InGaAs/InP single-photon counting module running up to 133 MHz

A. Tosi; A. Della Frera; A. Bahgat Shehata; C. Scarcella; F. Acerbi; F. Zappa

doi:10.1117/12.908406

20 January 2012 InGaAs/InP single-photon counting module running up to 133 MHz

A. Tosi, A. Della Frera, A. Bahgat Shehata, C. Scarcella, F. Acerbi, F. Zappa

Proceedings Volume 8268, Quantum Sensing and Nanophotonic Devices IX; 82681S (2012) https://doi.org/10.1117/12.908406
Event: SPIE OPTO, 2012, San Francisco, California, United States

Abstract

We present new circuital solutions for operating InGaAs/InP SPADs at high speed with very fast avalanche quenching time. A compact wide-band pulse generator (mounted close to the detector) is able to gate the SPAD at a repetition frequency from 200 Hz up to 133 MHz. An adjustable amplitude gate-driver allows to trade-off between photon detection efficiency and dark count rate, while a variable gate-width precisely selects the time interval during which the detector is ON. A fast avalanche-quenching scheme, working on both SPAD's anode and cathode, is able to minimize quenching action to less than 1 ns, thus effectively reducing afterpulsing through a decreased total charge flowing through the junction. We integrated all such circuits into a compact detection module, together with a previouslyreported differential read-out electronics for low time-jitter response. The performance of the overall module is good in many different setting points, thus being able to satisfy a wide variety of applications.

Citation Download Citation

A. Tosi, A. Della Frera, A. Bahgat Shehata, C. Scarcella, F. Acerbi, and F. Zappa "InGaAs/InP single-photon counting module running up to 133 MHz", Proc. SPIE 8268, Quantum Sensing and Nanophotonic Devices IX, 82681S (20 January 2012); https://doi.org/10.1117/12.908406

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