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Proceedings Paper

Ultrafast photoconductive switches integrated with electrical waveguides of low-k polyimide
Author(s): Shuichi Yagi; Taro Itatani; Hitoshi Kawanami; Sucheta Gorwadkar; Takayuki Uemura; Takafumi Fukushima; Hiroshi Itatani; Masao Tomoi; Munecazu Tacano
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Paper 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.

Paper Details

Date Published: 17 February 2003
PDF: 10 pages
Proc. SPIE 4833, Applications of Photonic Technology 5, (17 February 2003); doi: 10.1117/12.474331
Show Author Affiliations
Shuichi Yagi, National Institute of Advanced Industrial Science (Japan)
Taro Itatani, National Institute of Advanced Industrial Science (Japan)
Hitoshi Kawanami, Natl Inst of Advanced Industrial Science and Techn (United States)
Sucheta Gorwadkar, PI R&D Co. Ltd. Toho. (Japan)
Takayuki Uemura, Yokohama National Univ. (United States)
Takafumi Fukushima, Yokohama National Univ. (Japan)
Hiroshi Itatani, PI R&D Co. (Japan)
Masao Tomoi, Yokohama National Univ. (Japan)
Munecazu Tacano, Meisei Univ. (United States)


Published in SPIE Proceedings Vol. 4833:
Applications of Photonic Technology 5

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