Photonic crystal couplers for slow light

Andrey A. Sukhorukov*, Sangwoo Ha, Kokou B. Dossou, Lindsay C. Botten, Andrei V. Lavrinenko, Dmitry N. Chigrin, Yuri S. Kivshar

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    3 Citations (Scopus)


    We propose a general approach to the design of directional couplers in photonic-crystals operating in the slowlight regime. We predict, based on a general symmetry analysis, that robust switching of slow-light pulses is possible between antisymmetrically coupled photonic crystal waveguides. We demonstrate, through numerical Bloch mode frequency-domain and finite-difference time-domain (FDTD) simulations that, for all pulses with strongly reduced group velocities at the photonic band-gap edge, complete switching occurs at a fixed coupling length of just a few unit cells of the photonic crystal.

    Original languageEnglish
    Title of host publicationAdvances in Slow and Fast Light
    Publication statusPublished - 2008
    EventAdvances in Slow and Fast Light - San Jose, CA, United States
    Duration: 21 Jan 200823 Jan 2008

    Publication series

    NameProceedings of SPIE - The International Society for Optical Engineering
    ISSN (Print)0277-786X


    ConferenceAdvances in Slow and Fast Light
    Country/TerritoryUnited States
    CitySan Jose, CA


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