Ultra-Low-Noise Sinusoidally Gated Avalanche Photodiode for High-Speed Single-Photon Detection at Telecommunication Wavelengths

Authors report avalanche signal detection with an ultra-low-noise detector-circuit based on a sinusoidally gated avalanche photodiode (APD). An avalanche gain can be reduced to 10 4 , which results in strong suppression of afterpulsing. The gate repetition frequency reached 2 GHz, which is much high...

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Bibliographic Details
Published in:IEEE photonics technology letters 2010-04, Vol.22 (8), p.529-531
Main Authors: Namekata, N., Adachi, S., Inoue, S.
Format: Article
Language:English
Subjects:
Avalanche photodiode (APD)
Avalanche photodiodes
Avalanches
Bandwidth
Clocks
Conferences
Counting
Detectors
Fiber optics
Frequency
Gain
High speed
Noise reduction
Optical fiber networks
Optical fibers
Photodiodes
Signal detection
sine wave gating
single-photon
Superconducting device noise
telecommunication wavelength
Voltage
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Summary:Authors report avalanche signal detection with an ultra-low-noise detector-circuit based on a sinusoidally gated avalanche photodiode (APD). An avalanche gain can be reduced to 10 4 , which results in strong suppression of afterpulsing. The gate repetition frequency reached 2 GHz, which is much higher than that of the other gated APDs. In addition, the detection efficiency of 10.5% was obtained at 1550 nm with a dark count probability of 6.1 × 10 -7 and an afterpulsing probability of 3.4%.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2010.2042054