Lowhyphen;power, allhyphen;optical nonlinear absorption in asymmetric double quantum wells

摘要

We demonstrate allhyphen;optical nonlinearities at low cw pump powers (50 W/cm2) using a novel heterostructure design which spatially separates photoexcited electronhyphen;hole pairs. Theoretical calculations based on manyhyphen;body interactions are in good agreement with the measured spectra.