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Proceedings Paper

Multiple-mode reconfigurable electro-optic switching network for optical fiber sensor array
Author(s): Ray T. Chen; Michael R. Wang; Tomasz P. Jannson; Robert J. Baumbick
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Paper Abstract

This paper reports the first switching network compatible with multimode fibers. A one-to-many cascaded reconfigurable interconnection was built. A thin glass substrate was used as the guiding medium which provides not only higher coupling efficiency from multimode fiber to waveguide but also better tolerance of phase-matching conditions. Involvement of a total-internal-reflection hologram and multimode waveguide eliminates interface problems between fibers and waveguides. The DCG polymer graft has proven to be reliable from -180 C to +200 C. Survivability of such an electrooptic system in harsh environments is further ensured. LiNbO3 was chosen as the E-O material because of its stability at high temperatures (phase-transition temperature of more than 1000 C) and maturity of E-O device technology. Further theoretical calculation was conducted to provide the optimal interaction length and device capacitance.

Paper Details

Date Published: 1 February 1991
PDF: 14 pages
Proc. SPIE 1374, Integrated Optics and Optoelectronics II, (1 February 1991); doi: 10.1117/12.24973
Show Author Affiliations
Ray T. Chen, Physical Optics Corp. (United States)
Michael R. Wang, Physical Optics Corp. (United States)
Tomasz P. Jannson, Physical Optics Corp. (United States)
Robert J. Baumbick, NASA/Lewis Research Ctr. (United States)


Published in SPIE Proceedings Vol. 1374:
Integrated Optics and Optoelectronics II
Ka Kha Wong, Editor(s)

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