Patent
1986-10-22
1989-02-28
Wan, Gene
G02B 514
Patent
active
048079529
ABSTRACT:
A voltage-induced optical waveguide modulator is disclosed in which the inter-electrode gap is significantly reduced to a width on the order of 4 microns. The use of a dielectric layer between the electrodes and the electro-optic substrate is disclosed. A ridge of the electro-optic substrate between the electrodes is also disclosed. The dimensions of the device and operating voltage may consequently be signficantly reduced.
REFERENCES:
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patent: 4039249 (1977-08-01), Kaminow et al.
patent: 4111523 (1978-09-01), Kaminow et al.
"Electro-Optically Induced Optical Waveguide in KNbO.sub.3 ", Baumert et al., in Entegrated Optics, Proceedings of the Third European Conference at pp. 44-48.
"Voltage-Induced Optical Waveguide", D. J. Channin in vol. 19, Appl. Phys. Lett., pp. 128-130.
"Fabrication of Flip-Chip Optical Couplers Between Single-Mode Fibres and LiNbO.sub.3 Channel Waveguides", Bulmer et al., and Proceedings of the 31st Electronic Component Conference, pp. 109-113.
"Electrically Induced Ti:LiNbO.sub.3 Strip-Waveguides: Effects of Electrooptic Modulation", Savatinova et al., Journal of Optical Communications, 5, (1984), pp. 10-15.
Jaeger Nicolas A. F.
Young Lawrence
The University of British Columbia
Wan Gene
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