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Highly efficient optical filter based on vertically coupled photonic crystal cavity and bus waveguide

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Debnath2013ol_38_2_154.pdf (333.0Kb)
Date
15/01/2013
Author
Debnath, Kapil
Welna, Karl
Ferrera, Marcello
Deasy, Kieran
Lidzey, David G.
O'Faolain, Liam
Funder
EPSRC
EPSRC
EPSRC
Grant ID
EP/F001622/1
EP/H00680X/1
EP/J01771X/1
Keywords
Nanocavity
QC Physics
Metadata
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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 (>10 dB).
Citation
Debnath , K , Welna , K , Ferrera , M , Deasy , K , Lidzey , D G & O'Faolain , L 2013 , ' Highly efficient optical filter based on vertically coupled photonic crystal cavity and bus waveguide ' , Optics Letters , vol. 38 , no. 2 , pp. 154-156 . https://doi.org/10.1364/OL.38.000154
Publication
Optics Letters
Status
Peer reviewed
DOI
https://doi.org/10.1364/OL.38.000154
ISSN
0146-9592
Type
Journal article
Rights
© 2013 Optical Society of America. This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at http://www.opticsinfobase.org
Collections
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/3937

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