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Proceedings Paper

Design and experimental study on the grating outcouplers providing the controlled 2D-intensity profile of the output beam from a broad area laser diode
Author(s): Oleg V. Smolski; Viktor O. Smolski; Eric C. Browy; Eric G. Johnson; Zane A. Shellenbarger
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Paper Abstract

We present a method of designing a grating outcoupler to obtain the desired 1D- and 2D-intensity profile of the optical beam emitted by a grating coupled surface emitting laser. The method is based on variation of the periodicity, duty cycle, and the groove tilt angle of the grating. Grating design involves numerical analysis of the optical field propagated through the grating, by applying the Rigorous Coupled Wave Approach method. Experimental evaluation of the designed grating components was done by fabrication and testing the broad area semiconductor lasers with the monolithically integrated grating outcouplers. We also present a grating design which provides the spreading of a single optical output into multi-beams at different outcoupling angles in the emitting plane.

Paper Details

Date Published: 2 February 2012
PDF: 6 pages
Proc. SPIE 8267, Optoelectronic Interconnects XII, 826712 (2 February 2012); doi: 10.1117/12.910154
Show Author Affiliations
Oleg V. Smolski, The Univ. of North Carolina at Charlotte (United States)
Viktor O. Smolski, The Univ. of North Carolina at Charlotte (United States)
Eric C. Browy, The Univ. of North Carolina at Charlotte (United States)
Eric G. Johnson, The Univ. of North Carolina at Charlotte (United States)
Zane A. Shellenbarger, SRI International Sarnoff (United States)

Published in SPIE Proceedings Vol. 8267:
Optoelectronic Interconnects XII
Alexei L. Glebov; Ray T. Chen, Editor(s)

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