Single electron pumping in InAs nanowire double quantum dots
Research output: Contribution to journal › Article
Closely spaced local gate electrodes are used to electrically define a double quantum dot along an InAs nanowire crystal. By applying a periodic pulse sequence to two plunger gate electrodes controlling the double quantum dot charge configuration, the device is operated as a single electron pump. The authors find that within measurement accuracy, the pumping current equals one electron per cycle for frequencies up to 2 MHz, demonstrating the suitability of nanowire based quantum dots for pumping applications.
|Research areas and keywords||
Subject classification (UKÄ) – MANDATORY
|Journal||Applied Physics Letters|
|Publication status||Published - 2007|