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The concept of the radio-frequency superconducting nanowire single-photon detector (RF-SNSPD) allows frequency-division multiplexing (FDM) of the bias and readout lines of several SNSPDs. Using this method, a multi-pixel array can be…

Instrumentation and Detectors · Physics 2020-04-22 Steffen Doerner , Artem Kuzmin , Stefan Wuensch , Ilya Charaev , Michael Siegel

The realization of large-scale photonic circuit for quantum optics experiments at telecom wavelengths requires an increasing number of integrated detectors. Superconductive nanowire single photon detectors (SNSPDs) can be easily integrated…

Superconducting nanowire single-photon detectors (SNSPDs) are among the most sensitive single-photon detectors available and have the potential to transform fields ranging from infrared astrophysics to molecular spectroscopy. However,…

Over the past decade, multi-element superconducting nanowire single-photon detectors (SNSPDs) have emerged as the leading single-photon detection technology due to their exceptional system detection efficiency (SDE), ultrahigh timing…

Optics · Physics 2025-12-22 Amir Targholizadeh , Grigoriy Y. Nikulin , Pankaj K. Jha

Superconducting nanowire single-photon detectors (SNSPDs) are the highest performing photon-counting technology in the near-infrared (NIR). Due to delay-line effects, large area SNSPDs typically trade-off timing resolution and detection…

We investigate the detection of an ultra-bright single-photon source using highly efficient superconducting nanowire single-photon detectors (SNSPDs) at telecom wavelengths. Both the single-photon source and the detectors are characterized…

The superconducting nanowire single photon detector (SNSPD) is a leading technology for quantum information science applications using photons, and they are finding increasing uses in photon-starved classical imaging applications. Critical…

Instrumentation and Detectors · Physics 2018-08-01 Clinton Cahall , Daniel J. Gauthier , Jungsang Kim

Single photonic applications - such as quantum key distribution - rely on the transmission of single photons, and require the ultimate sensitivity that an optical detector can achieve. Single-photon detectors must convert the energy of an…

Instrumentation and Detectors · Physics 2009-11-13 C. Zinoni , B. Alloing , L. H. Li , F. Marsili , L. Lunghi , A. Gerardino , Yu. B. Vakhtomin , K. V. Smirnov , G. N. Gol'tsman , A. Fiore

A large-format mid-infrared single-photon imager with very low dark count rates would enable a broad range of applications in fields like astronomy and chemistry. Superconducting nanowire single-photon detectors (SNSPDs) are a mature…

Quantum Physics · Physics 2024-04-05 Benedikt Hampel , Richard P. Mirin , Sae Woo Nam , Varun B. Verma

We present an alternative approach to the fabrication of highly efficient superconducting nanowire single-photon detectors (SNSPDs) based on tungsten silicide. Using well-established technologies for the deposition of dielectric mirrors and…

Since their inception, superconducting nanowire single-photon detectors have been enabling quantum optical applications and the rise of the photonic quantum industry. The evolution in the detector design and read-out strategies has led to…

Quantum Physics · Physics 2024-12-19 Lorenzo Stasi , Towsif Taher , Giovanni V. Resta , Hugo Zbinden , Rob Thew , Félix Bussières

Superconducting nanowire single-photon detectors (SNSPDs) exhibit complex switching behaviors due to electrothermal feedback during the detection process. Modeling and understanding these behaviors is integral for designing superconducting…

Applied Physics · Physics 2025-10-03 Hanson Nguyen , Alejandro Simon , Reed Foster , Karl K. Berggren

Single-photon sources and detectors are key enabling technologies in quantum information processing. Nanowire-based superconducting single-photon detectors (SSPDs) offer single-photon detection from the visible well into the infrared with…

Quantum Physics · Physics 2009-11-13 Robert H. Hadfield , Martin J. Stevens , Richard P. Mirin , Sae Woo Nam

The lack of energy dissipation and abrupt electrical phase transition of superconductors favorite them for nanoscale technologies, including radiation detectors, and quantum technologies. Moreover, understanding the nanoscale behavior of…

State-of-the-art Superconducting Nanowire Single Photon Detectors based on low-Tc materials reach 100% quantum efficiency. However, the response time is limited to >1-10 ns. Recently, it has been shown that due to a much lower kinetic…

Applied Physics · Physics 2021-10-05 Sergey Cherednichenko , Narendra Acharya , Evgenii Novoselov , Vladimir Drakinskiy

A superconducting nanowire single photon detector (SNSPD) system for telecommunication wavelength using a GM cryocooler was developed and its performance was verified. The cryocooler based SNSPD system can operate continuously with a 100 V…

Instrumentation and Detectors · Physics 2015-05-18 Shigehito Miki , Mikio Fujiwara , Masahide Sasaki , Zhen Wang

Dark count rate is one of the key parameters limiting the performance of the superconducting nanowire single photon detector (SNSPD). We have designed a multi-layer film bandpass filter that can be integrated onto the SNSPD to suppress the…

Superconductivity · Physics 2014-06-27 Xiaoyan Yang , Hao Li , Weijun Zhang , Lixing You , Lu Zhang , Xiaoyu Liu , Zhen Wang , Wei Peng , Xiaoming Xie , Mianheng Jiang

Integrated arrays of Superconducting Nanowire Single Photon Detectors (SNSPDs) have shown capabilities such as Photon Number Resolution, single photon imaging and coincidences detection, and can be effectively used also in other different…

The near-unity system detection efficiency (SDE) and excellent timing resolution of superconducting nanowire single-photon detectors (SNSPDs), combined with their other merits, have enabled many classical and quantum photonic applications.…

Quantum Physics · Physics 2022-04-12 Yun Meng , Kai Zou , Nan Hu , Liang Xu , Xiaojian Lan , Stephan Steinhauer , Samuel Gyger , Val Zwiller , Xiaolong Hu

We developed superconducting nanowire single-photon detectors (SNSPDs) based on tungsten silicide (WSi) that show saturated internal detection efficiency up to a wavelength of 10 um. These detectors are promising for applications in the…