Directional emission of stadium-shaped micro-lasers
arXiv:physics/0609009 · doi:10.1103/PhysRevA.75.033806
Abstract
The far-field emission of two dimensional (2D) stadium-shaped dielectric cavities is investigated. Micro-lasers with such shape present a highly directional emission. We provide experimental evidence of the dependance of the emission directionality on the shape of the stadium, in good agreement with ray numerical simulations. We develop a simple geometrical optics model which permits to explain analytically main observed features. Wave numerical calculations confirm the results.
4 pages, 8 figures
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- Three-dimensional emission from organic Fabry-Perot microlasers
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