Frequency comb-based multiple-access ultrastable frequency dissemination with 7x10 super(-17) instability

In this letter, we demonstrate frequency-comb-based multiple-access ultrastable frequency dissemination over a 10-km single-mode fiber link. First, we synchronize optical pulse trains from an Er-fiber frequency comb to the remote site by using a simple and robust phase-conjugate stabilization method...

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Bibliographic Details
Published in:Optics letters 2015-01, Vol.40 (1), p.37-40
Main Authors: Zhang, Shuangyou, Zhao, Jianye
Format: Article
Language:English
Subjects:
Instability
Links
Microwaves
Optical fibers
Optical pulses
Stability
Stabilization
Wideband
Online Access:Get full text
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Summary:In this letter, we demonstrate frequency-comb-based multiple-access ultrastable frequency dissemination over a 10-km single-mode fiber link. First, we synchronize optical pulse trains from an Er-fiber frequency comb to the remote site by using a simple and robust phase-conjugate stabilization method. The fractional frequency-transfer instability at the remote site is 2.6x10 super(-14) and 4.9x10 super(-17) for averaging times of 1 and 10,000 s, respectively. Then, we reproduce the harmonic of the repetition rate from the disseminated optical pulse trains at an arbitrary point along the fiber link to test comb-based multiple-access performance, and demonstrate frequency instability of 4x10 super(-14) and 7x10 super(-17) at 1 and 10,000 s averaging time, respectively. The proposed comb-based multiple-access frequency dissemination can easily achieve highly stable wideband microwave extraction along the whole link.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.40.000037