Radial Bragg lasers: Optimal design for minimal threshold levels and enhanced mode discrimination

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Abstract

Radial Bragg distributed-feedback (DFB) lasers are designed and studied using the transfer matrix method, allowing an accurate analysis beyond the coupled-mode equations approach (small perturbations). Compared with conventional circular grating DFB lasers, incorporating periodic gratings, lower threshold levels, and enhanced mode discrimination are achieved by employing an optimal design strategy for the radial Bragg reflector.

Original languageEnglish
Pages (from-to)2178-2184
Number of pages7
JournalJournal of the Optical Society of America B: Optical Physics
Volume24
Issue number9
DOIs
StatePublished - Sep 2007

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