Slow light enhanced optical nonlinearity in a silicon photonic crystal coupled-resonator optical waveguide | Zendy

Nobuyuki Matsuda | Zendy; Takumi Kato | Zendy; K. Harada | Zendy; Hiroki Takesue | Zendy; Eiichi Kuramochi | Zendy; Hideaki Taniyama | Zendy; Masaya Notomi | Zendy

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Slow light enhanced optical nonlinearity in a silicon photonic crystal coupled-resonator optical waveguide

Author(s) -

Nobuyuki Matsuda,

Takumi Kato,

K. Harada,

Hiroki Takesue,

Eiichi Kuramochi,

Hideaki Taniyama,

Masaya Notomi

Publication year - 2011

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.19.019861

Subject(s) - resonator , optics , photonic crystal , waveguide , materials science , optoelectronics , slow light , silicon photonics , wavelength , four wave mixing , nonlinear optics , silicon , physics , laser

We demonstrate highly enhanced optical nonlinearity in a coupled-resonator optical waveguide (CROW) in a four-wave mixing experiment. Using a CROW consisting of 200 coupled resonators based on width-modulated photonic crystal nanocavities in a line defect, we obtained an effective nonlinear constant exceeding 10,000 /W/m, thanks to slow light propagation combined with a strong spatial confinement of light achieved by the wavelength-sized cavities.

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