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Article Dans Une Revue Optics Express Année : 2003

Coupled-mode theory and propagation losses in photonic crystal waveguides

Résumé

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.

Dates et versions

hal-00878529 , version 1 (30-10-2013)

Identifiants

Citer

Ségolène Olivier, Henri Benisty, Claude Weisbuch, Christopher J. M. Smith, Thomas F. Krauss, et al.. Coupled-mode theory and propagation losses in photonic crystal waveguides. Optics Express, 2003, 11 (13), pp.1490-1496. ⟨10.1364/OE.11.001490⟩. ⟨hal-00878529⟩
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