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Highly efficient optical filter based on vertically coupled photonic crystal cavity and bus waveguide |
Optics Letters, Vol. 38, Issue 2, pp. 154-156 (2013)
http://dx.doi.org/10.1364/OL.38.000154
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Abstract
We experimentally demonstrate a new optical filter design based on a vertically coupled photonic crystal (PhC) cavity and a bus waveguide monolithically integrated on the silicon-on-insulator platform. The use of a vertically coupled waveguide gives flexibility in the choice of the waveguide material and dimensions, dramatically lowering the insertion loss while achieving very high coupling efficiencies to wavelength scale resonators and thus allows the creation of PhC-based optical filters with very high extinction ratio (
© 2013 Optical Society of America
OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(230.3990) Optical devices : Micro-optical devices
(230.5750) Optical devices : Resonators
(230.5298) Optical devices : Photonic crystals
ToC Category:
Optical Devices
History
Original Manuscript: October 5, 2012
Revised Manuscript: December 3, 2012
Manuscript Accepted: December 8, 2012
Published: January 9, 2013
Citation
Kapil Debnath, Karl Welna, Marcello Ferrera, Kieran Deasy, David G. Lidzey, and Liam O’Faolain, "Highly efficient optical filter based on vertically coupled photonic crystal cavity and bus waveguide," Opt. Lett. 38, 154-156 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-2-154
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