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Proceedings Paper

Fabrication of UV-sensitive waveguides for integrated photonics applications
Author(s): Emile M. W. Wong; Hau Ping Chan; Ping Shum; William A. Gambling; Ho-Pui Ho; Shuit-Tong Lee
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Paper Abstract

Germanium-doped silica glasses have been fabricated and the UV induced refractive index change have been studied. An order of 10-3 refractive index change has been obtained. With the use of silver ion exchange before UV exposure, much greater refractive index change has been observed. The silver ion exchanged germanium-doped glass has a 10-2 refractive index change when it is exposed to 248 nm excimer laser. This procedure allows the fabrication of integrated optical components in a convenient way.

Paper Details

Date Published: 19 October 2000
PDF: 6 pages
Proc. SPIE 4110, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VI, (19 October 2000); doi: 10.1117/12.404797
Show Author Affiliations
Emile M. W. Wong, City Univ. of Hong Kong (Hong Kong)
Hau Ping Chan, City Univ. of Hong Kong (Hong Kong)
Ping Shum, Nanyang Technological Univ. (Singapore)
William A. Gambling, City Univ. of Hong Kong (Hong Kong)
Ho-Pui Ho, City Univ. of Hong Kong (Hong Kong)
Shuit-Tong Lee, City Univ. of Hong Kong (Hong Kong)


Published in SPIE Proceedings Vol. 4110:
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VI
Shizhuo Yin; Francis T. S. Yu, Editor(s)

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