Synchronized ultrafast fiber lasers for single-photon upconversion detection

Kun Huang; Yinqi Wang; Heping Zeng

doi:10.1117/12.2574887

10 October 2020 Synchronized ultrafast fiber lasers for single-photon upconversion detection

Kun Huang, Yinqi Wang, Heping Zeng

Proceedings Volume 11544, High-Power Lasers and Applications XI; 1154403 (2020) https://doi.org/10.1117/12.2574887
Event: SPIE/COS Photonics Asia, 2020, Online Only

Abstract

We have proposed and implemented an all-optical passive synchronization fiber laser system, which was used to facilitate high-performance coincidence frequency upconversion detection for infrared photons. Thanks to the intensive peak power and spectro-temporal pulse engineering, the conversion efficiency could be boosted up to 80% for near- and mid-infrared signal photons. Meanwhile, the background noise was substantially suppressed by confining the pump-induced noise within a narrow excitation window. The demonstrated ultra-sensitive upconversion detector would find promising applications in remote sensing, long-distance ranging and trace detection.

Conference Presentation

Citation Download Citation

Kun Huang, Yinqi Wang, and Heping Zeng "Synchronized ultrafast fiber lasers for single-photon upconversion detection", Proc. SPIE 11544, High-Power Lasers and Applications XI, 1154403 (10 October 2020); https://doi.org/10.1117/12.2574887

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