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Stabilized fiber-optic Mach–Zehnder interferometer for carrier-frequency rejection

Stabilized fiber-optic Mach–Zehnder interferometer for carrier-frequency rejection
Stabilized fiber-optic Mach–Zehnder interferometer for carrier-frequency rejection
We have demonstrated stabilization of a fiber-optic Mach–Zehnder interferometer, with a centimeter-scale path difference, to the transmission minimum for the carrier wave of a frequency-modulated laser beam. A time-averaged extinction of 32 dB, limited by the bandwidth of the feedback, was maintained over several hours. The interferometer was used to remove the carrier wave from a 780 nm laser beam that had been phase modulated at 2.7 GHz.
0003-6935
5713-5717
Cooper, Nathan
0ce01d5f-1845-448e-8f27-a07df4681eb7
Woods, Jonathan
b147f9e6-335d-4c87-aa15-5d2024c1c906
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
Woods, Jonathan
b147f9e6-335d-4c87-aa15-5d2024c1c906
Bateman, James
05b8f150-3d00-49f6-bf35-3d535b773b53
Dunning, Alexander
cbc7068a-4279-4c8e-b83f-353210711062
Freegarde, Tim
01a5f53b-d406-44fb-a166-d8da9128ea7d

Cooper, Nathan, Woods, Jonathan, Bateman, James, Dunning, Alexander and Freegarde, Tim (2013) Stabilized fiber-optic Mach–Zehnder interferometer for carrier-frequency rejection. Applied Optics, 52 (23), 5713-5717. (doi:10.1364/AO.52.005713).

Record type: Article

Abstract

We have demonstrated stabilization of a fiber-optic Mach–Zehnder interferometer, with a centimeter-scale path difference, to the transmission minimum for the carrier wave of a frequency-modulated laser beam. A time-averaged extinction of 32 dB, limited by the bandwidth of the feedback, was maintained over several hours. The interferometer was used to remove the carrier wave from a 780 nm laser beam that had been phase modulated at 2.7 GHz.

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e-pub ahead of print date: 17 July 2013
Published date: 7 August 2013
Organisations: Physics & Astronomy
Learn more about Physics & Astronomy research

Identifiers

Local EPrints ID: 367052
URI: http://eprints.soton.ac.uk/id/eprint/367052
DOI: doi:10.1364/AO.52.005713
ISSN: 0003-6935
PURE UUID: 72b252c7-46ca-493e-a07f-65e6bd923dc4
ORCID for Tim Freegarde: ORCID iD orcid.org/0000-0002-0680-1330

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Date deposited: 21 Jul 2014 10:39
Last modified: 15 Mar 2024 03:17

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Contributors

Author: Nathan Cooper
Author: Jonathan Woods
Author: James Bateman
Author: Alexander Dunning
Author: Tim Freegarde ORCID iD

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