Coupled-mode theory and propagation losses in photonic crystal waveguides

S Olivier, H Benisty, C Weisbuch, C J M Smith, T F Krauss, R Houdre

Research output: Contribution to journalArticlepeer-review

103 Citations (Scopus)

Abstract

Mode coupling phenomena, manifested by transmission "mini-stopbands", occur in two-dimensional photonic crystal channel waveguides. The huge difference in the group velocities of the coupled modes is a new feature with respect to the classical Bragg reflection occurring, e. g., in distributed feedback lasers. We show that an adequate ansatz of the classical coupled-mode theory remarkably well accounts for this new phenomenon. The fit of experimental transmission data from GaAs-based photonic crystal waveguides then leads to an accurate determination of the propagation losses of both fundamental and higher, low-group-velocity modes. (C) 2003 Optical Society of America.

Original languageEnglish
Pages (from-to)1490-1496
Number of pages7
JournalOptics Express
Volume11
Issue number13
DOIs
Publication statusPublished - 30 Jun 2003

Keywords

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