Ultrafast photoconductive switches integrated with electrical waveguides of low-k polyimide

Shuichi Yagi; Taro Itatani; Hitoshi Kawanami; Sucheta Gorwadkar; Takayuki Uemura; Takafumi Fukushima; Hiroshi Itatani; Masao Tomoi; Munecazu Tacano

doi:10.1117/12.474331

17 February 2003 Ultrafast photoconductive switches integrated with electrical waveguides of low-k polyimide

Shuichi Yagi, Taro Itatani, Hitoshi Kawanami, Sucheta Gorwadkar, Takayuki Uemura, Takafumi Fukushima, Hiroshi Itatani, Masao Tomoi, Munecazu Tacano

Author Affiliations +

Proceedings Volume 4833, Applications of Photonic Technology 5; (2003) https://doi.org/10.1117/12.474331
Event: Applications of Photonic Technology 5, 2002, Quebec City, Canada

Abstract

We have fabricated ultrafast electrical waveguides with low-k polyimide integrated with ultrafast photoconductive switches formed by nano-anodization process for the first time. Electrical signals are affected by nonlinear capacitance of p-n junctions in this waveguides, and pass through the low-k polyimide, so the dielectric loss and the radiation loss are dramatically reduced. The electrical pulses as short as 290 fs were measured on this waveguide by an electro-optic sampling system based on a femtosecond laser.

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Shuichi Yagi, Taro Itatani, Hitoshi Kawanami, Sucheta Gorwadkar, Takayuki Uemura, Takafumi Fukushima, Hiroshi Itatani, Masao Tomoi, and Munecazu Tacano "Ultrafast photoconductive switches integrated with electrical waveguides of low-k polyimide", Proc. SPIE 4833, Applications of Photonic Technology 5, (17 February 2003); https://doi.org/10.1117/12.474331

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