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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 13 — Jun. 25, 2007
  • pp: 8317–8322

Continuously-tunable, bit-rate variable OTDM using broadband SBS slow-light delay line

B. Zhang, L. Zhang, L.-S. Yan, I. Fazal, J.-Y. Yang, and A. E. Willner  »View Author Affiliations


Optics Express, Vol. 15, Issue 13, pp. 8317-8322 (2007)
http://dx.doi.org/10.1364/OE.15.008317


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Abstract

We conceptually compare the advantages of the proposed slow-light-based tunable OTDM to conventional fiber-based fixed OTDM multiplexer. We experimentally demonstrate continuously-controllable OTDM of two 2.5-Gb/s return-to-zero (RZ) signals using broadband SBS-based slow-light as the tunable optical delay line. We show that the time slot of one signal path can be manipulated relative to the other by as much as 75-ps. This continuous slow light tunability dramatically enhances the OTDM system performance which results in a power penalty reduction of 9-dB for the multiplexed data stream. We also demonstrate variable-bit-rate OTDM by dynamically adjusting the tunable slow-light delay according to the input bit-rates. We show efficient two-by-one optical time multiplexing of three different input data streams at 2.5-Gb/s, 2.67-Gb/s and 5-Gb/s.

© 2007 Optical Society of America

OCIS Codes
(060.4230) Fiber optics and optical communications : Multiplexing
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: May 14, 2007
Revised Manuscript: June 12, 2007
Manuscript Accepted: June 12, 2007
Published: June 18, 2007

Citation
B. Zhang, L. Zhang, L.-S. Yan, I. Fazal, J.-Y. Yang, and A. E. Willner, "Continuously-tunable, bit-rate variable OTDM using broadband SBS slow-light delay line," Opt. Express 15, 8317-8322 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-13-8317


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References

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