Active quench and reset integrated circuit with novel hold-off time control logic for Geiger-mode avalanche photodiodes
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Date
2012-09-15
Authors
Deng, Shijie
Morrison, Alan P.
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Volume Title
Publisher
Optical Society of America
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Abstract
This Letter presents an active quench-and-reset circuit for Geiger-mode avalanche photodiodes (GM-APDs). The integrated circuit was fabricated using a conventional 0.35 μm complementary metal oxide semiconductor process. Experimental results show that the circuit is capable of linearly setting the hold-off time from several nanoseconds to microseconds with a resolution of 6.5 ns. This allows the selection of the optimal afterpulse-free hold-off time for the GM-APD via external digital inputs or additional signal processing circuitry. Moreover, this circuit resets the APD automatically following the end of the hold-off period, thus simplifying the control for the end user. Results also show that a minimum dead time of 28.4 ns is achieved, demonstrating a saturated photon-counting rate of 35.2 Mcounts/s.
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Keywords
Photodetectors , Avalanche photodiodes (APDs) , Avalanche photodiodes , Complementary metal oxide semiconductors , Photon counting , Signal processing , Silicon , Statistics
Citation
Deng, S. and Morrison, A. P. (2012) 'Active quench and reset integrated circuit with novel hold-off time control logic for Geiger-mode avalanche photodiodes', Optics Letters, 37(18), pp. 3876-3878. doi: 10.1364/OL.37.003876
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© 2012 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.