2005
DOI: 10.1364/josab.22.001471
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Properties of a laser based on evanescent-wave amplification

Abstract: The criteria for lasing in a dielectric sphere surrounded by an 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 an optically active internal layer. The diverse advantages of a laser based on the gain of the evanescent part of a whispering-gallery … Show more

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Cited by 12 publications
(10 citation statements)
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“…The principles of such laser are given in Ref. 189. Laser-manipulated active lasing micro-spheres are utilized for basic studies of quantum electrodynamics 190 as well as being potential light-sources in micro-mechanical and micro-fluidic applications.…”
Section: Photo-structuring By Laser Tweezersmentioning
confidence: 99%
See 1 more Smart Citation
“…The principles of such laser are given in Ref. 189. Laser-manipulated active lasing micro-spheres are utilized for basic studies of quantum electrodynamics 190 as well as being potential light-sources in micro-mechanical and micro-fluidic applications.…”
Section: Photo-structuring By Laser Tweezersmentioning
confidence: 99%
“…Spherical cavities store light energy predominantly in a subsurface layer, 189,190 where spatial and spectral concentration of electromagnetic energy takes place. Inelastic light scattering is proportional to the square of the Purcell factor, which accounts for an increase of photon density of states at the resonance frequency.…”
Section: Photo-structuring By Laser Tweezersmentioning
confidence: 99%
“…In addition, a fully quantum-mechanical investigation using time-dependent density-functional theory is even better [43]. Moreover, many works on the calculation of spontaneous emission near spherical structures were proposed [44][45][46], and the change of spontaneous emission of radiation near a dielectric sphere could result in metal enhanced fluorescence or surface enhanced fluorescence. It is of interest to take into account the spontaneous emission within our model.…”
Section: Discussionmentioning
confidence: 99%
“…Recent advances in micro-photonics have demonstrated lasing in systems where optical feedback occurs due to disorder, multiple scattering, and Anderson localization [1,2,3,4] rather than the usual set of discrete mirrors and distributed feedback (DFB) of other types of cavity coupling [5,6]. Lasing in random structures [1,3,7,8,9,10] has gained wide interest from both theoretical and applied science fields.…”
Section: Introductionmentioning
confidence: 99%