Ultrasmall multi-port channel drop filter in two-dimensional photonic crystal on silicon-on-insulator substrate | Zendy

Akihiko Shinya | Zendy; Satoshi Mitsugi | Zendy; Eiichi Kuramochi | Zendy; Masaya Notomi | Zendy

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Ultrasmall multi-port channel drop filter in two-dimensional photonic crystal on silicon-on-insulator substrate

Author(s) -

Akihiko Shinya,

Satoshi Mitsugi,

Eiichi Kuramochi,

Masaya Notomi

Publication year - 2006

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.14.012394

Subject(s) - photonic crystal , optics , materials science , optoelectronics , silicon on insulator , photonic integrated circuit , insulator (electricity) , photonics , interference (communication) , drop (telecommunication) , optical filter , silicon , channel (broadcasting) , physics , computer science , telecommunications

We demonstrate ultrasmall five-port channel drop filters (CDFs) based on a two-dimensional photonic crystal slab. We combine seven photonic crystals with different lattice constants and use light reflections at the different photonic crystal boundaries to control the interference process and achieve a high dropping efficiency. We operate the CDFs in two modes; one requires careful control of the interference process, whereas the other does not. The former can output a narrower signal spectrum than the latter, and CDF design is easier with the latter. Both CDFs achieve a high dropping efficiency and can function in the CL-band.

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