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Properties of a laser based on evanescent-wave amplification

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journal contribution
posted on 2024-07-09, 23:12 authored by Vitaly V. Datsuyk, Saulius JuodkazisSaulius Juodkazis, Hiroaki Misawa
The criteria for lasing in a dielectric sphere surrounded by ah active medium are given. They are presented in simple analytical form and confirmed by numeric calculations of the amplitudes of the morphology-dependent resonances in spontaneous emission spectra. The determined lasing threshold of this novel-type laser is compared with that of a conventional spherical laser with ah optically active internal layer. The diverse advantages of a laser based on the gain of the evanescent part of a whispering-gallery mode are discussed.

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ISSN

0740-3224

Journal title

Journal of the Optical Society of America B: Optical Physics

Volume

22

Issue

7

Pagination

7 pp

Publisher

Optical Society of America

Copyright statement

Copyright © 2005 Optical Society of America. This paper was published in Journal of the Optical Society of America B: Optical Physics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/josab.22.001471. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

Language

eng

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