A Wide-range wavelength-tunable photon-pair source for characterizing single-photon detectors

Lijiong Shen; Jianwei Lee; Antony Winata Hartanto; Peng Kian Tan; Kurtsiefer Christian

doi:10.1117/12.2594141

1 August 2021 A Wide-range wavelength-tunable photon-pair source for characterizing single-photon detectors

Lijiong Shen, Jianwei Lee, Antony Winata Hartanto, Peng Kian Tan, Kurtsiefer Christian

Proceedings Volume 11806, Quantum Nanophotonic Materials, Devices, and Systems 2021; 118060R (2021) https://doi.org/10.1117/12.2594141
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States

Abstract

Characterizing the temporal response function of single-photon detectors (SPDs) is essential for quantum communication protocols and time-resolved measurements. Typically, this characterization is obtained from the arrival time statistics of photons from a pulsed laser. In this work, we present an alternative approach using time-correlated photon pairs generated in spontaneous parametric down-conversion (SPDC). We demonstrate a continuous wavelength-tunability from 526 nm to 661 nm for one photon of the pair, and 1050 nm to 1760 nm for the other photon a range comparable to existing pulsed-laser systems. With this source, we characterized single-photon avalanche detectors sensitive to the two distinct wavelength bands, one based on Silicon, the other based on Indium Gallium Arsenide.

Conference Presentation

Citation Download Citation

Lijiong Shen, Jianwei Lee, Antony Winata Hartanto, Peng Kian Tan, and Kurtsiefer Christian "A Wide-range wavelength-tunable photon-pair source for characterizing single-photon detectors", Proc. SPIE 11806, Quantum Nanophotonic Materials, Devices, and Systems 2021, 118060R (1 August 2021); https://doi.org/10.1117/12.2594141

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