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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
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.
0740-3224
646-649
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
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), 646-649. (doi:10.1364/JOSAB.29.000646).

Record type: Article

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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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
ORCID for Tim Freegarde: ORCID iD orcid.org/0000-0002-0680-1330

Catalogue record

Date deposited: 21 Jul 2014 10:20
Last modified: 18 Feb 2021 17:01

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