Silicon photon counting detector optical cross-talk effect

Ivan Prochazka; Karel Hamal; Lukas Kral; Josef Blazej

doi:10.1117/12.675634

18 April 2006 Silicon photon counting detector optical cross-talk effect

Ivan Prochazka, Karel Hamal, Lukas Kral, Josef Blazej

Proceedings Volume 6180, Photonics, Devices, and Systems III; 618001 (2006) https://doi.org/10.1117/12.675634
Event: Photonics, Devices, and Systems III, 2005, Prague, Czech Republic

Abstract

Avalanche photodiodes specifically designed for single photon counting semiconductor avalanche structures have been developed on the basis of various materials: Si, Ge, GaP, GaAs and InGaAs at the Czech Technical University in Prague during the last 20 years. They have been tailored for numerous applications. Recently, there is a strong demand for the photon counting detector in a form of an array; even small arrays 10×1 or 3×3 are of great importance for users. Although the photon counting array can be manufactured, there exists a serious limitation for its performance: the optical cross-talk between individual detecting cells. This cross-talk is caused by the optical emission of the avalanche photon counting structure which accompanies the avalanche multiplication process. We have studied in detail the optical emission of the avalanche photon counting structure in the silicon shallow junction type photodiode. The timing properties, radiation pattern and spectral distribution of the emitted light have been measured for various detection structures and their different operating conditions. The ultimate limit for the cross-talk has been determined and the methods for its limitation have been proposed.

Citation Download Citation

Ivan Prochazka, Karel Hamal, Lukas Kral, and Josef Blazej "Silicon photon counting detector optical cross-talk effect", Proc. SPIE 6180, Photonics, Devices, and Systems III, 618001 (18 April 2006); https://doi.org/10.1117/12.675634

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