Frequency converters from visible to mid-infrared with periodically poled RbTiOPO[sub 4]

Fragemann, A.; Pasiskevicius, V.; Nordborg, J.; Hellström, J.; Karlsson, H.; Laurell, F.
October 2003
Applied Physics Letters;10/13/2003, Vol. 83 Issue 15, p3090
Academic Journal
Electric-field poling has been used to fabricate quasi-phase-matched frequency converters in RbTiOPO[sub 4]. A more accurate Sellmeier equation has been obtained for wavelengths between 0.43 and 3.4 μm. The dispersion of the thermo-optic coefficient for n[sub z] refractive index has been derived in the near- to mid-infrared spectral region. The nonlinear performance of periodically poled RbTiOPO[sub 4] obtained in the infrared optical parametric devices is comparable to that of periodically poled KTiOPO[sub 4]. © 2003 American Institute of Physics.


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