scholarly journals First-in-clinical application of a time-gated diffuse correlation spectroscopy system at 1064nm using superconducting nanowire single photon detectors

2021 ◽  
Author(s):  
Chien-Sing Poon ◽  
Dharminder S. Langri ◽  
Benjamin Rinehart ◽  
Timothy M. Rambo ◽  
Aaron J. Miller ◽  
...  
Keyword(s):  
Single Photon ◽  
Early Stage ◽  
Correlation Spectroscopy ◽  
High Temporal Resolution ◽  
Single Photon Detector ◽  
Photon Detectors ◽  
Main Challenge ◽  
Effective Attenuation Coefficient ◽  
Neuroscience Intensive Care Unit ◽  
Superconducting Nanowire

Recently proposed time-gated DCS (TG-DCS) has significant advantages compared to conventional CW-DCS, but it is still in an early stage and clinical capability has yet to be established. The main challenge for TG-DCS is the lower SNR when gating for the deeper travelling late photons. Longer wavelengths, such as 1064nm have a smaller effective attenuation coefficient and a higher power threshold in humans, which significantly increases the SNR. Here, we demonstrate the clinical utility of TG-DCS at 1064 nm in a case study on a patient with severe traumatic brain injury admitted to the neuroscience intensive care unit (NSICU). We showed a significant correlation between TG-DCS early (ρ = 0.67) and late (ρ = 0.76) gated against invasive thermal diffusion flowmetry. We also analyzed TG-DCS at high temporal resolution (50 Hz) to elucidate pulsatile flow data. Overall, this study demonstrates the first clinical translation capability of the TG-DCS system at 1064nm using superconducting nanowire single photon detector.

scholarly journals Fluorescence correlation spectroscopy with visible-wavelength superconducting nanowire single-photon detector

2014 ◽  
Vol 22 (23) ◽  
pp. 28783 ◽  
Author(s):  
Taro Yamashita ◽  
Dengkuan Liu ◽  
Shigehito Miki ◽  
Johtaro Yamamoto ◽  
Tokuko Haraguchi ◽  
...  
Keyword(s):  
Fluorescence Correlation Spectroscopy ◽  
Single Photon ◽  
Correlation Spectroscopy ◽  
Photon Detector ◽  
Single Photon Detector ◽  
Fluorescence Correlation ◽  
Visible Wavelength ◽  
Superconducting Nanowire

scholarly journals Advanced Superconducting Nanowire Single Photon Detectors for Photonic Quantum Technologies

Proceedings ◽  
2018 ◽  
Vol 2 (13) ◽  
pp. 1096
Author(s):  
Jean-Michel Gérard ◽  
Anna Mukhtarova ◽  
Luca Redaelli ◽  
Houssaine Machhadani ◽  
Eva Monroy ◽  
...  
Keyword(s):  
Single Photon ◽  
Photon Detector ◽  
Single Photon Detector ◽  
Photon Detectors ◽  
Single Photon Detectors ◽  
Superconducting Nanowire

In the field of quantum technologies, the superconducting nanowire single photon detector [...]

scholarly journals Development of Multifunction Micro-Pulse Lidar at 1.5 Micrometer

2020 ◽  
Vol 237 ◽  
pp. 07010
Author(s):  
Mingjia Shangguan ◽  
Haiyun Xia ◽  
Xiankang Dou ◽  
Jiawei Qiu ◽  
Chao Yu
Keyword(s):  
Single Photon ◽  
Photon Detector ◽  
Single Photon Detector ◽  
Photon Detectors ◽  
Avalanche Diodes ◽  
Single Photon Detectors ◽  
The University ◽  
Micro Pulse Lidar ◽  
Different Characteristics ◽  
Superconducting Nanowire

Taking advantage of the 1.5 μm lidar, a series of 1.5 μm micro-pulse lidars have been developed at the University of Science and Technology of China, in Hefei, China. According to the different characteristics of three kinds of single-photon detectors at 1.5 μm, namely superconducting nanowire single-photon detector, up-conversion SPDs and InGaAs/InP single-photon avalanche diodes, different kinds of lidar systems have been constructed to realize the detection of atmospheric visibility, cloud, depolarization, wind field at the atmospheric boundary layer.

scholarly journals Quantum photonic integrated circuits with waveguide integrated superconducting nanowire single-photon detectors

2018 ◽  
Vol 190 ◽  
pp. 02004
Author(s):  
Gregory Goltsman
Keyword(s):  
Integrated Circuits ◽  
Single Photon ◽  
Superconducting Devices ◽  
Single Photon Detector ◽  
Photon Detectors ◽  
History Of Development ◽  
Single Photon Detectors ◽  
History Of ◽  
Fluorescent Molecules ◽  
Superconducting Nanowire

We show the design, a history of development as well as the most successful and promising approaches for QPICs realization based on hybrid nanophotonic-superconducting devices, where one of the key elements of such a circuit is a waveguide integrated superconducting single-photon detector (WSSPD). The potential of integration with fluorescent molecules is discussed also.

scholarly journals Superconducting nanowire single-photon detectors for quantum information

Nanophotonics ◽  
2020 ◽  
Vol 9 (9) ◽  
pp. 2673-2692
Author(s):  
Lixing You
Keyword(s):  
Quantum Information ◽  
Quantum Information Processing ◽  
Detection Efficiency ◽  
Single Photon ◽  
Quantum Limit ◽  
Single Photon Detector ◽  
Photon Detectors ◽  
Breaking Effect ◽  
Single Photon Detectors ◽  
Superconducting Nanowire

AbstractThe superconducting nanowire single-photon detector (SNSPD) is a quantum-limit superconducting optical detector based on the Cooper-pair breaking effect by a single photon, which exhibits a higher detection efficiency, lower dark count rate, higher counting rate, and lower timing jitter when compared with those exhibited by its counterparts. SNSPDs have been extensively applied in quantum information processing, including quantum key distribution and optical quantum computation. In this review, we present the requirements of single-photon detectors from quantum information, as well as the principle, key metrics, latest performance issues, and other issues associated with SNSPD. The representative applications of SNSPDs with respect to quantum information will also be covered.

scholarly journals Superconducting nanowire single-photon detectors with non-periodic dielectric multilayers

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Taro Yamashita ◽  
Kentaro Waki ◽  
Shigehito Miki ◽  
Robert A. Kirkwood ◽  
Robert H. Hadfield ◽  
...  
Keyword(s):  
Single Photon ◽  
Photon Detectors ◽  
Single Photon Detectors ◽  
Superconducting Nanowire
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