Hybrid multimode resonators based on grating-assisted counter-directional couplers | Zendy

Jordan Davis | Zendy; Andrew Grieco | Zendy; Mário C. M. M. Souza | Zendy; Newton C. Frateschi | Zendy; Yeshaiahu Fainman | Zendy

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Hybrid multimode resonators based on grating-assisted counter-directional couplers

Author(s) -

Jordan Davis,

Andrew Grieco,

Mário C. M. M. Souza,

Newton C. Frateschi,

Yeshaiahu Fainman

Publication year - 2017

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.25.016484

Subject(s) - resonator , optics , bandwidth (computing) , multi mode optical fiber , waveguide , silicon photonics , extinction ratio , free spectral range , coupled mode theory , photonics , grating , broadband , optoelectronics , photonic integrated circuit , materials science , computer science , optical fiber , physics , refractive index , telecommunications , wavelength

Research thrusts in silicon photonics are developing control operations using higher order waveguide modes for next generation high-bandwidth communication systems. In this context, devices allowing optical processing of multiple waveguide modes can reduce architecture complexity and enable flexible on-chip networks. We propose and demonstrate a hybrid resonator dually resonant at the 1st and 2nd order modes of a silicon waveguide. We observe 8 dB extinction ratio and modal conversion range of 20 nm for the 1st order quasi-TE mode input.

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