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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 16 — Aug. 6, 2007
  • pp: 10189–10195

Storage capacity of slow-light tunable optical buffers based on fiber Brillouin amplifiers for real signal bit streams

Liang Xing, Li Zhan, Lilin Yi, and Yuxing Xia  »View Author Affiliations

Optics Express, Vol. 15, Issue 16, pp. 10189-10195 (2007)

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We present a theoretical analysis of the slow-light tunable optical buffers based on fiber Brillouin amplifiers (FBA). Its storage capacity was discussed for return-to-zero (RZ) and non-return-to-zero (NRZ) bit streams. Gain saturation and pulse broadening are two key factors which limit the buffer capacity. Gain saturation is an inherent characteristic of the FBA. Broadening of the amplified pulse always accumulates with increasing gain owing to the dispersion during stimulated Brillouin scattering (SBS) process. It is shown that the maximum buffer capacity varies with data bit rate and for continuous wave (CW) or quasi-CW pump it is 0.53 and 1.04 bit for RZ and NRZ respectively. Also, the optimum data bit rate to achieve the best storage capacity is obtained.

© 2007 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(290.5900) Scattering : Scattering, stimulated Brillouin

ToC Category:
Slow Light

Original Manuscript: May 14, 2007
Revised Manuscript: July 9, 2007
Manuscript Accepted: July 15, 2007
Published: July 27, 2007

Liang Xing, Li Zhan, Lilin Yi, and Yuxing Xia, "Storage capacity of slow-light tunable optical buffers based on fiber Brillouin amplifiers for real signal bit streams," Opt. Express 15, 10189-10195 (2007)

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