Microcavity Vacuum-Field Configuration and the Spontaneous Emission Power

T. Zhang, J. G. Wohlbier, N. Tabatabaie, Kent D. Choquette

Research output: Contribution to journalArticle

Abstract

The axial and lateral spontaneous emission intensities from vertical-cavity laser diodes have been studied both experimentally and theoretically. The measurements show that spontaneous emission from the cavity perimeter (lateral emission) is overwhelmingly larger than the same emanating along the lasing direction (axial emission). A model for lateral and axial spontaneous emission from microcavities is postulated based on one- and two-dimensional vacuum electromagnetic field confinement, respectively. A new cavity mode counting technique is developed and utilized to calculate the spontaneous emission initio. The resulting field configuration theory is in good agreement with the emission intensity measurements.

Original languageEnglish (US)
Pages (from-to)606-615
Number of pages10
JournalIEEE Journal on Selected Topics in Quantum Electronics
Volume1
Issue number2
DOIs
StatePublished - Jun 1995

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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