Quasi-parabolic pulses in a coherent nonlinear optical amplifier

Year: 2010

Authors: Kozlov V.V., Wabnitz S.

Autors Affiliation: St.-Petersburg Univerisity, Department of Physics, Petrodvoretz, St.-Petersburg 198504, Russian Federation; Dipartimento di Ingegneria DellInformazione, Universitá di Brescia, Via Branze 38, 25123 Brescia, Italy

Abstract: We show that, in a coherent two-level optical amplifier with Kerr nonlinearity and linear loss, any weak seed pulse evolves into a fixed powerful linearly chirped pulse with quasi-parabolic shape. This process is associated with a transition from the incoherent into the coherent amplification regime, thus enabling in practice the generation of pulses with a spectrum wider than the linear gain bandwidth.

Journal/Review: OPTICS LETTERS

Volume: 35 (12)      Pages from: 2058  to: 2060

KeyWords: Chirped pulse; Kerr nonlinearity; Linear gain; Non-linear optical; Optical amplifier; Parabolic pulse; Seed pulse, Amplification; Light amplifiers; Optical switches, Pulse generators
DOI: 10.1364/OL.35.002058

Citations: 1
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