Optical switch apparatus

Details Optical switch apparatus Optical switch apparatus

1989-07-03

1991-05-07

Gonzalez, Frank

350 9613, G02B 610

Patent

active

050131141

ABSTRACT:
An optical switch apparatus comprises two optical waveguides, which may be formed by diffusing titanium into a lithium niobate body. Electrode are bonded to the surface of the body and are arranged such that an electric field may be applied across the body, resulting in the distance between the waveguides being reduced. Hence a change is produced in the coupling constant of the waveguides and the switching response of the switch may be enhanced.

REFERENCES:
patent: 4160579 (1979-07-01), Milton
patent: 4372643 (1983-02-01), Liu et al.
patent: 4645293 (1987-02-01), Yoshida et al.
patent: 4679893 (1987-07-01), Ramer
Richard A. Forber et al., "Symmetrical Directional Coupler Switches", IEEE Journal of Quantum Electronics, vol. QE-22, No. 6, (Jun., 1986), pp. 911-918.

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