Resonant two-photon photorefractive grating in praeseodymium-doped strontium barium niobate with cw lasers
Optics Letters, Vol. 21, Issue 8, pp. 567-569 (1996)
http://dx.doi.org/10.1364/OL.21.000567
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Abstract
We report experimental observation of resonant two-photon photorefractive gratings in Pr-doped SBN:60. Long-lived 4ƒ intermediate states significantly reduced intensity threshold, thus permitting use of cw lasers for the two-photon transitions. Both two-beam one-color two-photon gratings and three-beam two-color gratings were observed. We expect these results to be extended to other rare-earth dopants.
© 1996 Optical Society of America
Citation
Y. S. Bai, R. R. Neurgaonkar, and R. Kachru, "Resonant two-photon photorefractive grating in praeseodymium-doped strontium barium niobate with cw lasers," Opt. Lett. 21, 567-569 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-8-567
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