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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 34 — Dec. 1, 2010
  • pp: 6597–6601

TM and TE propagating modes of photonic crystal waveguide based on honeycomb lattices

Huibing Mao, Jiqing Wang, Ke Yu, and Ziqiang Zhu  »View Author Affiliations


Applied Optics, Vol. 49, Issue 34, pp. 6597-6601 (2010)
http://dx.doi.org/10.1364/AO.49.006597


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Abstract

The waveguide based on the honeycomb photonic crystal has propagating modes for both the TE and TM polarizations. The group index-normalized frequency curves are U-shaped for the two polarizations. The average group index of the TE mode is approximately 3, while the average group index of the TM mode is over 10, which implies that the TM mode is a slow light mode. With the shift value 0 δ x 0.025 a , the group index is over 10 and the normalized delay-bandwidth product is from 0.316 to 0.349, which is ideal for the slow light mode of the TM polarization. In the group velocity dispersion of the waveguide, there is a very large “zero” dispersion region for both the TM and TE modes, which is far larger than that of other photonic crystal waveguides. The TM mode of this kind of waveguide structure is a slow light mode with wide bandwidth and a large “zero” dispersion region.

© 2010 Optical Society of America

OCIS Codes
(310.2790) Thin films : Guided waves
(160.3918) Materials : Metamaterials

ToC Category:
Photonic Crystal Waveguides

History
Original Manuscript: August 16, 2010
Revised Manuscript: October 19, 2010
Manuscript Accepted: October 22, 2010
Published: November 24, 2010

Citation
Huibing Mao, Jiqing Wang, Ke Yu, and Ziqiang Zhu, "TM and TE propagating modes of photonic crystal waveguide based on honeycomb lattices," Appl. Opt. 49, 6597-6601 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-34-6597

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