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Dissemination of an optical frequency comb over fiber with 3 × 10^-18 fractional accuracy

Marra, Giuseppe, Margolis, Helen S. and Richardson, David J. (2012) Dissemination of an optical frequency comb over fiber with 3 × 10^-18 fractional accuracy Optics Express, 20, (2), pp. 1775-1782. (doi:10.1364/OE.20.001775).

Record type: Article


We demonstrate that the structure of an optical frequency comb transferred over several km of fiber can be preserved at a level compatible with the best optical frequency references currently available. Using an optical phase detection technique we measure the noise introduced by the fiber link and suppress it by stabilizing the optical path length. The measured fractional frequency stability of the transferred optical modes is 2 × 10^-18 at a few thousand seconds and the mode spacing stability after optical-microwave conversion is better than 4 × 10^-17 over the same time scale.

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Published date: 11 January 2012
Keywords: instrumentation, measurement and metrology
Organisations: Optoelectronics Research Centre


Local EPrints ID: 337287
ISSN: 1094-4087
PURE UUID: b6b071c2-90f4-449a-bac8-ed58de28a4c9

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Date deposited: 23 Apr 2012 09:34
Last modified: 18 Jul 2017 06:03

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Author: Giuseppe Marra
Author: Helen S. Margolis

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