Semiconductor device and method for its operation

Details Semiconductor device and method for its operation Semiconductor device and method for its operation

1996-04-25

1999-10-05

Epps, Georgia

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359237, 359243, 359244, G02F 103, G02F 1015

Patent

active

059633581

ABSTRACT:
An optical modulator according to the present invention comprises an optical guide region including a quantum well layer, a waveguide structure defining an optical path of the guide region, a gate situated below the guide region for changing the carrier density in the quantum well layer, an electrical contact for said gate and at least one other electrical contact.

REFERENCES:
patent: Re32893 (1989-03-01), Miller
patent: 4525687 (1985-06-01), Chemla et al.
patent: 4597638 (1986-07-01), Chemla et al.
patent: 4626075 (1986-12-01), Chemla
patent: 4716449 (1987-12-01), Miller
patent: 4872744 (1989-10-01), Abeles et al.
patent: 5414726 (1995-05-01), Raj et al.

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