Superlattice optical monitor

Details Superlattice optical monitor Superlattice optical monitor

1991-11-01

1993-03-16

Arnold, Bruce Y.

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359248, 257 12, 257431, G02F 103, H01L 29161, H01L 2714

Patent

active

051949830

ABSTRACT:
An electro-optical component defined by a substrate which is coated in the growth axis direction with a periodic stack of semiconductor layers suitable for defining a superlattice whose quantum wells are fairly strongly coupled together. By applying a control electric field to the superlattice parallel to its growth axis, the optical absorption threshold is varied, and the direction of variation is towards higher energies.

REFERENCES:
patent: 3501638 (1967-10-01), Compton et al.
patent: 3626257 (1971-12-01), Esaki
patent: 4208667 (1980-06-01), Chang et al.
patent: 4575462 (1986-03-01), Dobson et al.
patent: 4665412 (1987-05-01), Ohkawa et al.
patent: 4745452 (1988-05-01), Sollner
patent: 4920068 (1990-04-01), Valentine, Jr. et al.
R. Orbach; "Dynamics of Fractal Networks", Science, vol. 231 (Feb. 21, 1986) p. 814.
"Semiconductor Quantum-Well Heterostructures" by L. L. Chang Layered Structures and Epitaxy-Materials Research Society Symposia Proceedings vol. 56 (1986) pp. 267-278.

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