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GaAs-based MOEMS tunable RCE photodetector with single cantilever beam

  • Zhen Zhou*
  • , Qin Han
  • , Yun Du
  • , Xiaohong Yang
  • , Ronghan Wu
  • , Yongqing Huang
  • , Xiaomin Ren
  • *Corresponding author for this work
  • Beijing University of Posts and Telecommunications
  • CAS - Institute of Semiconductors

Research output: Contribution to journalArticlepeer-review

Abstract

A GaAs-based micro-opto-electro-mechanical-systems (MOEMS) tunable resonant cavity enhanced (RCE) photodetector with a continuous tuning range of 31 nm under a 6 V tuning voltage is demonstrated. The single cantilever beam structure is adopted for this MOEMS tunable RCE photodetector. The maximum and minimum peak quantum efficiency during the tuning are 36.9% and 30.8% respectively. The maximum and minimum full-width-at-half-maximum (FWHM) are 20 nm and 14 nm, respectively. The dark current density is 7.46 A/m2 without bias.

Original languageEnglish
Pages (from-to)1087-1093
Number of pages7
JournalPan Tao Ti Hsueh Pao/Chinese Journal of Semiconductors
Volume26
Issue number6
StatePublished - Jun 2005
Externally publishedYes

Keywords

  • GaAs
  • MOEMS
  • Photodetector
  • RCE
  • Single cantilever beam
  • Tuning

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