Abstract
AbstractAn all-optical modulator based on photonic crustal structures is proposed and its performance characteristics are studied. In this modulator, a carrier beam is controlled by input signal beam. A two-dimensional microring resonator is designed to employ the Kerr’s nonlinear effect and operate as modulator. We use numerical methods such as plane wave expansion and finite difference time domain for performing our simulations and studying the optical properties of the proposed structure. The insertion loss and extinction ratio are studied as a function of carrier power. Results show acceptable orders of extinction ratio about 9 dB and very low insertion loss about –10 dB. The proposed modulator is expected to show ultra-fast modulation.
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