High-performance guard ring p-i-n photodetectors for digital fiber optic communications

Babatunde Odubanjo; Chen-Show Wang; Wen I. Wang

doi:10.1117/12.271175

15 April 1997 High-performance guard ring p-i-n photodetectors for digital fiber optic communications

Babatunde Odubanjo, Chen-Show Wang, Wen I. Wang

Proceedings Volume 2999, Photodetectors: Materials and Devices II; (1997) https://doi.org/10.1117/12.271175
Event: Photonics West '97, 1997, San Jose, CA, United States

Abstract

A novel guard ring p-i-n photodiode is designed and fabricated to solve the slow-tail problem associated with typical p-i-n photodiodes. The device incorporates an additional diffused p⁺ region around the active layer to circumvent the problem of slower responses due to diffusion currents. The effectiveness of the guard ring in providing low Bit-Error-Rate is quantified. The Extinction Ratio of the device with a 20nsec pulse is in excess of 31 dB.

Citation Download Citation

Babatunde Odubanjo, Chen-Show Wang, and Wen I. Wang "High-performance guard ring p-i-n photodetectors for digital fiber optic communications", Proc. SPIE 2999, Photodetectors: Materials and Devices II, (15 April 1997); https://doi.org/10.1117/12.271175

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