Electro-optic optical modulating apparatus

Details Electro-optic optical modulating apparatus Electro-optic optical modulating apparatus

1995-04-24

1998-05-26

Palmer, Phan T. H.

Optical waveguides

Temporal optical modulation within an optical waveguide

Electro-optic

385 8, 385 10, 385 1, 385 40, G02F 1035

Patent

active

057579849

ABSTRACT:
An electro-optic optical modulating apparatus comprises an optical waveguide, which has electro-optic effects, and at least a single pair of electrodes, which are located in the vicinity of the optical waveguide. A driving circuit applies a radio-frequency voltage across the electrodes. A modulating circuit modulates the amplitude of the radio-frequency voltage in accordance with a predetermined signal. The amount of a modulated optical wave is thus prevented from fluctuating due to a DC drift phenomenon.

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patent: 5455876 (1995-10-01), Hopfer et al.
patent: 5566258 (1996-10-01), Hatori et al.
Japanese Journal of Applied Physics, vol. 20, No. 4, Apr. 1981 pp. 733-737.

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