Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/81124
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Type: Journal article
Title: Stable radio-frequency transfer over optical fiber by phase-conjugate frequency mixing
Author: He, Y.
Orr, B.
Baldwin, K.
Wouters, M.
Luiten, A.
Aben, G.
Warrington, R.
Citation: Optics Express, 2013; 21(16):18754-18764
Publisher: Optical Soc Amer
Issue Date: 2013
ISSN: 1094-4087
1094-4087
Statement of
Responsibility: 
Yabai He, Brian J. Orr, Kenneth G. H. Baldwin, Michael J. Wouters, Andre N. Luiten, Guido Aben, and R. Bruce Warrington
Abstract: We demonstrate long-distance (≥100-km) synchronization of the phase of a radio-frequency reference over an optical-fiber network without needing to actively stabilize the optical path length. Frequency mixing is used to achieve passive phase-conjugate cancellation of fiber-length fluctuations, ensuring that the phase difference between the reference and synchronized oscillators is independent of the link length. The fractional radio-frequency-transfer stability through a 100-km "real-world" urban optical-fiber network is 6 × 10(-17) with an averaging time of 10(4) s. Our compensation technique is robust, providing long-term stability superior to that of a hydrogen maser. By combining our technique with the short-term stability provided by a remote, high-quality quartz oscillator, this system is potentially applicable to transcontinental optical-fiber time and frequency dissemination where the optical round-trip propagation time is significant.
Rights: © 2013 Optical Society of America
RMID: 0020131434
DOI: 10.1364/OE.21.018754
Grant ID: http://purl.org/au-research/grants/arc/LP110100270
http://purl.org/au-research/grants/arc/FT0991631
Appears in Collections:IPAS publications

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