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- Levenius, Martin, et al.
(author)
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Ultra-broadband optical parametric generation in periodically poled stoichiometric LiTaO(3)
- 2011
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In: Optics Express. - : Optical Society of America. - 1094-4087. ; 19:5, s. 4121-4128
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Journal article (peer-reviewed)abstract
- We report on broadband gain in an optical parametric generator based on periodically poled 1 mol% magnesium-doped stoichiometric LiTaO(3) (PPMg:SLT). More than an octave-spanning parametric gain, stretching from near to mid-infrared, is generated by pumping the crystals close to the point where, at parametric degeneracy, the waves experience zero group-velocity dispersion. Using a picosecond Ti:sapphire source, we measured the broadest parametric gain bandwidths, 180 THz at 10 dB, in PPMg: SLT gratings with a period of 25 mu m pumped at 860 nm.
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