Holonomic quantum gates: A semiconductor-based implementation

Details Holonomic quantum gates: A semiconductor-based implementation Holonomic quantum gates: A semiconductor-based implementation

2003-01-17

arxiv.org/abs/quant-ph/0301090v1

Physics

Quantum Physics

10 Pages LaTeX, 10 Figures included

Scientific paper

10.1103/PhysRevA.67.062315

We propose an implementation of holonomic (geometrical) quantum gates by means of semiconductor nanostructures. Our quantum hardware consists of semiconductor macroatoms driven by sequences of ultrafast laser pulses ({\it all optical control}). Our logical bits are Coulomb-correlated electron-hole pairs (excitons) in a four-level scheme selectively addressed by laser pulses with different polarization. A universal set of single and two-qubit gates is generated by adiabatic change of the Rabi frequencies of the lasers and by exploiting the dipole coupling between excitons.

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