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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 17 — Sep. 1, 2013
  • pp: 3460–3463

Robust flow of light in three-dimensional dielectric photonic crystals

Wen-Jie Chen, Shao-Ji Jiang, and Jian-Wen Dong  »View Author Affiliations

Optics Letters, Vol. 38, Issue 17, pp. 3460-3463 (2013)

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Chiral defect waveguides and waveguide bend geometry were designed in diamond photonic crystal to mold the flow of light in three dimensions. Propagations of electromagnetic waves in chiral waveguides are robust against isotropic obstacles, which would suppress backscattering in waveguides or integrated devices. Finite-difference time-domain simulations demonstrate that high coupling efficiency through the bend corner is preserved in the polarization gap, as it provides an additional constraint on the polarization state of the backscattered wave. Transport robustness is also demonstrated by inserting two metallic slabs into the waveguide bend.

© 2013 Optical Society of America

OCIS Codes
(230.7380) Optical devices : Waveguides, channeled
(160.1585) Materials : Chiral media
(160.5298) Materials : Photonic crystals

ToC Category:

Original Manuscript: June 17, 2013
Revised Manuscript: August 6, 2013
Manuscript Accepted: August 7, 2013
Published: August 30, 2013

Wen-Jie Chen, Shao-Ji Jiang, and Jian-Wen Dong, "Robust flow of light in three-dimensional dielectric photonic crystals," Opt. Lett. 38, 3460-3463 (2013)

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