Abstract

Parabolic pulse generation via Raman amplification is experimentally demonstrated in 5.3 km of non-zero dispersion shifted fiber presenting normal group velocity dispersion at the injected signal pulse wavelength of 1550 nm. The fiber is pumped by a commercially-available continuous wave source at 1455 nm, and the intensity and chirp of the amplifier output are characterized using frequency-resolved optical gating. For 2.4 pJ input pulses of 10 ps duration, the output pulse characteristics are studied as a function of amplifier gain over the range 11-24 dB, allowing the evolution of the input pulse to a parabolic pulse to be clearly seen for amplifier gains exceeding 15 dB. Numerical compression of the output pulses show that near chirp-free pulses can be obtained using only linear chirp compensation.

© 2003 Optical Society of America

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http://www.opticsexpress.org/abstract.cf (1)

J. H. V. Price, W. Belardi, T. M. Monro, A. Malinowski, A. Piper, D. J. Richardson, �??Soliton transmission and supercontinuum generation in holey fiber, using a diode pumped Ytterbium fiber source,�?? Opt. Express 10, 382-387 (2002) <a href="http://www.opticsexpress.org/abstract.cfm?URI=OPEX-10-8-382">http://www.opticsexpress.org/abstract.cfm?URI=OPEX-10-8-382</a>.

J. Opt. Soc. Am. B (2)

Opt. Commun. (2)

A. C. Peacock, R. J. Kruhlak, J. D. Harvey, J. M. Dudley, �??Solitary pulse propagation in high gain optical fiber amplifiers with normal group velocity dispersion,�?? Opt. Commun. 206, 171-177 (2002).
[CrossRef]

A. C. Peacock, N. G. R. Broderick, T. M. Monro, �??Numerical study of parabolic pulse generation in microstructured fibre Raman amplifiers,�?? Opt. Commun. 218, 167-172 (2003).
[CrossRef]

Opt. Express (1)

Opt. Lett. (2)

Phys. Rev. Lett. (1)

M. E. Fermann, V. I. Kruglov, B. C. Thomsen, J. M. Dudley, and J. D. Harvey. �??Self-similar propagation and amplifcation of parabolic pulses in optical fibers,�?? Phys. Rev. Lett. 84, 6010-6013 (2000).
[CrossRef]

Theoretical and Mathematical Physics (1)

S. Boscolo, S. K. Turitsyn, V. Yu. Novokshenov, J. H. B. Nijhof , �??Self-similar parabolic optical solitary waves,�?? Theoretical and Mathematical Physics 133, 1647-1656 (2002).
[CrossRef]

Other (1)

J. M. Dudley, �??Intensity and Chirp Characterization of Highly Distorted Pulses�?? in Frequency Resolved Optical Gating: The Measurement of Ultrashort Laser Pulses," R. Trebino, Kluwer Academic Publishers chapter 15, 305-312 (2000).

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