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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 25 — Dec. 16, 2013
  • pp: 30336–30349

Theory and experiment of submonolayer quantum-dot metal-cavity surface-emitting microlasers

Pengfei Qiao, Chien-Yao Lu, Dieter Bimberg, and Shun Lien Chuang  »View Author Affiliations

Optics Express, Vol. 21, Issue 25, pp. 30336-30349 (2013)

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We present a theoretical model for metal-cavity submonolayer quantum-dot surface-emitting microlasers, which operate at room temperature under electrical injection. Size-dependent lasing characteristics are investigated experimentally and theoretically with device radius ranging from 5 μm to 0.5 μm. The quantum dot emission and cavity optical properties are used in a rate-equation model to study the laser light output power vs. current behavior. Our theory explains the observed size-dependent physics and provides a guide for future device size reduction.

© 2013 Optical Society of America

OCIS Codes
(140.5960) Lasers and laser optics : Semiconductor lasers
(140.3948) Lasers and laser optics : Microcavity devices
(140.7260) Lasers and laser optics : Vertical cavity surface emitting lasers
(250.5590) Optoelectronics : Quantum-well, -wire and -dot devices

ToC Category:
Lasers and Laser Optics

Original Manuscript: October 1, 2013
Revised Manuscript: November 19, 2013
Manuscript Accepted: November 19, 2013
Published: December 3, 2013

Pengfei Qiao, Chien-Yao Lu, Dieter Bimberg, and Shun Lien Chuang, "Theory and experiment of submonolayer quantum-dot metal-cavity surface-emitting microlasers," Opt. Express 21, 30336-30349 (2013)

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