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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 17 — Aug. 21, 2006
  • pp: 7617–7622

Ultra-flat SPM-broadened spectra in a highly nonlinear fiber using parabolic pulses formed in a fiber Bragg grating

Francesca Parmigiani, Christophe Finot, Kazunori Mukasa, Morten Ibsen, Michael A. F. Roelens, Periklis Petropoulos, and David J. Richardson  »View Author Affiliations


Optics Express, Vol. 14, Issue 17, pp. 7617-7622 (2006)
http://dx.doi.org/10.1364/OE.14.007617


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Abstract

We propose a new method for generating flat self-phase modulation (SPM)-broadened spectra based on seeding a highly nonlinear fiber (HNLF) with chirp-free parabolic pulses generated using linear pulse shaping in a superstructured fiber Bragg grating (SSFBG). We show that the use of grating reshaped parabolic pulses allows substantially better performance in terms of the extent of SPM-based spectral broadening and flatness relative to conventional hyperbolic secant (sech) pulses. We demonstrate both numerically and experimentally the generation of SPM-broadened pulses centred at 1542nm with 92% of the pulse energy remaining within the 29nm 3dB spectral bandwidth. Applications in spectral slicing and pulse compression are demonstrated.

© 2006 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(060.4510) Fiber optics and optical communications : Optical communications
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons
(060.7140) Fiber optics and optical communications : Ultrafast processes in fibers
(320.5520) Ultrafast optics : Pulse compression

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: June 16, 2006
Revised Manuscript: July 24, 2006
Manuscript Accepted: July 30, 2006
Published: August 21, 2006

Citation
Francesca Parmigiani, Christophe Finot, Kazunori Mukasa, Morten Ibsen, Michael A. Roelens, Periklis Petropoulos, and David J. Richardson, "Ultra-flat SPM-broadened spectra in a highly nonlinear fiber using parabolic pulses formed in a fiber Bragg grating," Opt. Express 14, 7617-7622 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-17-7617


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References

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