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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 1 — Jan. 9, 2006
  • pp: 270–278

Generation of octave-spanning supercontinuum with 1550-nm amplified diode-laser pulses and a dispersion-shifted fiber

Sucbei Moon and Dug Y. Kim  »View Author Affiliations


Optics Express, Vol. 14, Issue 1, pp. 270-278 (2006)
http://dx.doi.org/10.1364/OPEX.14.000270


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Abstract

We present a compact supercontinuum source using a dispersion-shifted fiber and an amplified diode-laser pulse source. Gain-switched DFB laser operating at 1550-nm wavelength, which provides 30-ps pulses, was used for generating the seeding pulses. And serially cascaded low-cost EDFAs were employed to boost the peak power of the pulses to more than 1 kW. Single-mode supercontinuum spanning nearly the full near-IR band was obtained by passing the amplified high-power pulses through a dispersion-shifted fiber. By investigating various characteristics of the supercontinuum generation, the walk-off between the spectral components was found to limit the effective interaction length of the spectrum-broadening effects. An optimal length of the fiber to obtain a flat spectrum was determined, which minimizes undesirable excessive Raman effect.

© 2006 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(230.6080) Optical devices : Sources

ToC Category:
Optical Devices

Citation
Sucbei Moon and Dug Y. Kim, "Generation of octave-spanning supercontinuum with 1550-nm amplified diode-laser pulses and a dispersion-shifted fiber," Opt. Express 14, 270-278 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-1-270


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References

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