Stable radio frequency transfer over fiber based on microwave photonic phase shifter | Zendy

Ruihuan Wu | Zendy; Jinping Lin | Zendy; Tianwei Jiang | Zendy; Chenxia Liu | Zendy; Song Yu | Zendy

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Stable radio frequency transfer over fiber based on microwave photonic phase shifter

Author(s) -

Ruihuan Wu,

Jinping Lin,

Tianwei Jiang,

Chenxia Liu,

Song Yu

Publication year - 2019

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.27.038109

Subject(s) - phase shift module , radio frequency , sideband , optics , compatible sideband transmission , radio over fiber , optical fiber , phase noise , microwave , materials science , photonics , optical filter , band pass filter , single mode optical fiber , physics , insertion loss , telecommunications , computer science , quantum mechanics

We demonstrate a radio frequency (RF) phase-stable transmission over fiber based on microwave photonic phase shifter. In the proposed system, both assistant RF signals are applied to drive two arms of a dual-drive Mach-Zehnder modulator (DMZM), respectively. An optical bandpass filter is followed to filter out the first-order sideband of optical modulated signal. Due to the phase independence between two optical sidebands, the phase perturbation caused by fiber-length variations can be compensated automatically via controlling the direct-current bias voltage of the DMZM. We have performed RF transfer in a 155 km single-mode fiber with a frequency instability of 3.05 × 10 -17 at 10,000 s averaging time.

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