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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 16 — Aug. 15, 2014
  • pp: 4667–4670

Improved configuration and reduction of phase noise in a narrow linewidth ultrawideband optical RF source

David W. Grund, Jr., Shouyuan Shi, Garrett J. Schneider, Janusz Murakowski, and Dennis W. Prather  »View Author Affiliations


Optics Letters, Vol. 39, Issue 16, pp. 4667-4670 (2014)
http://dx.doi.org/10.1364/OL.39.004667


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Abstract

In this Letter, we report on the improved configuration of a widely tunable optical RF generation system, particularly for the generation of low-frequency RF, as well as the reduction of phase noise in that same system. Using an amplitude modulator, a simplified system design was demonstrated with fewer components and improved phase noise performance, especially at RF frequencies below 36GHz. Excess phase noise due to acoustic vibrations of the optical fibers was also successfully eliminated by mechanical isolation. A minimum phase noise of 124dBc/Hz at 10 kHz offset was demonstrated at 4 GHz.

© 2014 Optical Society of America

OCIS Codes
(060.4080) Fiber optics and optical communications : Modulation
(140.3520) Lasers and laser optics : Lasers, injection-locked
(060.5625) Fiber optics and optical communications : Radio frequency photonics
(060.2840) Fiber optics and optical communications : Heterodyne

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: May 20, 2014
Revised Manuscript: June 18, 2014
Manuscript Accepted: June 19, 2014
Published: August 5, 2014

Citation
David W. Grund, Shouyuan Shi, Garrett J. Schneider, Janusz Murakowski, and Dennis W. Prather, "Improved configuration and reduction of phase noise in a narrow linewidth ultrawideband optical RF source," Opt. Lett. 39, 4667-4670 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-16-4667

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