Optical processing device for light radiations

Details Optical processing device for light radiations Optical processing device for light radiations

1995-03-09

1996-09-24

Allen, Stephone

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250214LA, 385 2, 385 8, 359237, G02B 610, H01J 4014

Patent

active

055593232

ABSTRACT:
An optical processing device for light radiation provides non-linear transfer functions in an optical guide. A coupled quantum well modulator is reverse biased by an adjustable dc voltage source through an impedance and light radiation to be processed is sent in parallel with the layers composing the modulator guiding zone. The coupled quantum well modulator has a multiplicity of layers including some which form a guide zone comprised of a sequence of alternating quantum wells and barrier layers. The light radiation to be processed passes parallel to the layers through this guiding zone.

REFERENCES:
patent: 4514624 (1985-04-01), Edwards et al.
patent: 4957337 (1990-09-01), Ogawa et al.
patent: 5113283 (1992-05-01), Sugawara
patent: 5149957 (1992-09-01), Pierce et al.
patent: 5339370 (1994-08-01), Sano et al.
patent: 5402259 (1995-03-01), Lembo et al.
patent: 5451767 (1995-09-01), Amano et al.

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