Ultralow threshold laser using a single quantum dot and a microsphere cavity

Matthew Pelton and Yoshihisa Yamamoto
Phys. Rev. A 59, 2418 – Published 1 March 1999
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Abstract

We propose a novel semiconductor microlaser, made by capturing the light emitted from a single InAs/GaAs quantum dot in the whispering-gallery mode of a glass microsphere. We demonstrate that such an arrangement allows the laser threshold condition to be satisfied. The corresponding threshold current should be several orders of magnitude lower than is currently possible in semiconductor lasers.

  • Received 27 October 1998

DOI:https://doi.org/10.1103/PhysRevA.59.2418

©1999 American Physical Society

Authors & Affiliations

Matthew Pelton and Yoshihisa Yamamoto*

  • ERATO Quantum Fluctuation Project, Edward L. Ginzton Laboratory, Stanford University, Stanford, California 94305

  • *Also at NTT Basic Research Laboratories, Atsugishi, Kanagawa, Japan.

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Vol. 59, Iss. 3 — March 1999

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