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Proceedings Paper

Wave-front-engineered grating mirrors for VCSELs
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Paper Abstract

High-index-contrast grating mirrors featuring beam steering abilities for the transmitted beam as well as high reflectivity over a broad bandwidth are suggested. Gratings designed to provide control over the wave front of the transmitted beam are numerically investigated. The proposed structures are then fabricated for experimental characterization. The measurements performed show the beam steering ability of the suggested HCG designs and are also in good agreement with the theoretical predictions. General design rules to engineer these HCG structures for different applications are derived. These grating mirrors would have a significant impact on low cost laser sources fabrication, since a more efficient integration of optoelectronic modules can be achieved by avoiding expensive external lens systems.

Paper Details

Date Published: 23 February 2012
PDF: 7 pages
Proc. SPIE 8270, High Contrast Metastructures, 82700E (23 February 2012); doi: 10.1117/12.908366
Show Author Affiliations
L. Carletti, Technical Univ. of Denmark (Denmark)
R. Malureanu, Technical Univ. of Denmark (Denmark)
J. Mørk, Technical Univ. of Denmark (Denmark)
I.-S. Chung, Technical Univ. of Denmark (Denmark)


Published in SPIE Proceedings Vol. 8270:
High Contrast Metastructures
Connie J. Chang-Hasnain; Fumio Koyama; Alan Eli Willner; Weimin Zhou, Editor(s)

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