High-speed high-power waveguide photodetector with distributed absorption

Serge Jasmin; Alain Enard; Jean Charles Renaud; Nakita Vodjdani

doi:10.1117/12.258996

22 November 1996 High-speed high-power waveguide photodetector with distributed absorption

Serge Jasmin, Alain Enard, Jean Charles Renaud, Nakita Vodjdani

Proceedings Volume 2844, Photonics and Radio Frequency; (1996) https://doi.org/10.1117/12.258996
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

We propose a new microwave photodetector with high responsivity, which can handle both high optical power and deliver high output microwave power. The distributed absorption waveguide photodiode (DWGPD) is specially designed to distribute equally the photocarriers over the maximum surface area available, in order to reduce the non linear effects of electrical response due to electric field screening effects. The expected calculated performances of this DWGPD is compared to other type of broadband photodetectors in terms of linear microwave output power, quantum efficiency and thermal behavior. The first fabricated DWGPDs have a responsivity of 1 A/Watt at 1532 nm, linear response up to 10 mA and cutoff frequency of 18 GHz.

Citation Download Citation

Serge Jasmin, Alain Enard, Jean Charles Renaud, and Nakita Vodjdani "High-speed high-power waveguide photodetector with distributed absorption", Proc. SPIE 2844, Photonics and Radio Frequency, (22 November 1996); https://doi.org/10.1117/12.258996

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