Switchable lasing in multimode microcavities

Sergei V. Zhukovsky, Dmitry N. Chigrin, Andrei Lavrinenko, Johann Kroha

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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.
Original languageEnglish
JournalPhysical Review Letters
Volume99
Issue number7
Pages (from-to)073902
ISSN0031-9007
DOIs
Publication statusPublished - 2007

Bibliographical note

Copyright 2007 American Physical Society

Keywords

  • MODEL
  • LASERS
  • TUNABLE PHOTONIC CRYSTAL
  • BAND
  • DYNAMICS
  • WAVE-GUIDES

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