Theory of passive harmonic mode-locking using waveguide arrays.
J. Nathan Kutz,Björn Sandstede +1 more
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TLDR
A comprehensive theoretical treatment is given of the phenomenon of harmonic mode-locking in a laser cavity mode-locked by the nonlinear mode-coupling behavior in a waveguide array.Abstract:
A comprehensive theoretical treatment is given of the phenomenon of harmonic mode-locking in a laser cavity mode-locked by the nonlinear mode-coupling behavior in a waveguide array. The theoretical model completely characterizes oscillatory instabilities and the transition from M to M+1 pulses as a function of increased gain.read more
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Journal ArticleDOI
Revealing the Buildup Dynamics of Harmonic Mode-Locking States in Ultrafast Lasers
Xueming Liu,Meng Pang,Meng Pang +2 more
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Geometrical description of the onset of multi-pulsing in mode-locked laser cavities
TL;DR: In this article, a simple iterative model is introduced quantifying the interaction of saturable gain and nonlinear loss in a mode-locked laser cavity, which completely characterizes the generic multi-pulsing instability observed in experiments.
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Transition dynamics for multi-pulsing in mode-locked lasers
TL;DR: This is the first theoretical and experimental characterization of the transition behavior of the mode-locked lasers at the onset of multi-pulsing from N to N +1 pulses per round trip, made possible by a highly refined tuning of the gain pump level.
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Harmonic mode locking of bound solitons
TL;DR: The experiment shows that the stable HML state of the bound solitons (BSs) with a fixed and discrete separation is obtained, confirming that the BS is another intrinsic feature of the laser, except for the single soliton.
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Extremum-Seeking Control of a Mode-Locked Laser
TL;DR: In this article, a multi-parameter extremum-seeking control (ESC) algorithm is used on a nonlinear polarization rotation (NPR) based laser using waveplate and polarizer angles to achieve optimal passive mode-locking despite large disturbances to the system.