2015
DOI: 10.1364/ol.40.000371
|View full text |Cite
|
Sign up to set email alerts
|

Feed-forward digital phase compensation for long-distance precise frequency dissemination via fiber network

Abstract: We demonstrate precise microwave frequency dissemination of a hydrogen maser synchronized frequency comb over a 120 km commercial fiber link. The phase noise was compensated by a feed-forward digital compensation scheme, where the value of locally detected phase noise was first transmitted to the remote user end via a wavelength division multiplexing channel in the same fiber link and then compensated directly at the user end. The fractional frequency instability was measured to be at 5.28×10(-16)/s.

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
2
2

Citation Types

0
11
0

Year Published

2015
2015
2021
2021

Publication Types

Select...
5
2

Relationship

1
6

Authors

Journals

citations
Cited by 33 publications
(11 citation statements)
references
References 20 publications
0
11
0
Order By: Relevance
“…Briefly, a radio frequency signal of 900 MHz was first generated by the frequency multiplier (FM) module referenced to a universal time coordinated (UTC) H-maser. The 900 MHz signal then was fed to a FLOM-PD 20 31 to lock the 100 MHz repetition rate of the mode-locked fiber laser (MLFL). When successfully synchronized with H-maser, the laser pulses passed through the DWDM channel #33 with 100 GHz bandwidth and propagated to the remote end.…”
Section: Resultsmentioning
confidence: 99%
See 2 more Smart Citations
“…Briefly, a radio frequency signal of 900 MHz was first generated by the frequency multiplier (FM) module referenced to a universal time coordinated (UTC) H-maser. The 900 MHz signal then was fed to a FLOM-PD 20 31 to lock the 100 MHz repetition rate of the mode-locked fiber laser (MLFL). When successfully synchronized with H-maser, the laser pulses passed through the DWDM channel #33 with 100 GHz bandwidth and propagated to the remote end.…”
Section: Resultsmentioning
confidence: 99%
“…The distinct feature of this technique is the instantaneous and accurate phase correction for a long fiber link. With this technique we have achieved ultra-stable frequency transmission in 120 km fiber link 31 . The high frequency stability paved the sound basis for the time synchronization.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Scattering which has light reflection by laser induced acoustic wave in the optical fiber. In single mode fibers has been extensively investigated theoretically and experimentally by many others [9][10][11][12]. The backward scattering nature of optical fiber scattering has long been viewed as an ultimate intrinsic loss mechanism in long haul fibers, since optical threshold decreases with increasing effective fiber length.…”
Section: Optical Fibermentioning
confidence: 99%
“…The question is whether the originating noises have any effect on the evolved dynamics. This is a fundamental question in the field of nonlinear optical phenomenon in a network system, in which many interactions originate from stochastic processes, the sources of which are either thermal fluctuation or quantum noise in a IoT days [11][12]. If the optical power launched into the fiber coding line exceeds some critical threshold level, then optical effect can occur.…”
Section: Optical Fibermentioning
confidence: 99%