Switchable Lasing in Multimode Microcavities

Sergei V. Zhukovsky, Dmitry N. Chigrin, Andrei V. Lavrinenko, and Johann Kroha
Phys. Rev. Lett. 99, 073902 – Published 15 August 2007

Abstract

We propose the new concept of a switchable multimode microlaser. As a generic, realistic model of a multimode microresonator a system of two coupled defects in a two-dimensional photonic crystal is considered. We demonstrate theoretically that lasing of the cavity into one selected resonator mode can be caused by injecting an appropriate optical pulse at the onset of laser action (injection seeding). Temporal mode-to-mode switching by reseeding the cavity after a short cooldown period is demonstrated by direct numerical solution. A qualitative analytical explanation of the mode switching in terms of the laser bistability is presented.

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  • Received 25 January 2007

DOI:https://doi.org/10.1103/PhysRevLett.99.073902

©2007 American Physical Society

Authors & Affiliations

Sergei V. Zhukovsky1,*, Dmitry N. Chigrin1, Andrei V. Lavrinenko2, and Johann Kroha1

  • 1Physikalisches Institut, Universität Bonn, Nussallee 12, D-53115 Bonn, Germany
  • 2COM-DTU and Nano-DTU, Technical University of Denmark, Building 345V, DK-2800 Kongens Lyngby, Denmark

  • *sergei@physik.uni-bonn.de

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Vol. 99, Iss. 7 — 17 August 2007

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