High efficiency optical coupler for a small photo acceptance area photodiode used in the high speed plastic optical fiber communication

Yoshinori Matsumoto, Akimichi Nakazono, Taisuke Kitahara, Yasuhiro Koike

研究成果: Article査読

10 被引用数 (Scopus)

抄録

A high efficiency optical coupler has been developed for high speed plastic optical fiber communication. The coupler was designed for a small photo acceptance area photodiode based on the shape of compound parabolic concentrator. The theoretical efficiency of the coupler for graded index plastic optical fiber (GI-POF) was simulated with ray trace simulation, and the coupling loss was calculated less than 0.4 dB. The coupler was batch fabricated in a glass substrate using sand blast technique. The reflection layer of reflectance 90% was formed by Gold/Nickel mirror plating method. The coupler was bonded with a custom designed high speed PIN photodiode. The photocurrent was 20% higher than the current of a ball lens type PIN photodiode. The cut-off frequency was over 1 Gbps at reverse bias of 1.5 V.

本文言語English
ページ(範囲)318-322
ページ数5
ジャーナルSensors and Actuators, A: Physical
97
98
DOI
出版ステータスPublished - 2002 4 1

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 器械工学
  • 凝縮系物理学
  • 表面、皮膜および薄膜
  • 金属および合金
  • 電子工学および電気工学

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