Variable gain optical detector

Details Variable gain optical detector Variable gain optical detector

1994-08-19

1995-09-26

Mintel, William

Active solid-state devices (e.g., transistors, solid-state diode

Heterojunction device

Light responsive structure

257192, 257217, 257443, 257462, H01L 2714, H01L 3100

Patent

active

054536308

ABSTRACT:
An optical detector comprised of a MESFET having a larger than usual separation between its source and drain electrodes and a channel between the source and drain electrodes doped with carriers having a density of at least 10.sup.18 /cm.sup.3 whereby variation in the voltage of the gate electrode changes the optical gain.

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Herczfeld, P. R.: Higgins, T.; Madjar, A.; and Paolella, A.; "Optical Resse of the GaAs MESFET at Microwave Frequencies and Applications", IEEE Journal, Jun. 1991.
Herczfeld, P. R.; Madjar, A.; and Paolella, A.; and Sturzebecher, D.; "Optically Controlled GaAs MMIC Switch Using a MESFET as an Optical Detector", IEEE Journal, Jun. 1990.

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