Photoluminescence measurements of quantum-dot-containing semiconductor microdisk resonators using optical fiber taper waveguides

Kartik Srinivasan, Andreas Stintz, Sanjay Krishna, and Oskar Painter
Phys. Rev. B 72, 205318 – Published 10 November 2005

Abstract

Optical fiber taper waveguides are used to improve the efficiency of room temperature photoluminescence measurements of AlGaAs microdisk resonant cavities with embedded self-assembled InAs quantum dots. As a near-field collection optic, the fiber taper improves the collection efficiency from microdisk lasers by a factor of 15100 times in comparison to conventional normal incidence free-space collection techniques. In addition, the fiber taper can serve as an efficient means for pumping these devices, and initial measurements employing fiber pumping and collection are presented. Implications of this work towards chip-based cavity quantum electrodynamics experiments are discussed.

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  • Received 11 June 2005

DOI:https://doi.org/10.1103/PhysRevB.72.205318

©2005 American Physical Society

Authors & Affiliations

Kartik Srinivasan1,*, Andreas Stintz2, Sanjay Krishna2, and Oskar Painter1

  • 1Thomas J. Watson, Sr., Laboratory of Applied Physics, California Institute of Technology, Pasadena, California 91125, USA
  • 2Center for High Technology Materials, University of New Mexico, Albuquerque, New Mexico 87101, USA

  • *Electronic address: kartik@caltech.edu

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Issue

Vol. 72, Iss. 20 — 15 November 2005

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