2 papers
cond-mat.mes-hall2008
Voltage-Controlled Negative Index in Vertically Coupled Quantum Dot Systems
Huan Wang, Ka-Di Zhu
We demonstrate that voltage-controlled negative index can be obtained in self-organized InAs quantum dot systems. As the bias voltage changes, the refractive index can be adjusted…
cond-mat.mes-hall2008
Slow Light in Artificial Hybrid Molecules
Zhien Lu, Ka-di Zhu
The optical properties of hybrid molecules composed of semiconductor and metal nanoparticles with a weak probe in a strong pump field are investigated theoretically. Excitons in su…