5 January 1990 Characterization Of Proton-Exchanged Optical Waveguides In Z-Cut LiNbO3 Using Pyrophosphoric Acid
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Abstract
Mode index measurements of optical slab waveguides fabricated by proton-exchange with pyrophos-phoric acid in z-cut LiNb03 have been made. The index profile is approximately a step with an index increase of .131 at T = 200°C. In addition to establishing formulae for the effective diffusion constant (De) and guide depth (d) for a given diffusion temperature and time, an investigation of the often neglected anisotropic nature of these wavercuides is presented.
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John Nikolopoulos, John Nikolopoulos, Gar Lam Yip, Gar Lam Yip, } "Characterization Of Proton-Exchanged Optical Waveguides In Z-Cut LiNbO3 Using Pyrophosphoric Acid", Proc. SPIE 1177, Integrated Optics and Optoelectronics, (5 January 1990); doi: 10.1117/12.963315; https://doi.org/10.1117/12.963315
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