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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 2 — Jan. 21, 2008
  • pp: 1104–1114

Dispersionless tunneling of slow light in antisymmetric photonic crystal couplers

Sangwoo Ha, Andrey A. Sukhorukov, Kokou B. Dossou, Lindsay C. Botten, Andrei V. Lavrinenko, Dmitry N. Chigrin, and Yuri S. Kivshar  »View Author Affiliations

Optics Express, Vol. 16, Issue 2, pp. 1104-1114 (2008)

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We suggest a novel and general approach to the design of photonic-crystal directional couplers operating in the slow-light regime. We predict, based on a general symmetry analysis, that robust tunneling of slow-light pulses is possible between antisymmetrically coupled photonic crystal waveguides. We demonstrate, through 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.

© 2008 Optical Society of America

OCIS Codes
(230.7370) Optical devices : Waveguides
(250.5300) Optoelectronics : Photonic integrated circuits
(050.5298) Diffraction and gratings : Photonic crystals

ToC Category:
Slow Light

Original Manuscript: December 7, 2007
Revised Manuscript: January 10, 2008
Manuscript Accepted: January 10, 2008
Published: January 14, 2008

Sangwoo Ha, Andrey A. Sukhorukov, Kokou B. Dossou, Lindsay C. Botten, Andrei V. Lavrinenko, Dmitry N. Chigrin, and Yuri S. Kivshar, "Dispersionless tunneling of slow light in antisymmetric photonic crystal couplers," Opt. Express 16, 1104-1114 (2008)

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