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We demonstrated a laser depth imaging system based on the time-correlated single-photon counting technique, which was incorporated with a low-jitter superconducting nanowire single-photon detector (SNSPD), operated at the wavelength of 1550…

Optics · Physics 2023-07-19 H. Zhou , Y. He , L. You , S. Chen , W. Zhang , J. Wu , Z. Wang , X. Xie

Superconducting nanowire single-photon detectors (SNSPDs) are efficient measurement devices used for counting single photons. The field of their applications covers experimental quantum-optical studies, optical quantum computing, quantum…

Quantum Physics · Physics 2022-06-24 V. A. Uzunova , A. A. Semenov

Single-photon detection via absorption in current-biased nanoscale superconducting structures has become a preferred technology in quantum optics and related fields. Single-mode fiber packaged devices have seen new records set in detection…

Quantum Physics · Physics 2022-05-17 Dileep V. Reddy , Negar Otrooshi , Sae Woo Nam , Richard P. Mirin , Varun B. Verma

In a recent publication we have proposed a numerical model that describes the detection process of optical photons in superconducting nanowire single-photon detectors (SNSPD). Here, we review this model and present a significant improvement…

Superconductivity · Physics 2015-06-24 Andreas Engel , Julia Lonsky , Xiaofu Zhang , Andreas Schilling

Universal fault-tolerant quantum computers, which promise to revolutionize computing, are currently limited by excessive noise in their constituent superconducting qubits. Determining the dominant sources of this excess noise will lead to a…

Quantum Physics · Physics 2022-04-06 Sergey Pereverzev , Gianpaolo Carosi , Viacheslav Li

Superconducting nanowire single-photon detectors (SNSPDs) show near unity efficiency, low dark count rate, and short recovery time. Combining these characteristics with temporal control of SNSPDs broadens their applications as in active…

Recent advances in photon detectors have resulted in high-density imaging arrays that offer many performance and cost advantages. In particular, the excellent transit time spread of certain devices show promise to provide tangible benefits…

Instrumentation and Detectors · Physics 2009-04-17 Gary S. Varner , Larry L. Ruckman

We probe the local detection efficiency in a nanowire superconducting single-photon detector along the cross-section of the wire with a spatial resolution of 10 nm. We experimentally find a strong variation in the local detection efficiency…

Latching is a serious issue in superconducting nanowire single-photon detector (SNSPD) technology. By extensively studying the electrical transportation characteristics of SNSPD with different bias schemes, we conclude that latching is a…

Since their first demonstration in 2001, superconducting-nanowire single-photon detectors have witnessed two decades of great developments. SNSPDs are the detector of choice in most modern quantum optics experiments and are slowly finding…

We report a compact, scalable, and high-performance superconducting nanowire single-photon detector (SNSPD) array by using a multichannel optical fiber array-coupled configuration. For single pixels with an active area of 18 um in diameter…

Instrumentation and Detectors · Physics 2021-01-29 Wei-Jun Zhang , Guang-Zhao Xu , Li-Xing You , Cheng-Jun Zhang , Hao Huang , Xin Ou , Xing-Qu Sun , Jia-Min Xiong , Hao Li , Zhen Wang , Xiao-Ming Xie

In this paper we briefly review the state-of-the-art of intrinsic photon-number resolution (PNR) with superconducting nanowire single-photon detectors (SNSPDs) and will provide an overview of the various experimental techniques employed to…

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,…

Superconducting nanowire single photon detectors are capable of single-photon detection across a large spectral range, with near unity detection efficiency, picosecond timing jitter, and sub-10 $\mu$m position resolution at rates as high as…

Instrumentation and Detectors · Physics 2020-03-18 T. Polakovic , W. R. Armstrong , V. Yefremenko , J. E. Pearson , K. Hafidi , G. Karapetrov , Z. -E. Meziani , V. Novosad

Superconducting nanowire single-photon detectors (SNSPDs) with high timing resolution and low background counts in the mid infrared (MIR) have the potential to open up numerous opportunities in fields such as exoplanet searches, direct dark…

Single Photon Detectors (SPD) are fundamental to quantum optics and quantum information. Superconducting Nanowire SPDs (SNSPD) [1] provide high performance in terms of quantum efficiency (QE), dark count rate (DCR) and timing jitter [2],…

Quantum Physics · Physics 2012-02-02 Mohsen K. Akhlaghi , A. Hamed Majedi

Although superconducting nanowire single-photon detectors (SNSPDs) are well studied regarding the detection of infrared/optical photons and keV-molecules, no studies on continuous X-ray photon counting by thick-film detectors have been…

Superconductivity · Physics 2012-10-24 Kevin Inderbitzin , Andreas Engel , Andreas Schilling , Konstantin Il'in , Michael Siegel

We present the first detailed study of an 8-channel $2\times2$ mm$^{2}$ WSi superconducting microwire single photon detector (SMSPD) array exposed to 120 GeV proton beam and 8 GeV electron and pion beam at the Fermilab Test Beam Facility.…

We present superconducting nanowire single-photon detectors (SNSPDs) based on few-layer NbSe$_2$ fully encapsulated with hexagonal boron nitride (hBN), demonstrating single-photon sensitivity. Our fabrication process preserves the…

We report the fabrication of a superconducting nanowire single-photon detector (SSPD or SNSPD) with an ultralow dark count rate. By introducing optical band-pass filters at the input of the SSPD and cooling the filters at 3 K, the dark…

Superconductivity · Physics 2014-08-27 H. Shibata , K. Shimizu , H. Takesue , Y. Tokura