Recent advances in InGaAs/InP single-photon detectors

Chao Yu; Qi Xu; Jun Zhang

doi:10.1088/1361-6501/ad76ca

Recent advances in InGaAs/InP single-photon detectors

Instrumentation and Detectors 2025-03-07 v1 Quantum Physics

Authors: Chao Yu , Qi Xu , Jun Zhang

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Abstract

Single-photon detectors (SPDs) are widely used in applications requiring extremely weak light detection. In the near-infrared region, SPDs based on InGaAs/InP single-photon avalanche diodes (SPADs) are the primary candidates for practical applications because of their small size, low cost and ease of operation. Driven by the escalating demands for quantum communication and lidar, the performance of InGaAs/InP SPDs has been continuously enhanced. This paper provides a comprehensive review of advances in InGaAs/InP SPDs over the past 10 years, including the investigation into SPAD structures and mechanisms, as well as emerging readout techniques for both gated and free-running mode SPDs. In addition, future prospects are also summarised.

Keywords

single-photon avalanche diodes superconducting nanowire single-photon detectors avalanche detectors

Cite

@article{arxiv.2408.06921,
  title  = {Recent advances in InGaAs/InP single-photon detectors},
  author = {Chao Yu and Qi Xu and Jun Zhang},
  journal= {arXiv preprint arXiv:2408.06921},
  year   = {2025}
}

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Accepted by Measurement Science and Technology

Recent advances in InGaAs/InP single-photon detectors

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