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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 25, Iss. 12 — Dec. 1, 2008
  • pp: C109–C115

Broadband Brillouin slow light based on multifrequency phase modulation in optical fibers

Yongkang Dong, Zhiwei Lu, Qiang Li, and Yingfan Liu  »View Author Affiliations


JOSA B, Vol. 25, Issue 12, pp. C109-C115 (2008)
http://dx.doi.org/10.1364/JOSAB.25.00C109


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Abstract

We theoretically analyze and experimentally demonstrate broadband Brillouin slow light using multiple equal-amplitude spectral lines generated by multifrequency phase modulation. The theoretical analysis shows that 4 n 1 equal-amplitude spectral lines can be obtained if the modulation signal comprises the fundamental frequency and the odd harmonic waves, where n denotes the number of frequency components in the modulation signal. In experiment, 7 and 11 equal-amplitude spectral lines are obtained and Brillouin bandwidths of 340 and 570 MHz are gained, respectively. The experimental results also indicate that the slope of the broadening factor for the delayed signal decreases in the case of broad and flattened Brillouin gain spectrum.

© 2008 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.4080) Fiber optics and optical communications : Modulation
(290.5900) Scattering : Scattering, stimulated Brillouin
(350.5500) Other areas of optics : Propagation

ToC Category:
Slow Light in Semiconductor Opt. Amplifiers, Er-Doped Fiber Amplifiers, and Amplifiers Based on SBS

History
Original Manuscript: April 23, 2008
Revised Manuscript: July 2, 2008
Manuscript Accepted: July 16, 2008
Published: October 8, 2008

Citation
Yongkang Dong, Zhiwei Lu, Qiang Li, and Yingfan Liu, "Broadband Brillouin slow light based on multifrequency phase modulation in optical fibers," J. Opt. Soc. Am. B 25, C109-C115 (2008)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-25-12-C109


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