?
Travelling-wave single-photon detectors integrated with diamond photonic circuits: Operation at visible and telecom wavelengths with a timing jitter down to 23 ps
P. 97500T-1– 97500T-8.
Rath P., Vetter A., Kovalyuk V., Ferrari S., Kahl O., Nebel C., Goltsman G., Korneev A., Pernice W. H.
We report on the design, fabrication and measurement of travelling-wave superconducting nanowire single-photon detectors (SNSPDs) integrated with polycrystalline diamond photonic circuits. We analyze their performance both in the near-infrared wavelength regime around 1600 nm and at 765 nm. Near-IR detection is important for compatibility with the telecommunication infrastructure, while operation in the visible wavelength range is relevant for compatibility with the emission line of silicon vacancy centers in diamond which can be used as efficient single-photon sources. Our detectors feature high critical currents (up to 31 μA) and high performance in terms of efficiency (up to 74% at 765 nm), noise-equivalent power (down to 4.4×10-19 W/Hz1/2 at 765 nm) and timing jitter (down to 23 ps).
In book
Т. 9750: Integrated Optics: Devices, Materials, and Technologies XX. , Беллингхем: Society of Photo-Optical Instrumentation Engineers, 2016.
Alexandr Filyaev, Losev A., Vladimir Zavodilenko et al., Journal of Optical Technology (A Translation of Opticheskii Zhurnal) 2024 Vol. 90 No. 12 P. 737–742
Subject of study. A noise parameter, such as an afterpulse effect, that occurs in indium-gallium arsenide/indium phosphide single-photon avalanche diodes when operated as part of a single-photon detector in quantum key distribution systems was investigated. The aim of this study was the analysis of indium-gallium arsenide/indium phosphide single-photon avalanche diode afterpulse effect estimation approaches for real-world quantum key ...
Added: May 6, 2026
Mazen Makhlouf, Elezov M., Ozhegov R. et al., , in: Proceedings of the 2025 7th International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE).: United States of America: IEEE, 2025. P. 1–5.
High-resolution photon-counting optical time-domain reflectometry (PC-OTDR) is crucial for the development of fiber-optic sensing and network diagnostics, allowing accurate fault location and long-haul performance optimization. A major step forward for OTDR is reported by combining a superconducting nanowire single-photon detector (SNSPD) with a low-cost FPGA-based time-to-digital converter (TDC) to perform high-resolution measurements over 150 km ...
Added: January 12, 2026
Махлуф М., Прикладная фотоника 2025 Т. 12 № 3 С. 40–55
The Optical Time-Domain Reflectometer (OTDR) plays a key role in the diagnostics of fiber-optic networks and distributed fiber-optic sensing systems, enabling precise fault localization and performance optimization of long-haul communication links. This work presents a significant advancement in OTDR technology, achieved through the integration of a superconducting nanowire single-photon detector (SNSPD) and a field-programmable gate ...
Added: November 17, 2025
Nevzorov A., Iliia Venediktov, Vladislav Korovin et al., Applied Physics Letters 2025 Vol. 127 No. 17 Article 172602
We demonstrate an amorphous molybdenum–rhenium (MoRe) film on a thin-film lithium niobate substrate as an efficient superconducting nanowire single-photon detector (SNSPD) operating at T=2.5 K. MoRe films were deposited by DC magnetron sputtering with a composite target of 56 at. % Mo and 44 at. % Re on lithium niobate on insulator substrates at room ...
Added: October 20, 2025
Suleimen Y., An P. P., Sedykh K. et al., Physical Review Applied - APS Journals 2026 Vol. 25 No. 4 Article 044091
The integration of superconducting nanowire single-photon detectors (SNSPDs) for state readout in trapped-ion quantum processors is hindered by their sensitivity to electromagnetic interference from ion-trapping radio-frequency (RF) fields. We demonstrate a comprehensive mitigation strategy for niobium nitride (NbN) SNSPDs that combines a conducting, optically transparent tin-doped indium oxide (ITO) shield with a nanowire of optimized ...
Added: September 17, 2025
Махлуф М., Electrical and Power Engineering (REEPE) 2025 P. 1–5
Abstract— High-resolution photon-counting optical time-domain reflectometry (PC-OTDR) is crucial for the development of fiber-optic sensing and network diagnostics, allowing accurate fault location and long-haul performance optimization. A major step forward for OTDR is reported by combining a superconducting nanowire single-photon detector (SNSPD) with a low-cost FPGA-based time-to-digital converter (TDC) to perform high-resolution measurements over 150 ...
Added: April 29, 2025
Sedykh K., Suleimen E., Svyatodukh M. et al., Technical Physics 2024 Vol. 69 No. 6 P. 1797–1802
In this paper, model of a surface ion trap for a scalable quantum computer with an RF electrode and a superconducting single-photon detector was studied with an operating temperature of 4 K. The amplitude range of the radio frequency signal varied from 10 to 800 mV at frequencies from 5 to 20 MHz. The effect ...
Added: February 19, 2025
Zavodilenko V. V., Losev A. V., Filyaev A. A. et al., Optoelectronics, Instrumentation and Data Processing 2023 Vol. 59 P. 148–155
Automated measuring stand (AMS) for evaluation of the operational parameters of single-photon detectors (SPD) has been developed together with the software that implements the method of evaluating SPD efficiency parameters from the experimental data measured with AMS. We present graphical interface of the software, which allows generating recommendations for configuring operation mode of the detector ...
Added: September 1, 2023
Losev A. V., Filyaev A. A., Zavodilenko V. V. et al., Journal of Russian Laser Research 2023 Vol. 44 P. 156–162
We construct a model of InGaAs/InAlAs single-photon avalanche diodes in the T-CAD computing environment, in order to predict their electrical parameters, when they work as a part of single-photon detectors. The obtained results are applicable for optimizing the design of single-photon avalanche photodiodes for the use as sensitive elements in light detection devices. The main ...
Added: May 16, 2023
Losev A., Zavodilenko V. V., Koziy A. et al., IEEE Journal of Quantum Electronics 2022 Vol. 58 No. 3 P. 1–11
We have performed a detailed study of the dependence of afterpulse probability in InGaAs/InP sine-gated SPAD on the dead time and the existing approach for its implementation. We demonstrated an electrical scheme combining sinusoidal gating and active reset. We have shown when such solutions are beneficial from the key distribution point of view, and enough ...
Added: May 12, 2023
M. I. Polyakova, A. A. Korneev, Semenov n., Journal of Physics: Conference Series 2020 Vol. 1695 No. 1 Article 012146
© Published under licence by IOP Publishing Ltd.In this work, we present results of quantum detector tomography of superconducting single photon detector (SSPD) based on MoSi film, and compare them with previously reported data on NbN. We find that for both materials hot spot interaction length coincides with the strip width, and the dependence of ...
Added: March 3, 2023
Venediktov I. O., Elezov M. S., Prokhodtsov A. I. et al., Journal of Physics: Conference Series 2021 Vol. 2086 No. 1 P. 1–4
Mach-Zehnder interferometer (MZI) is a valuable practical tool in many optical science areas. In particular, high-contrast MZI are required for experimental realization of displacement-based quantum receivers that can discriminate weak coherent states of light with the minimum error rate. In this work we study phase modulators of tunable on-chip interferometer on silicon nitride (Si3N4) platform ...
Added: February 15, 2022
Elmanova A., Elmanov I., An P. et al., Journal of Physics: Conference Series 2021 Vol. 2086 No. 1 P. 1–4
In this work we studied how focusing grating couplers, developed for telecommunication C-band wavelength range, can be applied in the near infrared range. In the paper we presented prospects of usage of both first and second diffraction maxima of theoretically computed diffraction grating couplers for photonic aims. The dependence of the central wavelength of the ...
Added: February 15, 2022
Antipov A., Seleznev V., Vakhtomin Y. et al., IOP Conference Series: Materials Science and Engineering (MSE) 2020 Vol. 781 No. 1 P. 012011-1–012011-5
Spectral characteristics of WSi and NbN superconducting single-photon detectors with different surface resistance and width of nanowire strips have been investigated in the wavelength range of 1.3-2.5 µm. WSi structures with narrower strips demonstrated better performance for detection of single photons in longer wavelength range. The difference in normalized photon count rate for such structures ...
Added: December 10, 2020
Seleznev V., Divochiy A., Vakhtomin Y. et al., Journal of Physics: Conference Series 2016 Vol. 737 No. 012032 P. 1–9
We have developed the deposition technology of WSi thin films 4 to 9 nm thick with high temperature values of superconducting transition (Tc~4 K). Based on deposed films there were produced nanostructures with indicative planar sizes ~100 nm, and the research revealed that even on nanoscale the films possess of high critical temperature values of ...
Added: November 24, 2017
Семенов А. В., Девятов И. А., Smirnov K. et al., Журнал радиоэлектроники 2011 № 11
We investigate contribution to the detectivity of superconducting radiation sensors, originated from a change in spectral functions of the absorber under influence of the absorbed power. For the absorber manufactured of dirty superconducting film we demonstrate that at low temperature the only cause of the change in spectral functions is the change of the order ...
Added: October 12, 2017
Vorobyov V. V., Kazakov A. Y., Soshenko V. V. et al., Optical Materials Express 2017 Vol. 7 No. 2 P. 513–526
Further development of quantum emitter based communication and sensing applications intrinsically depends on the availability of robust single-photon detectors. Here, we demonstrate a new generation of superconducting single-photon detectors specifically optimized for the 500-1100 nm wavelength range, which overlaps with the emission spectrum of many interesting solid-state atom-like systems, such as nitrogen-vacancy and silicon-vacancy centers ...
Added: February 22, 2017
Vetter A., Ferrari S., Rath P. et al., Nano Letters 2016 Vol. 16 No. 11 P. 7085–7092
Ultrafast single-photon detectors with high efficiency are of utmost importance for many applications in the context of integrated quantum photonic circuits. Detectors based on superconductor nanowires attached to optical waveguides are particularly appealing for this purpose. However, their speed is limited because the required high absorption efficiency necessitates long nanowires deposited on top of the ...
Added: February 2, 2017
Shcherbatenko M., Lobanov Y., Semenov A. V. et al., Optics Express 2016 Vol. 24 No. 26 P. 30474–30484
Here, we report on the successful operation of a NbN thin film superconducting nanowire single-photon detector (SNSPD) in a coherent mode (as a mixer) at the telecommunication wavelength of 1550 nm. Providing the local oscillator power of the order of a few picowatts, we were practically able to reach the quantum noise limited sensitivity. The ...
Added: February 2, 2017
Khasminskaya S., Pyatkov F., Stowik K. et al., Nature Photonics 2016 Vol. 10 P. 727–733
Photonic quantum technologies allow quantum phenomena to be exploited in applications such as quantum cryptography, quantum simulation and quantum computation. A key requirement for practical devices is the scalable integration of single-photon sources, detectors and linear optical elements on a common platform. Nanophotonic circuits enable the realization of complex linear optical systems, while non-classical light ...
Added: October 20, 2016
Sidorova M. V., Divochiy A. V., Vakhomin Y. B. et al., Journal of Nanophotonics 2015 Vol. 9 P. 093051-1–093051-7
This paper presents an ultrafast niobium nitride (NbN) superconducting single-photon detector (SSPD) with an active area of 3 × 3 μm^2 that offers better timing performance metrics than the previous SSPD with an active area of 7 × 7 μm^2. The improved SSPD demonstrates a record timing jitter (<25 ps), an ultrashort recovery time (<2 ...
Added: March 4, 2016