Multi-color tunable semiconductor device

Details Multi-color tunable semiconductor device Multi-color tunable semiconductor device

1982-01-07

1985-01-08

Sikes, William L.

Coherent light generators

Particular component circuitry

Optical pumping

350166, 350164, 350316, 372 26, 372 43, G02F 103

Patent

active

044924348

ABSTRACT:
A semiconductor multi-color filter spectrum analyzer is created by multiple pitaxial layers of varying composition. A DC sweep voltage is used to successively deplete the epitaxial layers. An AC voltage is used to modulate the absorption edge of the individual layers.
A modification of this device concept is a variable bandwidth detector in which the spectral bandwidth is a function of the applied DC voltage.

REFERENCES:
patent: 3307897 (1967-03-01), Lohmann
patent: 3943552 (1976-03-01), Shannon et al.
patent: 4350413 (1982-09-01), Bottka et al.
patent: 4403397 (1983-09-01), Bottka et al.

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