Actively stabilized wavelength-insensitive carrier elimination from an electro-optically modulated laser beam
Actively stabilized wavelength-insensitive carrier elimination from an electro-optically modulated laser beam
We demonstrate a simple and robust technique for removal of the carrier wave from a phase-modulated laser beam, using a noninterferometric method that is insensitive to the modulation frequency and instead exploits the polarization dependence of electro-optic modulation. An actively stabilized system using feedback via a liquid crystal cell yields long-term carrier suppression in excess of 28 dB at the expense of a 6.5 dB reduction in sideband power.
646-649
Cooper, Nathan
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Bateman, James
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Dunning, Alexander
cbc7068a-4279-4c8e-b83f-353210711062
Freegarde, Tim
01a5f53b-d406-44fb-a166-d8da9128ea7d
16 March 2012
Cooper, Nathan
0ce01d5f-1845-448e-8f27-a07df4681eb7
Bateman, James
05b8f150-3d00-49f6-bf35-3d535b773b53
Dunning, Alexander
cbc7068a-4279-4c8e-b83f-353210711062
Freegarde, Tim
01a5f53b-d406-44fb-a166-d8da9128ea7d
Cooper, Nathan, Bateman, James, Dunning, Alexander and Freegarde, Tim
(2012)
Actively stabilized wavelength-insensitive carrier elimination from an electro-optically modulated laser beam.
Journal of the Optical Society of America B, 29 (4), .
(doi:10.1364/JOSAB.29.000646).
Abstract
We demonstrate a simple and robust technique for removal of the carrier wave from a phase-modulated laser beam, using a noninterferometric method that is insensitive to the modulation frequency and instead exploits the polarization dependence of electro-optic modulation. An actively stabilized system using feedback via a liquid crystal cell yields long-term carrier suppression in excess of 28 dB at the expense of a 6.5 dB reduction in sideband power.
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josab29_646.pdf
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e-pub ahead of print date: 16 December 2011
Published date: 16 March 2012
Organisations:
Physics & Astronomy
Identifiers
Local EPrints ID: 367054
URI: http://eprints.soton.ac.uk/id/eprint/367054
ISSN: 0740-3224
PURE UUID: efdc99e4-70d4-452a-80c3-b66ff5e418b3
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Date deposited: 21 Jul 2014 10:20
Last modified: 15 Mar 2024 03:17
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Author:
Nathan Cooper
Author:
James Bateman
Author:
Alexander Dunning
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