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Proceedings Paper

External-to-cavity lateral-mode harnessing devices for high-brightness broad-area laser diodes: concept, realizations, and perspectives
Author(s): N. Stelmakh
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Paper Abstract

An external linear optical system (with no feedback to the laser) converts the laser's multimode emission into a multilongitudinal but spatially single-mode (diffraction-limited) spot. Recent progress in laser diode mode analysis demonstrating the high stability of the mode pattern of broad-area laser diodes and the development of the low-loss highspectral- resolution phase modulator are the key enablers of such a technique. These advancements led to the demonstration of 60% conversion efficiency of multimode 980 nm diode-laser emissions into a single-mode fiber.

Paper Details

Date Published: 3 February 2009
PDF: 13 pages
Proc. SPIE 7230, Novel In-Plane Semiconductor Lasers VIII, 72301B (3 February 2009); doi: 10.1117/12.808681
Show Author Affiliations
N. Stelmakh, Univ. of Texas, Arlington (United States)

Published in SPIE Proceedings Vol. 7230:
Novel In-Plane Semiconductor Lasers VIII
Alexey A. Belyanin; Peter M. Smowton, Editor(s)

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