Cavity-QED Using Quantum Dots

Semiconductor quantum dots, also referred to as artificial atoms, provide a new paradigm for studying quantum optical phenomena. The effects of cavity-quantum electrodynamics (QED) can be investigated by use of a single quantum dot embedded in a photonic nanostructure. Since quantum dot location inside the cavity is fixed by growth, this system is free of the stringent trapping requirements that limit its atomic counterpart. Fabricating photonic nanostructures with ultrasmall cavity-mode volumes enhances the prospects for applications in quantum information processing.

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