Mirror cavity MMI-coupled photonic wire resonator in SOI

P. J. Bock; P. Cheben; D.-X. Xu; S. Janz; T. J. Hall

doi:10.1117/12.779226

30 October 2007 Mirror cavity MMI-coupled photonic wire resonator in SOI

P. J. Bock, P. Cheben, D.-X. Xu, S. Janz, T. J. Hall

Proceedings Volume 6796, Photonics North 2007; 67963N (2007) https://doi.org/10.1117/12.779226
Event: Photonics North 2007, 2007, Ottawa, Canada

Abstract

We propose a new waveguide resonator device with a mirror cavity and a multimode interference (MMI) coupler. We present simulation results for the silicon wire MMI coupler with suppressed reflections and its use as a coupling element in the resonator cavity, built on the silicon-on-insulator waveguide platform. Tapering structures used in the reflection suppression were optimized, and the wavelength dependency of a conventional MMI was compared to that of the MMI with reflection suppression. Two-mirror MMI coupled resonator was studied using finite difference time domain simulation by both pulse and continuous wave excitation. The optimal resonator has a very small footprint of 3 μm × 29.7 μm, with a quality factor of 774.

Citation Download Citation

P. J. Bock, P. Cheben, D.-X. Xu, S. Janz, and T. J. Hall "Mirror cavity MMI-coupled photonic wire resonator in SOI", Proc. SPIE 6796, Photonics North 2007, 67963N (30 October 2007); https://doi.org/10.1117/12.779226

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