. . . . . . . . "Space-charge-induced interband optical nonlinearities in asymmetric coupled quantum wells"@en . . "BF00306225" . . . . "Abstract. Space-charge-induced optical nonlinearities for asymmetric coupled quantum wells have been studied. Calculations for optimized AlGaAs structures show that a blue-shift of the band gap of 9 meV at a carrier density of 1012 cm-2 can be obtained. Experimental comparisons with a rectangular well show a large increase in room-temperature nonlinearities."@en . . "1994" . . .