Improved sinusoidal gating with balanced InGaAs/InP Single Photon Avalanche Diodes

We report balanced InGaAs/InP single photon avalanche diodes (SPADs) operated in sinusoidal gating mode with a tunable phase shifter to reduce common mode noise. This technique enables detection of small avalanche pulses, which results in reduced afterpulsing. For laser repletion rate of 20 MHz at 2...

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Bibliographic Details
Published in:Optics express 2013-07, Vol.21 (14), p.16716-16721
Main Authors: Lu, Zhiwen, Sun, Wenlu, Zhou, Qiugui, Campbell, Joe, Jiang, Xudong, Itzler, Mark A
Format: Article
Language:English
Subjects:
Arsenicals - chemistry
Equipment Design
Equipment Failure Analysis
Gallium - chemistry
Indium - chemistry
Lasers
Phosphines - chemistry
Photometry - instrumentation
Refractometry - instrumentation
Semiconductors
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Summary:We report balanced InGaAs/InP single photon avalanche diodes (SPADs) operated in sinusoidal gating mode with a tunable phase shifter to reduce common mode noise. This technique enables detection of small avalanche pulses, which results in reduced afterpulsing. For laser repletion rate of 20 MHz at 240 K, the dark count rate for photon detection efficiency of 10% is 8.9 kHz.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.21.016716