Optical parametric generation of nearly transform-limited mid-infrared pulses in dispersion-engineered nonlinear waveguides
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Optical parametric generation in dispersion-engineered waveguides fabricated by proton exchange in periodically poled lithium niobate is numerically investigated as a means for producing widely tunable mid-infrared ultrashort pulses starting from low energy pump pulses at a 1.55?孠wavelength and with 100?fs duration, which are typical parameters of amplified Er-fiber oscillators. Numerical evidence is given about the generation of sub- 100?fs nearly transform-limited pulses in the 2.4-4.4?孠spectral range.
Copyright 2008 OSA. This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/OL.33.002107. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Nonlinear Optics and Spectroscopy
Photonics, Optoelectronics and Optical Communications