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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 25 — Sep. 1, 2013
  • pp: 6179–6184

Brillouin optical spectrum analyzer monitoring of subcarrier-multiplexed fiber-optic signals

Yonatan Stern, Kun Zhong, Thomas Schneider, Yossef Ben-Ezra, Ru Zhang, Moshe Tur, and Avi Zadok  »View Author Affiliations


Applied Optics, Vol. 52, Issue 25, pp. 6179-6184 (2013)
http://dx.doi.org/10.1364/AO.52.006179


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Abstract

Optical spectral analysis of closely spaced, subcarrier multiplexed fiber-optic transmission is performed, based on stimulated Brillouin scattering (SBS). The Brillouin gain window of a single, continuous-wave pump is scanned across the spectral extent of the signal under test. The polarization pulling effect associated with SBS is employed to improve the rejection ratio of the analysis by an order of magnitude. Ten tones, spaced by only 10 MHz and each carrying random-sequence on–off keying data, are clearly resolved. The measurement identifies the absence of a single subcarrier, directly in the optical domain. The results are applicable to the monitoring of optical orthogonal frequency domain multiplexing and radio over fiber transmission.

© 2013 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(070.4790) Fourier optics and signal processing : Spectrum analysis
(290.5900) Scattering : Scattering, stimulated Brillouin
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: June 28, 2013
Manuscript Accepted: July 27, 2013
Published: August 23, 2013

Citation
Yonatan Stern, Kun Zhong, Thomas Schneider, Yossef Ben-Ezra, Ru Zhang, Moshe Tur, and Avi Zadok, "Brillouin optical spectrum analyzer monitoring of subcarrier-multiplexed fiber-optic signals," Appl. Opt. 52, 6179-6184 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-25-6179


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