New photodetector with cascaded waveguide photodiodes and resonant electrode structures for millimeter-wave subcarrier optical fiber link system

Keren Li; Masayuki Izutsu

doi:10.1117/12.370200

12 November 1999 New photodetector with cascaded waveguide photodiodes and resonant electrode structures for millimeter-wave subcarrier optical fiber link system

Keren Li, Masayuki Izutsu

Author Affiliations +

Proceedings Volume 3795, Terahertz and Gigahertz Photonics; (1999) https://doi.org/10.1117/12.370200
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

This paper presents a new photodetector operating at millimeter-wave range. The waveguide photodetector structure and a brief principle of the electrode design are described in this paper. By taking the advantages of narrow band operation in millimeter-wave subcarrier optic fiber link system, the proposed photodetector is designed to have cascaded resonant structures and a reflector to achieve high RF output. Resonators and reflector are realized by using one-fourth wavelength shorted stubs and an open stubs of coplanar waveguide, respectively. Velocity matching between optical waves and detected millimeter wave signals are performed by introducing an S-shaped meandering transmission line for the photocurrents.

Citation Download Citation

Keren Li and Masayuki Izutsu "New photodetector with cascaded waveguide photodiodes and resonant electrode structures for millimeter-wave subcarrier optical fiber link system", Proc. SPIE 3795, Terahertz and Gigahertz Photonics, (12 November 1999); https://doi.org/10.1117/12.370200

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