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Single-mode operation of a large optically pumped triangular laser with lateral air trenches

Liu, Danyu; Hattori, Haroldo T; Fu, Lan; Tan, Hark Hoe; Jagadish, Chennupati

Description

A triangular resonator has fewer modes than other polygonal lasers such as microdisk and square lasers with similar areas. However, a large resonator with a side of 8 𝜇m can still resonate at many distinct wavelengths. We show experimentally that the introduction of air trenches to the sides of the triangular resonator can lead to single-mode operation of the laser device. The air trenches will considerably increase the radiation losses of most of the resonant modes, except for a mode with...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
URI: http://hdl.handle.net/1885/101724
Source: Journal of the Optical Society of America B
DOI: 10.1364/JOSAB.26.001417

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