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Ultralow threshold current vertical-cavity surface-emittinglasersobtained with selective oxidation

  • University of Southern California

Research output: Contribution to journalJournal articlepeer-review

Abstract

The authors report InGaAs single quantum well vertical-cavity surface-emitting lasers with an intracavity p-contact fabricated by selective oxidation of AlAs and distributed Bragg reflectors composed of binary materials (AlAs/GaAs). Record low threshold currents of 8.7µA in ~3μm square devices and 140µA in 10μm square devices with maximum output powers over 1.2mW are achieved.

Original languageEnglish
Pages (from-to)886-888
Number of pages3
JournalElectronics Letters
Volume31
Issue number11
DOIs
StatePublished - 1995.05.25

Keywords

  • Oxidation
  • Vertical cavity surface emitting lasers

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