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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 21 — Nov. 1, 2009
  • pp: 3292–3294

Optical filter with very large stopband ( 300 nm ) based on a photonic-crystal vertical-directional coupler

M. Grande, L. O’Faolain, T. P. White, M. Spurny, A. D’Orazio, and T. F. Krauss  »View Author Affiliations

Optics Letters, Vol. 34, Issue 21, pp. 3292-3294 (2009)

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We have designed, fabricated, and demonstrated a vertical directional coupler based on the coupling between a polymer waveguide and a W1 photonic crystal waveguide. The filters have a bandwidth of 2 nm within a stopband of Δ λ 300 nm and an on-chip insertion loss of 1 dB . This is the first (to our knowledge) demonstration of a filter with such a large stopband that overcomes the bandwidth limitation of existing filters.

© 2009 Optical Society of America

OCIS Codes
(230.5298) Optical devices : Photonic crystals
(130.7408) Integrated optics : Wavelength filtering devices

ToC Category:
Optical Devices

Original Manuscript: July 9, 2009
Revised Manuscript: September 21, 2009
Manuscript Accepted: September 22, 2009
Published: October 23, 2009

M. Grande, L. O'Faolain, T. P. White, M. Spurny, A. D'Orazio, and T. F. Krauss, "Optical filter with very large stopband (≈300 nm) based on a photonic-crystal vertical-directional coupler," Opt. Lett. 34, 3292-3294 (2009)

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