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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 9 — Apr. 28, 2008
  • pp: 6227–6232

Systematic design of flat band slow light in photonic crystal waveguides

Juntao Li, Thomas P. White, Liam O’Faolain, Alvaro Gomez-Iglesias, and Thomas F. Krauss  »View Author Affiliations


Optics Express, Vol. 16, Issue 9, pp. 6227-6232 (2008)
http://dx.doi.org/10.1364/OE.16.006227


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Abstract

We present a systematic procedure for designing “flat bands” of photonic crystal waveguides for slow light propagation. The procedure aims to maximize the group index - bandwidth product by changing the position of the first two rows of holes of W1 line defect photonic crystal waveguides. A nearly constant group index - bandwidth product is achieved for group indices of 30-90 and as an example, we experimentally demonstrate flat band slow light with nearly constant group indices of 32.5, 44 and 49 over 14 nm, 11 nm and 9.5 nm bandwidth around 1550 nm, respectively.

© 2008 Optical Society of America

OCIS Codes
(260.2030) Physical optics : Dispersion
(130.5296) Integrated optics : Photonic crystal waveguides

ToC Category:
Slow Light

History
Original Manuscript: February 8, 2008
Revised Manuscript: March 21, 2008
Manuscript Accepted: March 21, 2008
Published: April 18, 2008

Citation
Juntao Li, Thomas P. White, Liam O'Faolain, Alvaro Gomez-Iglesias, and Thomas F. Krauss, "Systematic design of flat band slow light in photonic crystal waveguides," Opt. Express 16, 6227-6232 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-9-6227


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