Suppressing decoherence and improving entanglement by quantum-jump-based feedback control in two-level systems
arXiv:1009.2159 · doi:10.1103/PhysRevA.82.012336
Abstract
We study the quantum-jump-based feedback control on the entanglement shared between two qubits with one of them subject to decoherence, while the other qubit is under the control. This situation is very relevant to a quantum system consisting of nuclear and electron spins in solid states. The possibility to prolong the coherence time of the dissipative qubit is also explored. Numerical simulations show that the quantum-jump-based feedback control can improve the entanglement between the qubits and prolong the coherence time for the qubit subject directly to decoherence.
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Cited by in corpus (11)
- Quantum feedback: theory, experiments, and applications
- Quantum Coherent Nonlinear Feedbacks with Applications to Quantum Optics on Chip
- Non-Markovian quantum input-output networks
- Observing different quantum trajectories in cavity QED
- Random Control over Quantum Open Systems
- Purification and switching protocols for dissipatively stabilized entangled qubit states
- Steady-state entanglement production in a quantum thermal machine with continuous feedback control
- Universal freezing of asymmetry
- Enhanced exciton transmission by quantum-jump-based feedback
- Optimal measurement-based feedback control for a single qubit: a candidate protocol
- Learning quantum annealing