Second order optical nonlinearity of proton exchanged lithium niobate and lithium tantalate waveguides

F. LaureII,V.A. Fedorov,Yu.N. Korkishko,S.M. Kostritskii,A.N. Alkaev,E.I. Maslennikovi

doi:10.1109/lfnm.2003.1246089

Second order optical nonlinearity of proton exchanged lithium niobate and lithium tantalate waveguides

F. LaureII, V.A. Fedorov + Show 4 more

https://doi.org/10.1109/lfnm.2003.1246089

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Publication Date: Nov 17, 2003

Affiliation: Moscow State Institute of Electronics and Mathematics

#Proton-exchanged Waveguides #Proton Exchanged + Show 8 more

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Abstract

This paper presents the influence of the phase state of proton exchanged (PE) LiNbO/sub 3/ and LiTaO/sub 3/ waveguides on the second-order optical nonlinearity by using reflected second harmonic generation (SHG) measurements from the polished waveguide end face in different H/sub x/Li/sub 1-x/NbO/sub 3/ and H/sub x/Li/sub 1-x/TaO/sub 3/ phases: as-exchanged and annealed proton-exchanged (APE) waveguides, high-temperature proton-exchanged (HTPE) waveguides, as well as reverse proton exchanged (RPE) waveguides, and proton exchanged waveguides in stoichiometric and MgO-doped LiNbO/sub 3/ crystals.

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