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Structure of high index proton exchange LiNbO3 waveguides with undegraded nonlinear optical coefficients (1997)

Rams, J.

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 71 (1997), S. 3356-3358

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ISSN: 1077-3118

Source: AIP Digital Archive

Topics: Physics

Notes: A structural study is presented on proton exchanged LiNbO3 waveguides prepared in benzoic acid vapor which, for z-cut substrates, were previously reported to simultaneously exhibit high index jump, very low losses, and undegraded nonlinear optical coefficients. X-ray rocking curves of z-cut guides show a unique, intense peak with the same bandwidth as the substrate peak, located at the κ2-phase position of HxLi1−xNbO3, as well as a small α-phase contribution. For x-cut guides only the β1-phase peak is obtained, with a bandwidth about 60% greater than the substrate peak. Distinctive features of κ2 and β1 guides are also shown in micro-Raman spectra. © 1997 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.120336

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