Abstract
We investigate the design of a miniaturized C-band photonic-crystal
waveguide (PCW) interleaver, employing coupled-resonator optical waveguide
(CROW) ring resonators. An optimization approach based on a genetic
algorithm (GA) has been applied to the filter components, such as tapers and
directional couplers, leading to low reflection and high phase linearity. To
evaluate the interleaver transmittivity function, an ${\rm S}$-matrix approach is worked out, based on the optimized building
blocks. A sensitivity analysis is performed to evaluate the effect of
parameter tolerances.
© 2009 IEEE
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