Abstract

We propose a dynamic process based on a new structure of bouncing mode cavity to realize integratable long-term light pulse trapping and release on a waveguide. To break the delay-bandwidth limit, the idea of a bouncing mode cavity is to bind a guided light pulse bouncing back and forth inside. Being compatible with complementary metal-oxide-semiconductor (COMS) processing, an optimized boundary mirror design with an ultra-low loss and a broad bandwidth is presented. Using the dynamic bouncing mode cavity composed of a switchable boundary mirror, the simulation of controlled optical pulse storage is demonstrated on a two-dimensional waveguide. The results show that the long lifetime of 32 ns and the wide bandwidth of 16.11 THz can be obtained simultaneously. All the results are verified with finite-difference time-domain numerical calculation. With progress in manipulating the optical properties of materials, this approach may contribute to integrated photonic devices for optical information processing.

© 2020 Optical Society of America

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