A compact two-dimensional grating coupler used as a polarization splitter
A compact two-dimensional grating coupler used as a polarization splitter
We demonstrate a novel polarization splitter based on a two-dimensional grating etched in a silicon-on-insulator waveguide. The device couples orthogonal modes from a single-mode optical fiber into identical modes of two planar ridge waveguides. The extinction ratio is better than 18 dB in the wavelength range of 1530-1560 nm and the coupling efficiency is approximately 20%. The device is very compact and couples light only to transverse-electric modes of the planar waveguides. Therefore, it may be used in a polarization diversity configuration to implement a polarization insensitive photonic integrated circuit based on photonic crystal waveguides.
1249-1251
Tailaert, D.
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Chong, H.
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Borel, P.I.
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Frandsen, L.H.
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De La Rue, R.M.
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Baets, R.
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26 August 2003
Tailaert, D.
881bc418-b944-4b50-9863-ce4ad0037db3
Chong, H.
795aa67f-29e5-480f-b1bc-9bd5c0d558e1
Borel, P.I.
ceff05dc-f1b6-43f2-802f-ef65eb175626
Frandsen, L.H.
99f2197c-0b90-4b8a-9fbf-5e2f64038824
De La Rue, R.M.
f172f931-c862-4a66-a3a4-731e362174da
Baets, R.
51c5f159-20a3-4945-9693-8b24ef223566
Tailaert, D., Chong, H., Borel, P.I., Frandsen, L.H., De La Rue, R.M. and Baets, R.
(2003)
A compact two-dimensional grating coupler used as a polarization splitter.
IEEE Photonics Technology Letters, 15 (9), .
(doi:10.1109/LPT.2003.816671).
Abstract
We demonstrate a novel polarization splitter based on a two-dimensional grating etched in a silicon-on-insulator waveguide. The device couples orthogonal modes from a single-mode optical fiber into identical modes of two planar ridge waveguides. The extinction ratio is better than 18 dB in the wavelength range of 1530-1560 nm and the coupling efficiency is approximately 20%. The device is very compact and couples light only to transverse-electric modes of the planar waveguides. Therefore, it may be used in a polarization diversity configuration to implement a polarization insensitive photonic integrated circuit based on photonic crystal waveguides.
Text
A COMPACT TWO-DIMENSIONAL GRATING COUPLER USED AS A POLARIZATION SPLITTER 2003
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Published date: 26 August 2003
Organisations:
Nanoelectronics and Nanotechnology
Identifiers
Local EPrints ID: 264933
URI: http://eprints.soton.ac.uk/id/eprint/264933
ISSN: 1041-1135
PURE UUID: 05a03be6-8db4-4fc4-bb62-2aa3ab9e54af
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Date deposited: 07 Dec 2007 14:29
Last modified: 15 Mar 2024 03:30
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Contributors
Author:
D. Tailaert
Author:
H. Chong
Author:
P.I. Borel
Author:
L.H. Frandsen
Author:
R.M. De La Rue
Author:
R. Baets
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