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Xu DX, Densmore A, Waldron P, et al. High bandwidth SOI photonic wire ring resonators using MMI couplers. Opt Express. 2007;15(6):3149-55doi: 10.1364/oe.15.003149.
Xu, D. X., Densmore, A., Waldron, P., Lapointe, J., Post, E., Delâge, A., Janz, S., Cheben, P., Schmid, J. H., & Lamontagne, B. (2007). High bandwidth SOI photonic wire ring resonators using MMI couplers. Optics express, 15(6), 3149-55. https://doi.org/10.1364/oe.15.003149
Xu, Dan-Xia, et al. "High bandwidth SOI photonic wire ring resonators using MMI couplers." Optics express vol. 15,6 (2007): 3149-55. doi: https://doi.org/10.1364/oe.15.003149
Xu DX, Densmore A, Waldron P, Lapointe J, Post E, Delâge A, Janz S, Cheben P, Schmid JH, Lamontagne B. High bandwidth SOI photonic wire ring resonators using MMI couplers. Opt Express. 2007 Mar 19;15(6):3149-55. doi: 10.1364/oe.15.003149. PMID: 19532553.
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Opt Express. 2007 Mar 19;15(6):3149-55. doi: 10.1364/oe.15.003149.

High bandwidth SOI photonic wire ring resonators using MMI couplers.

Optics express

Dan-Xia Xu, Adam Densmore, Philip Waldron, Jean Lapointe, Edith Post, André Delâge, Siegfried Janz, Pavel Cheben, Jens H Schmid, Boris Lamontagne

PMID: 19532553 DOI: 10.1364/oe.15.003149

Abstract

A ring resonator in SOI photonic wire waveguides is demonstrated using a compact MMI coupler with 3mum x 9 mum footprint as the coupling element. We achieved high bandwidth of 0.25 nm, and a quality factor Q of ~ 6000 for rings with a radius of 50 mum. Unlike directional coupler based rings, these resonators have a wavelength independent Q and extinction ratio over more than 30 nm wavelength range, and there is no loss penalty for increasing the bandwidth. Compared to their directional coupler based counterparts, these resonators also have less demanding fabrication requirements and are compatible with high speed signal processing and optical delay lines.

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