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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 14 — Jul. 15, 2013
  • pp: 2419–2421

Stable radio-frequency delivery by λ dispersion-induced optical tunable delay

Anxu Zhang, Yitang Dai, Feifei Yin, Tianpeng Ren, Kun Xu, Jianqiang Li, Yuefeng Ji, Jintong Lin, and Geshi Tang  »View Author Affiliations

Optics Letters, Vol. 38, Issue 14, pp. 2419-2421 (2013)

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We propose and demonstrate a novel stable radio frequency (RF) delivery system based on a radio-over-fiber link. The proposed scheme acts as a long phase-locking loop where an optical tunable delay line is involved to compensate dynamically for the time-delay variation that arises from fiber-link fluctuation. An optical carrier with variable wavelength under fiber-link dispersion results in the desired tunable delay. The tunable range is in proportion to the length of the fiber link, so a large phase-error correction capacity under long-distance delivery can be realized. The large as well as fine optical-delay tunability is experimentally demonstrated, and the RF reference of 2.42 GHz is transferred for 54 km where a time jitter compression factor of 588 is achieved.

© 2013 Optical Society of America

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(120.3940) Instrumentation, measurement, and metrology : Metrology

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: March 20, 2013
Revised Manuscript: May 23, 2013
Manuscript Accepted: June 7, 2013
Published: July 5, 2013

Anxu Zhang, Yitang Dai, Feifei Yin, Tianpeng Ren, Kun Xu, Jianqiang Li, Yuefeng Ji, Jintong Lin, and Geshi Tang, "Stable radio-frequency delivery by λ dispersion-induced optical tunable delay," Opt. Lett. 38, 2419-2421 (2013)

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