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Conferences > QELS > 1995 > QThL > QThL3
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1995),
  • paper QThL3

Microcavity surface-emitting laser with a 133-μA threshold current

K. L. Lear, K. D. Choquette, R. P. Schneider, S. P. Kilcoyne, and K. M. Ceib

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Abstract

The prospect of thresholdless lasing is tantalizing from the aspects of both complete modal confinement and low-threshold laser applications. Vertical-cavity surface- emitting lasers afford straightforward longitudinal mode control through single-wave cavities and can be defined with small areas for large lateral mode spacings as well. Here we report on studies of a microcavity surface-emitting laser with a 2 x 2-μm2 area and, to our knowledge, the lowest room- temperature current threshold yet reported for any diode laser.

© 1995 Optical Society of America

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