Abstract
A novel approach for laser pulse reshaping with spectral scanning filtering based on Optical Kerr effect is proposed. The physical reshaping schematic is revealed and analyzed theoretically for the F-P interference filter in combination with an optical Kerr medium. The effects of the relative time-delays between pump and signal, the pump deviations and chirp errors on the reshaping performance have been investigated and discussed. Numerical simulations show that precise controlling parameters is required to better reshaping properties end. A flat top pulse with the central wavelength of 800nm, pulse duration 0.1ns is reshaped from a first order Gaussian chirped signal pulse. Furthermore, a flat top pulse is reshaped to parabolic shape, which demonstrated the flexibility of this reshaping approach.
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