Characterization of nonlinear switching in a figure-of-eight fiber laser using frequency-resolved optical gating
Bollond, Paul G. and Barry, Liam P. and Dudley, John M. and Leonhardt, Rainer and Harvey, John D. (1998) Characterization of nonlinear switching in a figure-of-eight fiber laser using frequency-resolved optical gating. IEEE Photonics Technology Letters, 10 (3). pp. 343-345. ISSN 1041-1135
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The measurement technique of frequency-resolved optical gating is applied to determine the nonlinear switching characteristics of a passively modelocked figure-of-eight erbium-doped fiber laser. By completely characterizing the intensity and phase of the laser output pulses, the intracavity fields in the nonlinear amplifying loop mirror of the laser cavity are determined by numerical propagation using the nonlinear Schrodinger equation. Excellent switching of 95% can be achieved as a result of uniform phase characteristics developed by pulses propagating in the nonlinear amplifying loop mirror.
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