Waveguide couplers with new power splitting ratios made possible by cascading of short multimode interference sections | Zendy

David Jui-Yang Feng | Zendy; T. S. Lay | Zendy; T. Y. Chang | Zendy

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Waveguide couplers with new power splitting ratios made possible by cascading of short multimode interference sections

Author(s) -

David Jui-Yang Feng,

T. S. Lay,

T. Y. Chang

Publication year - 2007

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.15.001588

Subject(s) - optics , resonator , waveguide , power dividers and directional couplers , coupling (piping) , interference (communication) , power (physics) , physics , optical power , loop (graph theory) , multi mode optical fiber , materials science , optical fiber , laser , telecommunications , computer science , mathematics , combinatorics , channel (broadcasting) , quantum mechanics , metallurgy

We show that it is possible to obtain 2 x 2 waveguide couplers with new power splitting ratios for cross coupling of 7%, 64%, 80% and 93% by cascading two short MMI sections. These couplers have simple geometry and low loss. They offer valuable new possibilities for designing waveguide power taps, high-Q ring resonators, ladder-structure optical filters, and loop-mirror partial reflectors.

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