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Photonic Quantum Computing

Tunable up-conversion single-photon detector at telecom wavelengths.

PubMed
Authors: Chae JW, Kim JH, Jeong YC, Kim YH

Year

2023

Paper ID

9381

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

95

Citations

8

Abstract

Up-conversion single-photon detectors (UCSPD) are based on sum-frequency generation of the telecom band single-photons to near-infrared wavelengths at which efficient and low-noise silicon single-photon detectors are available. Moreover, because of high dynamic range of silicon single-photon detectors, UCSPD is suitable for high-speed quantum communication. UCSPDs reported to date, however, have a very narrow fixed window of detectable wavelengths, severely limiting their applications in wavelength-multiplexed quantum networks. In this work, we report a tunable UCSPD module that covers the complete telecom C band, making it suitable for quantum communication networks based on sharing wavelength-multiplexed entangled photons.

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  • This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
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  • Up-conversion single-photon detectors (UCSPD) are based on sum-frequency generation of the telecom band single-photons to near-infrared wavelengths at which efficient and...

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References & Citation Signals

[1] DOI https://doi.org/10.1515/nanoph-2022-0528 [2] Publisher https://pubmed.ncbi.nlm.nih.gov/39635409/

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