Avalanche photodiodes for near-infrared photon counting

Sergio D. Cova; Andrea L. Lacaita; Franco Zappa; Piergiorgio G. Lovati

doi:10.1117/12.208529

8 May 1995 Avalanche photodiodes for near-infrared photon counting

Sergio D. Cova, Andrea L. Lacaita, Franco Zappa, Piergiorgio G. Lovati

Proceedings Volume 2388, Advances in Fluorescence Sensing Technology II; (1995) https://doi.org/10.1117/12.208529
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

We report the photon-counting and timing performance of various Single-Photon Avalanche Diodes (SPADs) employed to detect single photons in the near-infrared wavelength range. Suitable Silicon structures achieve high quantum efficiency (70% at 800 nm) and can work up to 1.1 micrometers . Ge SPADs and InGaAs devices are sensitive up to 1.4 micrometers and 1.6 micrometers , respectively, wit ha few percent-quantum efficiencies. We compare these results with the performance of state-of-the-art photomultiplier tubes with extended near-infrared sensitivity. We also report the first results obtained with a germanium quad-cell sensor, which may be considered the first step towards the development of SPAD arrays.

Citation Download Citation

Sergio D. Cova, Andrea L. Lacaita, Franco Zappa, and Piergiorgio G. Lovati "Avalanche photodiodes for near-infrared photon counting", Proc. SPIE 2388, Advances in Fluorescence Sensing Technology II, (8 May 1995); https://doi.org/10.1117/12.208529

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