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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 6 — Feb. 20, 2013
  • pp: 1155–1160

Slow light in an alternative row of ellipse-hole photonic crystal waveguide

Yameng Xu, Lei Xiang, Eric Cassan, Dingshan Gao, and Xinliang Zhang  »View Author Affiliations

Applied Optics, Vol. 52, Issue 6, pp. 1155-1160 (2013)

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High normalized delay-bandwidth product (NDBP) and wideband slow light are achieved in an alternative row of ellipse-hole photonic crystal waveguide. Two different criteria of flat ratio are adopted. Under a constant group index criterion, a high NDBP of 0.446 with a group index of 42 and a bandwidth of 16.4 nm are obtained by plane wave expansion calculations, while under a low dispersion criterion, the NDBP, group index, and bandwidth come to 0.352, 41, 13.1 nm, respectively. Low dispersion slow light propagation is numerically demonstrated by studying the relative temporal pulse-width spreading with the two-dimensional finite-difference time-domain method. As a whole, the presented results give indications about the “ultimate” possible improvement of slow light waveguide metrics by using noncircular holes.

© 2013 Optical Society of America

OCIS Codes
(130.5296) Integrated optics : Photonic crystal waveguides
(230.5298) Optical devices : Photonic crystals

ToC Category:
Photonic Crystal Waveguides

Original Manuscript: September 21, 2012
Revised Manuscript: December 15, 2012
Manuscript Accepted: December 27, 2012
Published: February 11, 2013

Yameng Xu, Lei Xiang, Eric Cassan, Dingshan Gao, and Xinliang Zhang, "Slow light in an alternative row of ellipse-hole photonic crystal waveguide," Appl. Opt. 52, 1155-1160 (2013)

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