Abstract
The invention is directed to a photonic crystal defect structure for a vertical cavity surface emitting laser (VCSEL). In accordance with the invention, a set of holes is formed in a pattern with one or more missing holes forming a defect in the pattern of the photonic crystal, according to a proscribed depth, hole diameter, and pattern pitch which will insure operation in a single transverse mode.
| Original language | English (US) |
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| U.S. patent number | 7085301 |
| Filing date | 7/11/03 |
| State | Published - Aug 1 2006 |