Design and analysis of two-dimensional high-index-contrast grating surface-emitting lasers

The use of a two-dimensional (2D) high-index-contrast grating (HCG) with square periodic lattice is proposed to realize surface-emitting lasers. This is possible because the use of 2D HCG, in which multiple resonant leaky modes are excited by the 2 orthogonal directions of the grating, causes the hi...

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Bibliographic Details
Published inOptics express Vol. 17; no. 1; pp. 260 - 265
Main Authors Mote, Rakesh G, Yu, S F, Zhou, Wei, Li, X F
Format Journal Article
LanguageEnglish
Published United States 05.01.2009
Subjects
Contrast Media - chemistry
Equipment Design
Lasers
Optical Fibers
Photons
Refractometry
Semiconductors
Spectrum Analysis
Surface Properties
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Summary:The use of a two-dimensional (2D) high-index-contrast grating (HCG) with square periodic lattice is proposed to realize surface-emitting lasers. This is possible because the use of 2D HCG, in which multiple resonant leaky modes are excited by the 2 orthogonal directions of the grating, causes the high reflective zone to be split into two regions. Hence, a dip of the reflectivity is formed to support the excitation of a resonant cavity-mode inside the 2D HCG. With suitable design on the dimensions of the 2D HCGs, Q factor as high as 1032 can be achieved.
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ISSN:1094-4087
1094-4087
DOI:10.1364/oe.17.000260