Single-photon avalanche photodiode with improved structure using an innovative current bias scheme

Yonglin Gu; Fow-Sen Choa; Yan Feng; Xiucheng Wu; Stewart Wu; Bing Guan; Peter Su; Michael A. Krainak

doi:10.1117/12.764540

5 February 2008 Single-photon avalanche photodiode with improved structure using an innovative current bias scheme

Yonglin Gu, Fow-Sen Choa, Yan Feng, Xiucheng Wu, Stewart Wu, Bing Guan, Peter Su, Michael A. Krainak

Proceedings Volume 6890, Optical Components and Materials V; 68900N (2008) https://doi.org/10.1117/12.764540
Event: Integrated Optoelectronic Devices 2008, 2008, San Jose, California, United States

Abstract

Single-photon avalanche photodiodes (SPADs) based on an improved structure were fabricated. Measurement results show that SPADs with a sharp rising I-V and gain curves were obtained by controlling SPAD's multiplication region thickness. The tunneling leakage current was reduced. Device's dark count rates (DCR) and single photon detection efficiency (SPDE) were measured using our innovative gated current bias scheme under different operating conditions to obtain a maximum SPDE. The experimental data demonstrated that SPADs' performance can be improved by decreasing the difference between the breakdown voltage and the punch through voltage.

Citation Download Citation

Yonglin Gu, Fow-Sen Choa, Yan Feng, Xiucheng Wu, Stewart Wu, Bing Guan, Peter Su, and Michael A. Krainak "Single-photon avalanche photodiode with improved structure using an innovative current bias scheme", Proc. SPIE 6890, Optical Components and Materials V, 68900N (5 February 2008); https://doi.org/10.1117/12.764540

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