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We have calculated the quantum-limited lineshape of the comb lines from a mode-locked Ti:sapphire laser using experimentally-derived parameters for the linear response and quantum noise drivers from a generalized soliton perturbation theory. The detailed lineshape has small contributions from relaxation oscillations and frequency pulling. Our results are relevant in determining the fundamental limitation...
The linear response of a mode-locked laser to a perturbation of the pump power is measured quantitatively. Relaxation oscillations, frequency pulling, and nonlinear changes in the timing and phase of the pulse train are observed.
Observations of the response of a mode-locked Ti:sapphire laser to an abrupt change in pump power show that gain dynamics should be included in a complete theory of its response to perturbations.
Calculations, using Maxwells equations, of nonlinear effects on the carrier-envelope phase of ultrashort pulses propagating in sapphire show that the slope with respect to intensity changes signs due to the finite response time of n/sub 2/.
Summary form only given. We examine the connection between wavelength and spatial mode that occurs in Kerr-lens mode-locking (KLM) lasers because self-phase modulation and self-focusing have the same underlying origin. We demonstrate that a laser generating 10-fs pulses exhibits a strong wavelength dependence in its output beam; that is it has a frequency-dependent mode size (FDMS). The measurements...
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