Single-Photon Avalanche Diode with kHz Dark Count Rates at Room Temperature for O-Band QKD
By switching from InGaAs to InGaAsP we improve the SPAD dark count rate from 18 kHz to 4.9 kHz for a photon detection efficiency of 20% at 293 K in the O-band. Intrinsic C-band suppression is 18.5 dB.
Authors
- Patrick Runge (ORCID: https://orcid.org/0000-0001-7158-6385)
- Pascal Rustige (ORCID: https://orcid.org/0000-0001-7887-0063)
- Eddy Collin (ORCID: https://orcid.org/0000-0002-4460-5656)
- Martin Schell (ORCID: https://orcid.org/0000-0002-5632-0105)
Institutions
- Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute (DE)
Publication Details
- Published
- 2025-09-28
- DOI
- https://doi.org/10.1109/ecoc66593.2025.11263161
- Primary Topic
- Advanced Optical Sensing Technologies
- Type
- article
- Field-Weighted Citation Impact
- 0.00