Control of dispersion in photonic crystal waveguides using group symmetry theory

Pierre Colman, Sylvain Combrié, Gaëlle Lehoucq, Alfredo De Rossi

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

We demonstrate dispersion tailoring by coupling the even and the odd modes in a line-defect photonic crystal waveguide. Coupling is determined ab-initio using group theory analysis, rather than by trial-error optimisation of the design parameters. A family of dispersion curves is generated by controlling a single geometrical parameter. This concept is demonstrated experimentally with very good agreement with theory.
Original languageEnglish
JournalOptics Express
Volume20
Issue number12
Pages (from-to)13108-13114
ISSN1094-4087
DOIs
Publication statusPublished - 2012
Externally publishedYes

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