Fully integrated InGaAs/InP single-photon detector module with gigahertz sine wave gating
Journal Article
·
· Review of Scientific Instruments
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026 (China)
- Anhui Quantum Communication Technology Co., Ltd., Hefei, Anhui 230088 (China)
InGaAs/InP single-photon avalanche diodes (SPADs) working in the regime of GHz clock rates are crucial components for the high-speed quantum key distribution (QKD). We have developed for the first time a compact, stable, and user-friendly tabletop InGaAs/InP single-photon detector system operating at a 1.25 GHz gate rate that fully integrates functions for controlling and optimizing SPAD performance. We characterize the key parameters of the detector system and test the long-term stability of the system for continuous operation of 75 h. The detector system can substantially enhance QKD performance and our present work paves the way for practical high-speed QKD applications.
- OSTI ID:
- 22093696
- Journal Information:
- Review of Scientific Instruments, Vol. 83, Issue 8; Other Information: (c) 2012 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0034-6748
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
AVALANCHE QUENCHING
COMPACTS
DISTRIBUTION
GALLIUM ARSENIDES
GHZ RANGE
HETEROJUNCTIONS
INDIUM ARSENIDES
INDIUM PHOSPHIDES
OPERATION
OPTIMIZATION
PERFORMANCE
QUANTUM CRYPTOGRAPHY
RADIATION DETECTORS
SEMICONDUCTOR MATERIALS
STABILITY
VELOCITY
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
AVALANCHE QUENCHING
COMPACTS
DISTRIBUTION
GALLIUM ARSENIDES
GHZ RANGE
HETEROJUNCTIONS
INDIUM ARSENIDES
INDIUM PHOSPHIDES
OPERATION
OPTIMIZATION
PERFORMANCE
QUANTUM CRYPTOGRAPHY
RADIATION DETECTORS
SEMICONDUCTOR MATERIALS
STABILITY
VELOCITY