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>Analysis and optimization of integrated-optic travelling-wave modulators using periodic and non-periodic phase reversals
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Analysis and optimization of integrated-optic travelling-wave modulators using periodic and non-periodic phase reversals
An analysis is given of phase-reversal electrode structures used for phase matching in travelling-wave integrated-optic phase modulators. Both modulus and argument of the phase shift are obtained; both are required for applications involving broadband excitation. Periodic and non-periodic lossy structures are treated and the advantage of non-periodic structures for wide-band operation is demonstrated. Optimum structure arrangements and upper bounds to phase shift and figure of merit are derived.
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