High resolution hold-off time control circuit for Geiger-mode avalanche photodiodes

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Deng, Shijie
Morrison, Alan P.
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Institute of Electrical and Electronics Engineers (IEEE)
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A high-resolution hold-off time control circuit for Geiger-mode avalanche photodiodes (GM-APDs) that enables linear changes to the hold-off time from several nanoseconds to microseconds is presented. The resolution of the hold-off time can be varied from nanoseconds to tens of nanoseconds with a range up to 1.2 μs to cater for a variety of GM-APDs. This circuit allows setting of the optimal `afterpulse-free' hold-off time for any GM-APD through digital inputs or additional signal processing circuitry. The layout area is 95 μm × 55 μm which makes it suitable for use with APD arrays. The APD is automatically reset following the end of the hold-off period.
Avalanche photodiodes , Digital signal processing chips , GM-APD , Geiger-mode avalanche photodiode , Digital input , High-resolution hold-off time control circuit , Microsecond , Nanosecond , Optimal after pulse-free hold-off time , Signal processing circuitry , Anodes , Clocks , Integrated circuit modeling , Layout , MOSFETs , Afterpulsing , Geiger-mode avalanche photodiodes , High-resolution , Hold-off time
Deng, S. and Morrison, A. P. (2012) 'High resolution hold-off time control circuit for Geiger-mode avalanche photodiodes', MIXDES 2012, 19th International Conference Mixed Design of Integrated Circuits and Systems, Warsaw, Poland, 24 - 26 May. Available online: https://ieeexplore.ieee.org/document/6225758/
© 2012 by Department of Microelectronics & Computer Science, Technical University of Lodz. Published by IEEE.