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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 20 — Oct. 2, 2006
  • pp: 9022–9027

Dynamic gain-tilt compensation using electronic variable optical attenuators and a thin film filter spectral tilt monitor

P. S. Chan, C. Y. Chow, and H. K. Tsang  »View Author Affiliations

Optics Express, Vol. 14, Issue 20, pp. 9022-9027 (2006)

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An all-optical dynamic gain tilt compensator (DGTC) is proposed and experimentally demonstrated. A single wide-band thin film filter and a pair of photodetector allow the DGTC to distinguish band add/drop position. Power fluctuations from EDFA gain tilt were reduced with fast electronic variable optical attenuators.

© 2006 Optical Society of America

OCIS Codes
(060.2410) Fiber optics and optical communications : Fibers, erbium
(060.4230) Fiber optics and optical communications : Multiplexing

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: April 24, 2006
Revised Manuscript: August 9, 2006
Manuscript Accepted: August 27, 2006
Published: October 2, 2006

P. S. Chan, C. Y. Chow, and H. K. Tsang, "Dynamic gain-tilt compensation using electronic variable optical attenuators and a thin film filter spectral tilt monitor," Opt. Express 14, 9022-9027 (2006)

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  1. A. K. Srivastava, Y. Sun, J. L. Zyskind, and J. W. Sulhoff, "EDFA transient response to channel loss in WDM transmission system," IEEE Photon. Technol. Lett. 9, 386-389, (1997). [CrossRef]
  2. A. V. Tran, C-J Chae, and R. S. Tucker, "All-optical gain control for bi-directional optical add-drop multiplexer using ASE noise path through multi-port circulators," IEE Electron. Lett. 39, 1839-1841, (2003).Q1 [CrossRef]
  3. A. Bianciotto, A. Carena, V. Ferrero, and R. Gaudino, "EDFA gain transients: experimental demonstration of a low cost electronic control," IEEE Photon. Technol. Lett. 15, 1351-1353 (2003). [CrossRef]
  4. Y. Sun, A. K. Srivastava, J. Zhou, and J. W. Sulhoff, "Optical fiber amplifiers for WDM optical networks," Bell Labs Tech. J. 187-206 (1999).
  5. P. C. Becker, N. A. Olsson, and J. R. Simpson, Erbium-doped fiber amplifiers: Fundamentals and technology, (Academic Press, 1999), Chap. 9.
  6. P. S. Chan, C. Y. Chow, and H. K. Tsang, "EDFA per-band gain-tilt compensation," in conference on Optical Amplifier and their Applications (Washington, DC, Optical Society of America, 2006).
  7. H. A. Macleod, Thin film optical filter, 3rd ed., (Bristol & Philadelphia, Institute of Physics Publishing, 2001), Chap. 6. [CrossRef]
  8. See for example the mico-optic thin film filter (TFF) bandpass products at http://www.fibercom.com.tw.

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