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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 16 — Aug. 15, 2010
  • pp: 2708–2710

Group-index engineering in silicon corrugated waveguides

Antoine Brimont, Jose Vicente Galán, Jose Maria Escalante, Javier Martí, and Pablo Sanchis  »View Author Affiliations

Optics Letters, Vol. 35, Issue 16, pp. 2708-2710 (2010)

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We demonstrate group-index engineering in a one-dimensional periodic silicon structure consisting of a deep-etched laterally corrugated waveguide with circular holes patterned onto its wide section. Our theoretical analysis, supported by experimental results, shows that the first-order optical mode can propagate inside the Brillouin zone with a relatively high group index over a wide frequency range. Nearly constant group index as high as 13.5 over a wavelength range of ~ 14 nm is experimentally demonstrated in a 50-μm-long waveguide.

© 2010 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(130.5296) Integrated optics : Photonic crystal waveguides

ToC Category:
Integrated Optics

Original Manuscript: May 26, 2010
Manuscript Accepted: June 27, 2010
Published: August 6, 2010

Antoine Brimont, Jose Vicente Galán, Jose Maria Escalante, Javier Martí, and Pablo Sanchis, "Group-index engineering in silicon corrugated waveguides," Opt. Lett. 35, 2708-2710 (2010)

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