supported by the National Natural Science Foundation of China (Grant Nos 60806042,10774001,60736033,60890193 and 60628402);National Basic Research Program of China (Grant Nos 2006CB604908 and 2006CB921607);the Research Fund for the Doctoral Program of Higher Education in China (Grant Nos 200800011021 and 20060001018);Beijing Natural Science Foundation (Grant No 4062017)
The influence of applied electric fields on the absorption coefficient and subband distances in asymmetrical A1N/GaN coupled double quantum wells (CDQWs) has been investigated by solving SchrSdinger and Poisson equa...