ELECTROMAGNETIC WAVE MODULATOR EQUIPPED WITH COUPLED QUANTAL WELLS, AND APPLICATION TO AN ELECTROMAGNETIC WAVE DETECTOR
Assignee
THOMSON-CSF
Filed
May 11, 1989
Granted
May 10, 1994
Location
PARIS FR
Abstract
A semi-conducting structure delimits two quantal wells (CP1, CP2) connected across a barrier layer (CB). The application of an electric field to the structure makes possible the transfer of electrons from one of the wells to the other. The electron-hole pairs are created by a wave-pump, or by the doping of one of the wells. This makes possible, in particular, a dual control by means of the wave-pump and the electric field, thus creating an "AND"-function modulator.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Mar 22, 1990
Rescinded
Dec 31, 1990
Duration
9 months
Inventor
- 1NAKITA VODJDANI
Record Details
- Patent number
- US 5311221
- Application
- 00736468
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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