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Proceedings Paper

Proton-exchanged optical waveguides in Y-cut MgO:LiNbO3
Author(s): W. X. Hou; S. A. Zhao; Edwin Y. B. Pun; Po Sheun Chung
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Paper Abstract

Proton exchanged planar optical waveguides have been fabricated and characterized in y-cut 4.5 mol% MgO:LiNbO3 crystals using adipic acid as the proton source. These waveguides exhibit a linear-step index profile with a surface index increase (Delta) n of 0.142 measured at the wavelength of 0.633 micrometers . The activation energy Q and the diffusion constant Do were measured to be 73.74 kJ/mol and 9.96 X 107 micrometers 2/h, respectively. The diffusion rate in y-cut substrates is faster than that in z-cut substrates.

Paper Details

Date Published: 17 March 1995
PDF: 6 pages
Proc. SPIE 2401, Functional Photonic Integrated Circuits, (17 March 1995); doi: 10.1117/12.205037
Show Author Affiliations
W. X. Hou, City Univ. of Hong Kong (Hong Kong China)
S. A. Zhao, City Univ. of Hong Kong (Hong Kong China)
Edwin Y. B. Pun, City Univ. of Hong Kong (Hong Kong China)
Po Sheun Chung, City Univ. of Hong Kong (Hong Kong China)

Published in SPIE Proceedings Vol. 2401:
Functional Photonic Integrated Circuits
Mario Nicola Armenise; Ka-Kha Wong, Editor(s)

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