Optical mode size control by MgO indiffusion in Ti:LiNbO3 waveguides

Yattowita Vithanage, D, Mitchell, A and Austin, M 2002, 'Optical mode size control by MgO indiffusion in Ti:LiNbO3 waveguides', in M. Gal (ed.) Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2002), Sydney, Australia, 11-13 December 2002.


Document type: Conference Paper
Collection: Conference Papers

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Title Optical mode size control by MgO indiffusion in Ti:LiNbO3 waveguides
Author(s) Yattowita Vithanage, D
Mitchell, A
Austin, M
Year 2002
Conference name Conference on Optoelectronic and Microelectronic Materials and Devices
Conference location Sydney, Australia
Conference dates 11-13 December 2002
Proceedings title Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2002)
Editor(s) M. Gal
Publisher IEEE
Place of publication Piscataway, USA
Abstract In this paper, the use of magnesium oxide (MgO) indiffusion in combination with Ti:LiNbO3 through appropriate control of pre- and post-diffusion parameters is investigated as a way of controlling optical mode size. The co-diffusion of pre-patterned Ti with various patterned MgO films on LiNbO3 has been compared experimentally. This method has been applied to study straight waveguides and couplers. The waveguides were optically characterized by near-field mode size and loss measurements methods at a wavelength of 1.55 μm. Reduction of inter-mode coupling between adjacent waveguides with the introduction of MgO has been observed.
Subjects Microtechnology
Keyword(s) integrated optics
DOI - identifier 10.1109/COMMAD.2002.1237313
Copyright notice © 2002 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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