Integrated 100-pixel photon-number-resolving detector

Hong X. Tang; Yiyu Zhou; Risheng Cheng; Sihao Wang; Mohan Shen; Towsif Taher

doi:10.1117/12.2672302

19 July 2023 Integrated 100-pixel photon-number-resolving detector

Hong X. Tang, Yiyu Zhou, Risheng Cheng, Sihao Wang, Mohan Shen, Towsif Taher

Proceedings Volume PC12633, Photonics for Quantum 2023; PC1263309 (2023) https://doi.org/10.1117/12.2672302
Event: Photonics for Quantum, 2023, Rochester, New York, United States

Abstract

Photon-number-revolving detectors are the ultimate measurement tool of light. However, few detectors to date can provide high-fidelity photon number resolution at few-photon levels. Here, we demonstrate an on-chip detector that can resolve up to 100 photons by spatiotemporally multiplexing an array of superconducting nanowires along a single optical waveguide. The unparalleled photon number resolution paired with the high-speed response exclusively allows us to unveil the quantum photon statistics of a true thermal light source in an unprecedented level, which is realized by direct measurement of higher-order correlation function g^(N) with N up to 15 and the observation of photon-subtraction-induced photon number enhancement. Our detector provides a viable route towards various important applications, including photonic quantum computation and quantum metrology.

Conference Presentation

Citation Download Citation

Hong X. Tang, Yiyu Zhou, Risheng Cheng, Sihao Wang, Mohan Shen, and Towsif Taher "Integrated 100-pixel photon-number-resolving detector", Proc. SPIE PC12633, Photonics for Quantum 2023, PC1263309 (19 July 2023); https://doi.org/10.1117/12.2672302

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