A polarization-independent refracting-facet uni-traveling-carrier photodiode with high efficiency and large bandwidth

Yoshifumi Muramoto, Hideki Fukano, Tomofumi Furuta

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

A polarization-independent high-efficiency edge-illuminated refracting-facet photodiode (RFPD) with a uni-traveling-carrier (UTC) structure has been developed. The efficiency is maximized by using a ring-shaped electrode, and the polarization dependence is minimized by designing the layers so that the interferences between the lights reflected from the different interfaces compensate each other. The fabricated RF-UTC-PD shows a responsivity as high as 1.0 A/W with a polarization dependence of less than 0.2 dB. A large 3-dB bandwidth of over 50 GHz at a high operation current of 20 mA is also observed.

Original languageEnglish
Pages (from-to)3830-3834
Number of pages5
JournalJournal of Lightwave Technology
Volume24
Issue number10
DOIs
Publication statusPublished - Oct 1 2006
Externally publishedYes

Keywords

  • Photodetectors
  • Photodiodes (PDs)

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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