19 November 2003 Indirectly seeded optical parametric generation in PPLN
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Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.525198
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy
Abstract
We show that pulsed quasi-phase matched optical parametric generation can be indirectly seeded with a weak cw beam with a wavelength different from that of either the signal or the idler waves. This is accomplished by first mixing the cw seed beam with the pulsed pump beam in a periodically poled lithuim niobate (PPLN) crystal to produce a weak signal beam which is then further amplified in the same crystal. The crystal has two regions with different domain structure periodicities. In the first region the periodicity is chosen to create a beam at 1561.5 nm, resulting from mixing a 15 mW, 632.8 nm beam and an intense, 7 ns 1064 nm pulse. In the second region, the periodicity produces amplification of this signal beam at 1561.5 nm. The output beam inherits the spectral and mode characteristics of the weak seed beam.
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M. J. Orozco-Arellanes, M. J. Orozco-Arellanes, F. Alonso, F. Alonso, L. A. Rios, L. A. Rios, Roger S. Cudney, Roger S. Cudney, } "Indirectly seeded optical parametric generation in PPLN", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); doi: 10.1117/12.525198; https://doi.org/10.1117/12.525198
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