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Optical Waveguides Using Epitaxial Bi4Ti3O12 Thin Films on MgO with CeO2 Cladding Layers

Published online by Cambridge University Press:  15 February 2011

William Jo ,
T. W. Noh ,
Y. T. Byun  and
S. H. Kim
William Jo
Affiliation:
Department of Physics, Seoul National University, Seoul 151–742, Korea
T. W. Noh
Affiliation:
Department of Physics, Seoul National University, Seoul 151–742, Korea
Y. T. Byun
Affiliation:
Division of Information and Electronics Technology, KIST, Seoul 135–650, Korea
S. H. Kim
Affiliation:
Division of Information and Electronics Technology, KIST, Seoul 135–650, Korea
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Abstract

CeO2 thin films were grown on MgO(001) single-crystal substrates by pulsed laser deposition. The CeO2 thin films were used as a cladding layer of a Bi4Ti3O12 thin film waveguide. Structural properties of the BTO/CeO2/MgO heterostructures were investigated using x-ray diffraction techniques. An epitaxial relationship of BTO(001)//CeO2(001)// MgO(001) and BTO[100]//CeO2[100]//MgO[001] was confirmed. From the epitaxial heterostructure, a ridge waveguide was fabricated by photolithographic and ion-milling techniques. An single-mode near-field pattern was observed using an end-fire coupling method.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 401: Symposium G – Epitaxial Oxide Thin Films II , 1995 , 219
Copyright
Copyright © Materials Research Society 1996

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