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An InP-Based Optothyristor for Pulsed Power-Switching Applications

  • Jian H. Zhao
  • , Robert Lis
  • , Juan Illan
  • , Sigrid McAfee
  • , Debbie Coblentz
  • , Terry Burke
  • , Walter Buchwald
  • , Maurice Weiner
  • , Kenneth A. Jones
  • Rutgers - The State University of New Jersey, New Brunswick
  • Nokia
  • ETD Laboratory

Research output: Contribution to journalArticlepeer-review

Abstract

A high-power InP-based optothyristor has been fabricated and tested for pulsed power switching. To increase the power handling capability, the device has a 250-μm-thick Fe-doped semi-insulating (SI) InP sandwiched between two p-n junctions grown by MOCVD. The device turn-on is controlled by optical illumination on the Sl-InP, which creates a high concentration of electron and hole pairs. The switched current and the di/dt rating have been studied as a function of the switch blocking voltage. It is shown that the optothyristor is capable of switching a current almost four times the current switched by a bulk Sl-InP photoconductive switch under the same voltage bias.

Original languageEnglish
Pages (from-to)140-142
Number of pages3
JournalIEEE Electron Device Letters
Volume14
Issue number3
DOIs
StatePublished - Mar 1993

ASJC Scopus Subject Areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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