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Slow and frozen light in optical waveguides with multiple gratings: Degenerate band edges and stationary inflection points

Gutman, Nadav; de Sterke, C Martijn; Sukhorukov, Andrey; Botten, Lindsay


We show that a waveguide with multiple gratings can have a modal dispersion relation which supports frozen light. This means that light can be coupled efficiently to low group velocity modes of an optical waveguide or can even have finite coupling to zero group velocity modes. These effects are associated with stationary points in the dispersion of the form ω-ωo ⊃(k⊃-ko⊃)m, for integer order m>1, around a center frequency ωo and wave number ko. Stationary points of any order can be created, not...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Physical Review A: Atomic, Molecular and Optical Physics
DOI: 10.1103/PhysRevA.85.033804


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