Electro-optical component and method for making the same

Details Electro-optical component and method for making the same Electro-optical component and method for making the same

1991-04-10

1992-08-18

Ullah, Akm E.

Optical waveguides

Temporal optical modulation within an optical waveguide

Electro-optic

385 3, G02B 610, H01L 29161

Patent

active

051406527

ABSTRACT:
Electro-optical components and semi-manufactured articles, and method for making them. A light conducting layer is formed from a poleable or poled glassy polymer material, which has an under ionizing radiation definitively destructible e/o activity. A selective irradiation under a parallel beam will give sharp transitions (C, D) from an e/o active area (2.1) or an area which can still be activated to an e/o nonactive area. The buffer layers (3 and 5) can also consist of such like irradiated material. A suitable positioning of the electrodes (4 and 11) between which by means of a difference in voltage applied across the connections (12 and 13) an electric field with a sufficient intensity and/or uniformity can be induced extending into the border area, on both sides of the transition planes (C, D), will make sharp inducible refractive index transitions possible. This is utilized with e/o inducible waveguides in thin layers to obtain sharp lateral definitions, and in an optical intermediate switch.

REFERENCES:
patent: 4943133 (1990-07-01), Deri et al.
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patent: 4991921 (1991-02-01), Suzuki et al.
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patent: 5028108 (1991-07-01), Young
patent: 5034783 (1991-07-01), Chang et al.
patent: 5067828 (1991-11-01), Sullivan et al.

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