Abstract
A comprehensive study of the far-field diffraction
pattern of Bragg reflection waveguides is presented.
Using a Gaussian approximation of the near-field
profile, an analytical formula for the far-field pattern
of the fundamental Bragg mode is obtained. The proposed
closed-form representation offers a powerful technique
for examining the far-field characteristics, which
provides insight into the design optimization of Bragg
reflection waveguides.
© 2011 IEEE
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