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Self-Similar Propagation and Amplification of Parabolic Pulses in Optical Fibers

Fermann, ME; Kruglov, VI; Thomsen, BC; Dudley, JM; Harvey, JD; (2000) Self-Similar Propagation and Amplification of Parabolic Pulses in Optical Fibers. Physical Review Letters , 84 (26) 6010 - 6013. 10.1103/PhysRevLett.84.6010. Green open access

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Abstract

Ultrashort pulse propagation in high gain optical fiber amplifiers with normal dispersion is studied by self-similarity analysis of the nonlinear Schrödinger equation with gain. An exact asymptotic solution is found, corresponding to a linearly chirped parabolic pulse which propagates self-similarly subject to simple scaling rules. The solution has been confirmed by numerical simulations and experiments studying propagation in a Yb-doped fiber amplifier. Additional experiments show that the pulses remain parabolic after propagation through standard single mode fiber with normal dispersion.

Type: Article
Title: Self-Similar Propagation and Amplification of Parabolic Pulses in Optical Fibers
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.84.6010
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.84.6010
Language: English
Additional information: © 2000 The American Physical Society
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/97897
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