Supported by the National Natural Science Foundation of China under Grant Nos 10374018, 10321003 and 90401015, the Scientific Committee of Shanghai under Grant No 03DJ14001, and the Special Funds for Major Basis State Research Project of China under Grant No 2004CB619004.
We perform the micro-photoluminescence measurement at low temperatures and a scanning optical mapping with high spatial resolution of a single V-grooved GaAs quantum wire modified by the selective ion-implantation and...