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Characterization of Anisotropic Leaky Mode Modulators for Holovideo
Published on: March 19, 2016
Resonant coupling between bulk waves and guided modes in a dielectric slab with a thick holographic grating
D R Mason1, S J Goodman, D K Gramotnev
1Applied Optics Program, School of Physical and Chemical Sciences, Queensland University of Technology, GPO Box 2434, Brisbane, Queensland 4001, Australia. d.mason@qut.edu.au
Abstract:
What we believe to be a new type of resonant coupling of an incident bulk wave into guided modes of a slab with a thick holographic grating is shown to occur in the presence of strong frequency detunings of the Bragg condition. This happens through the reflection of the strongly noneigen +1 diffracted order with the slab-grating boundaries, the resultant reflected waves forming a guided slab mode. Rigorous coupled-wave analysis is used for the numerical analysis of the predicted resonant effects. Possible applications include enhanced options for the design of multiplexing and demultiplexing systems, optical signal-processing devices, optical sensors, and measurement techniques.
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