All Optical Implementation of Multi-Spin Entanglement in a Semiconductor Quantum Well

Abstract

We use ultrafast optical pulses and coherent techniques to create spin entangled states of non-interacting electrons bound to donors (at least three) and at least two Mn2+ ions in a CdTe quantum well. Our method, relying on the exchange interaction between localized excitons and paramagnetic impurities, can in principle be applied to entangle a large number of spins.

17 pages, 3 figures

References in corpus (3)

• Experimental realization of Shor's quantum factoring algorithm using nuclear magnetic resonance
• Towards the fabrication of phosphorus qubits for a silicon quantum computer
• Optical RKKY Interaction between Charged Semiconductor Quantum Dots

Cited by in corpus (13)

• Theory of Quantum Optical Control of Single Spin in a Quantum Dot
• Maximally entangled mixed states: Creation and concentration
• Single exciton spectroscopy of semimagnetic quantum dots
• Quantum control of electron--phonon scatterings in artificial atoms
• Ultrafast coupled charge and spin dynamics in strongly correlated NiO
• Coherently photo-induced ferromagnetism in diluted magnetic semiconductors
• Theory of spin precession monitored by laser pulse
• Coherent optical control of spin-spin interaction in doped semiconductors
• Control of spin dynamics with laser pulses: Generation of entangled states of donor-bound electrons in a Cd1-xMnxTe quantum well
• Single-photon exchange interaction in a semiconductor microcavity
• Entanglement and errors in the control of spins by optical coupling
• Switching the sign of photon induced exchange interactions in semiconductor microcavities with finite quality factors
• Inducing electron spin coherence in GaAs quantum well waveguides: Spin coherence without spin precession