Control over hysteresis curves and thresholds of optical bistability in different semiconductor double quantum wells
H R Hamedia), M R Mehmannavazb), Hadi Afsharic)
       
(a) Cross section of GaAs/AlGaAsSDQW structure. (b) Schematic band diagram of a single period of the GaAs modulation-doped quantum well structure separated by an Al0.33 Ga0.67 As barrier. (c) Schematic setup of unidirectional ring cavity containing a SDQW sample of length L , and are the incident and the transmitted probe fields, respectively.