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Ultralow threshold current lasers

  • P. Daniel Dapkus*
  • , Michael H. MacDougal
  • , Aaron E. Bond
  • , Gye Mo Yang
  • , Chao Kun Lin
  • , Denis Tishinin
  • , Vasily Pudikov
  • , Yong Cheng
  • , Kushant Uppal
  • *Corresponding author for this work
  • University of Southern California

Research output: Conference(x)Paperpeer-review

Abstract

Ultralow threshold current vertical-cavity surface-emitting lasers (VCSELs) will enable practical laser-based smart pixels. This paper demonstrates and analyzes the role of the oxide in current constriction and optical field control to predict the scaling of VCSELs to microampthresholds. In addition, this paper demonstrates and analyze the impact of high-contrast AlAs oxide/GaAs Bragg mirrors formed by selective oxidation on the performance of VCSELs and studies the trade-offs in device characteristics that arise from use of electrically insulating mirrors.

Original languageEnglish
Pages168-169
Number of pages2
StatePublished - 1996
EventProceedings of the 1996 6th Quantum Electronics and Laser Science Conference, QELS - Anaheim, CA, USA
Duration: 1996.06.21996.06.7

Conference

ConferenceProceedings of the 1996 6th Quantum Electronics and Laser Science Conference, QELS
CityAnaheim, CA, USA
Period96.06.296.06.7

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