Superconducting nanowires for single‐photon detection: Progress, challenges, and opportunities

I Holzman, Y Ivry - Advanced Quantum Technologies, 2019 - Wiley Online Library
Single‐photon detectors and nanoscale superconducting devices are two major candidates
for realizing quantum technologies. Superconducting‐nanowire single‐photon detectors …

Secure polarization-independent subcarrier quantum key distribution in optical fiber channel using BB84 protocol with a strong reference

AV Gleim, VI Egorov, YV Nazarov, SV Smirnov… - Optics express, 2016 - opg.optica.org
A quantum key distribution system based on the subcarrier wave modulation method has
been demonstrated which employs the BB84 protocol with a strong reference to generate …

[HTML][HTML] Subcarrier wave continuous variable quantum key distribution with discrete modulation: mathematical model and finite-key analysis

E Samsonov, R Goncharov, A Gaidash, A Kozubov… - Scientific Reports, 2020 - nature.com
In this paper we report a continuous-variable quantum key distribution protocol using
multimode coherent states generated on subcarrier frequencies of the optical spectrum. We …

Scalable nanofabrication of high-quality nanowires for single-photon detectors

P Amari, S Kozlov, E Recoba-Pawlowski… - Physical Review …, 2023 - APS
The realization of superconducting single-photon detectors operating above the liquid-
helium temperature is currently the focus of intense research efforts. Here, we present the …

Sideband quantum communication at 1 Mbit/s on a metropolitan area network

AV Gleĭm, VV Chistyakov, OI Bannik… - Journal of Optical …, 2017 - opg.optica.org
We demonstrate qubit transmission via an optical cable in a metropolitan area network using
quantum communications via sidebands with record-setting system parameters for such …

Free-space subcarrier wave quantum communication

SM Kynev, VV Chistyakov, SV Smirnov… - Journal of Physics …, 2017 - iopscience.iop.org
Free-space subcarrier wave quantum communication Page 1 Journal of Physics:
Conference Series PAPER • OPEN ACCESS Free-space subcarrier wave quantum …

Analysis of the chromatic dispersion effect on the subcarrier wave QKD system

F Kiselev, E Samsonov, R Goncharov, V Chistyakov… - Optics …, 2020 - opg.optica.org
In this paper we investigate the chromatic dispersion impact on the quantum key distribution
system based on multi-mode weak coherent phase-coded states. We provide an asymptotic …

Photon-number-resolving SSPDs with system detection efficiency over 50% at telecom range

P Zolotov, A Divochiy, Y Vakhtomin… - AIP Conference …, 2018 - pubs.aip.org
We used technology of making high-efficiency superconducting single-photon detectors as a
basis for improvement of photon-number-resolving devices. By adding optical cavity and …

Using a heterodyne detection scheme in a subcarrier wave quantum communication system

KS Mel'nik, NM Arslanov, OI Bannik… - Bulletin of the Russian …, 2018 - Springer
The single photon detectors currently used in quantum communication schemes impose
considerable restrictions on signal registration and dark count rates, require cooling to low …

Revealing beam-splitting attack in a quantum cryptography system with a photon-number-resolving detector

A Gaidash, V Egorov, A Gleim - JOSA B, 2016 - opg.optica.org
We discuss a method for revealing a photon-number-splitting (PNS) attack in a quantum key
distribution (QKD) system, which is based on analyzing the statistical distribution of photon …