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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 9 — May. 1, 2010
  • pp: 1461–1463

All-optical generation of a 21 GHz microwave carrier by incorporating a double-Brillouin frequency shifter

Y. G. Shee, M. A. Mahdi, M. H. Al-Mansoori, S. Yaakob, R. Mohamed, A. K. Zamzuri, A. Man, A. Ismail, and S. Hitam  »View Author Affiliations


Optics Letters, Vol. 35, Issue 9, pp. 1461-1463 (2010)
http://dx.doi.org/10.1364/OL.35.001461


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Abstract

An all-optical generation of a microwave carrier at 21 GHz that incorporates a double-Brillouin frequency shifter is presented. The frequency shift of 21 GHz is achieved by generating the second-order Brillouin Stokes signal from the Brillouin pump. This is accomplished through the circulation and isolation of its first-order Stokes signal in the optical fiber. The Brillouin pump signal is heterodyned with its second-order Brillouin Stokes signal at a high-speed photodetector, and the output beating frequency is equal to the offset between these two signals. The generated microwave carrier is measured at 21.3968 GHz , and the carrier phase noise as low as 58.67 dBc Hz is achieved.

© 2010 Optical Society of America

OCIS Codes
(140.3560) Lasers and laser optics : Lasers, ring
(290.5900) Scattering : Scattering, stimulated Brillouin
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Scattering

History
Original Manuscript: January 11, 2010
Revised Manuscript: March 20, 2010
Manuscript Accepted: March 29, 2010
Published: April 30, 2010

Citation
Y. G. Shee, M. A. Mahdi, M. H. Al-Mansoori, S. Yaakob, R. Mohamed, A. K. Zamzuri, A. Man, A. Ismail, and S. Hitam, "All-optical generation of a 21 GHz microwave carrier by incorporating a double-Brillouin frequency shifter," Opt. Lett. 35, 1461-1463 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-9-1461

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