Directional emission and universal far-field behavior from semiconductor lasers with limaccedilon-shaped microcavity
Publication information:
Changling Yan, Qijie Wang, Laurent Diehl, Martina Hentschel, Jan Wiersig, Nanfang Yu, Christian Pfluegl, Federico Capasso, Mikhail A. Belkin, Tadataka Edamura, Masamichi Yamanishi, and Hirofumi Kan. 2009. “Directional Emission and Universal Far-Field Behavior from Semiconductor Lasers With Limaccedilon-Shaped Microcavity”. APPLIED PHYSICS LETTERS, 94, 25. doi:10.1063/1.3153276
Abstract
We report experimental demonstration of directional light emission from limaccedilon-shaped microcavity semiconductor lasers. Quantum cascade lasers (QCLs) emitting at lambda approximate to 10 mu m are used as a model system. Both ray optics and wave simulations show that for deformations in the range 0.37