Multiple-mode reconfigurable electro-optic switching network for optical fiber sensor array

Ray T. Chen; Michael R. Wang; Tomasz P. Jannson; Robert J. Baumbick

doi:10.1117/12.24973

1 February 1991 Multiple-mode reconfigurable electro-optic switching network for optical fiber sensor array

Ray T. Chen, Michael R. Wang, Tomasz P. Jannson, Robert J. Baumbick

Proceedings Volume 1374, Integrated Optics and Optoelectronics II; (1991) https://doi.org/10.1117/12.24973
Event: SPIE Microelectronic Interconnect and Integrated Processing Symposium, 1990, San Jose, United States

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.

Citation Download Citation

Ray T. Chen, Michael R. Wang, Tomasz P. Jannson, and Robert J. Baumbick "Multiple-mode reconfigurable electro-optic switching network for optical fiber sensor array", Proc. SPIE 1374, Integrated Optics and Optoelectronics II, (1 February 1991); https://doi.org/10.1117/12.24973

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