Elaboration of epitaxial rubidium titanyl phosphate (RTP) thin films by pulsed laser deposition (PLD)
Résumé
Potassium titanyl phosphate (KTiOPO4, KTP) is a nonlinear optical crystal that is used commercially for second harmonic generation (SHG) of the 1.064 μm Nd:YAG laser for example. Most of its applications are based on bulk KTP crystals. Nevertheless, it was reported [1] that a type-II second-harmonic generation and sum-frequency mixing could be realized in uniform epitaxial RbTiOPO4 (RTP) films over KTP channel waveguides prepared by Pulsed Laser Deposition (PLD). Such waveguides could open the way to efficient low energy nonlinear optical devices for numerous applications in particular in optical Telecom.
Domaines
Matériaux
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