Voltage-Controlled Negative Index in Vertically Coupled Quantum Dot Systems

Details Voltage-Controlled Negative Index in Vertically Coupled Quantum Dot Systems Voltage-Controlled Negative Index in Vertically Coupled Quantum Dot Systems

2008-11-06

arxiv.org/abs/0811.0849v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

9 pages, 3 figures

Scientific paper

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 and controlled continuously from -7 to 7. Simultaneously, the absorption of light in the system will be very small. The single-negative index materials and the double-negative index materials can be achieved in different bias voltages.

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