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Title: Impact of spectral filtering on multipulsing instability in mode-locked fiber lasers
Authors: Zhang, X 
Li, F 
Nakkeeran, K
Yuan, J 
Kang, Z 
Nathan Kutz, J
Wai, PKA 
Keywords: Mode-locked fiber lasers
Nonlinear dynamics
Spectral filtering
Issue Date: 2018
Publisher: Institute of Electrical and Electronics Engineers Inc.
Source: IEEE journal of selected topics in quantum electronics, 2018, v. 24, no. 3, 8103744 How to cite?
Journal: IEEE journal of selected topics in quantum electronics 
Abstract: We investigate the impact of spectral filtering in mode-locked fiber lasers with an extended geometrical model. Our iterative model, which includes gain, loss, and the pulse shaping effects of chromatic dispersion and self-phase modulation, is used to model the laser cavity dynamics. Simulations show that broadband pulses experience large losses from spectral filtering in the cavity, leading to a number of potential laser instabilities and outcomes such as multipulsing, periodic and chaotic states, or a single pulse which transits to a higher energy state. For narrow band spectral filtering, the laser dynamics is dominated by the gain-loss dynamics in the cavity which causes multipulsing. For broadband spectral filtering, the nonlinearity-induced spectral reshaping of the single pulse can lead to a discontinuous pulse energy transition that circumvents multipulsing. The inclusion of third-order dispersion shows that the multipulsing instability is induced even in the case of broadband spectral filtering.
ISSN: 0792-1233
DOI: 10.1109/JSTQE.2017.2771744
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