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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 23 — Nov. 8, 2010
  • pp: 24126–24139

Spectral gain control using shaped pump pulses in a counter-pumped cascaded fiber Raman amplifier

Carl Farrell, Christophe A. Codemard, and Johan Nilsson  »View Author Affiliations


Optics Express, Vol. 18, Issue 23, pp. 24126-24139 (2010)
http://dx.doi.org/10.1364/OE.18.024126


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Abstract

We investigate the Raman gain spectra produced from pulse-pumping a highly nonlinear fiber with shaped optical pulses delivered from a Yb-doped fiber MOPA pump source. Cascaded Raman wavelength shifting up to seven Stokes orders is demonstrated and the counter-propagating gain is measured across all seven Stokes orders. Step-shaped optical pulses with varying instantaneous powers are then used to pump the highly nonlinear fiber, generating a controllable gain spectrum across multiple Stokes orders. Furthermore, we extend this work by using multiple pump wavelengths along with step-shaped pulses to increase the bandwidth of the Raman gain spectrum.

© 2010 OSA

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(190.5650) Nonlinear optics : Raman effect

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 27, 2010
Revised Manuscript: September 26, 2010
Manuscript Accepted: September 27, 2010
Published: November 3, 2010

Citation
Carl Farrell, Christophe A. Codemard, and Johan Nilsson, "Spectral gain control using shaped pump pulses in a counter-pumped cascaded fiber Raman amplifier," Opt. Express 18, 24126-24139 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-23-24126


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References

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