practical security of a quantum key distribution (QKD) system. An optical power limiter (OPL) based on the thermo…

quant-ph2023★ 9 cited

Acoustic frequency atomic spin oscillator in the quantum regime

Jun Jia, Valeriy Novikov, Tulio Brito Brasil +3

We experimentally demonstrate quantum behavior of a macroscopic atomic spin oscillator in the acoustic frequency range. Quantum back-action of the spin measurement, ponderomotive s…

quant-ph2023★ 4 cited

Pitfalls of the sublinear QAOA-based factorization algorithm

Sergey V. Grebnev, Maxim A. Gavreev, Evgeniy O. Kiktenko +3

Quantum computing devices are believed to be powerful in solving the prime factorization problem, which is at the heart of widely deployed public-key cryptographic tools. However,…

quant-ph2023★ 21 cited

Coupler microwave-activated controlled phase gate on fluxonium qubits

Ilya A. Simakov, Grigoriy S. Mazhorin, Ilya N. Moskalenko +8

Tunable couplers have recently become one of the most powerful tools for implementing two-qubit gates between superconducting qubits. A tunable coupler typically includes a nonline…