Analysis and modeling of optical crosstalk in InP-based Geiger-mode avalanche photodiode FPAs

Quan Chau; Xudong Jiang; Mark A. Itzler; Mark Entwistle; Brian Piccione; Mark Owens; Krystyna Slomkowski

doi:10.1117/12.2177082

13 May 2015 Analysis and modeling of optical crosstalk in InP-based Geiger-mode avalanche photodiode FPAs

Quan Chau, Xudong Jiang, Mark A. Itzler, Mark Entwistle, Brian Piccione, Mark Owens, Krystyna Slomkowski

Author Affiliations +

Proceedings Volume 9492, Advanced Photon Counting Techniques IX; 94920O (2015) https://doi.org/10.1117/12.2177082
Event: SPIE Sensing Technology + Applications, 2015, Baltimore, MD, United States

Abstract

Optical crosstalk is a major factor limiting the performance of Geiger-mode avalanche photodiode (GmAPD) focal plane arrays (FPAs). This is especially true for arrays with increased pixel density and broader spectral operation. We have performed extensive experimental and theoretical investigations on the crosstalk effects in InP-based GmAPD FPAs for both 1.06-μm and 1.55-μm applications. Mechanisms responsible for intrinsic dark counts are Poisson processes, and their inter-arrival time distribution is an exponential function. In FPAs, intrinsic dark counts and cross talk events coexist, and the inter-arrival time distribution deviates from purely exponential behavior. From both experimental data and computer simulations, we show the dependence of this deviation on the crosstalk probability. The spatial characteristics of crosstalk are also demonstrated. From the temporal and spatial distribution of crosstalk, an efficient algorithm to identify and quantify crosstalk is introduced.

Citation Download Citation

Quan Chau, Xudong Jiang, Mark A. Itzler, Mark Entwistle, Brian Piccione, Mark Owens, and Krystyna Slomkowski "Analysis and modeling of optical crosstalk in InP-based Geiger-mode avalanche photodiode FPAs", Proc. SPIE 9492, Advanced Photon Counting Techniques IX, 94920O (13 May 2015); https://doi.org/10.1117/12.2177082

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