Abstract
We have demonstrated the output characteristics of optical parametric amplification (OPA) seeded by a supercontinuum (SC) generated in deionized water excited by . The SC spectrum (from 426 to ) overlaps well with the tuning range of a pumped OPA for both the signal and idler. The tunable range covers from 430 to , with a maximum overall energy conversion efficiency of 32% in the OPA stage. A FWHM bandwidth of near the degeneracy point from 658 to can be generated by using a collinear OPA. Chirping of the SC pulses is also investigated with the OPA technique. The time delay between the component and the component of the generated SC due to chirp is measured to be , increasing almost linearly with the wavelength.
© 2010 Optical Society of America
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