Preparation of entanglement between atoms in spatially separated cavities via fiber loss
arXiv:1411.5145 · doi:10.1140/epjd/e2015-50901-6
Abstract
We propose a scheme to prepare a maximally entangled state for two Lambda-type atoms trapped in separate optical cavities coupled through an optical fiber based on the combined effect of the unitary dynamics and the dissipative process. Our work shows that the fiber loss, as well as the atomic spontaneous emission and the cavity decay, is no longer undesirable, but requisite to prepare the distributed entanglement, which is meaningful for the long distance quantum information processing tasks. Originating from an arbitrary state, the desired state could be prepared without precise time control. The robustness of the scheme is numerically demonstrated by considering various parameters.
16 pages, 6 figures
References in corpus (17)
- Quantum States and Phases in Driven Open Quantum Systems with Cold Atoms
- Distributed quantum computation via optical fibres
- Dissipative preparation of entanglement in optical cavities
- Multiatom and resonant interaction scheme for quantum state transfer and logical gates between two remote cavities via an optical fiber
- Dissipative Preparation of Spin Squeezed Atomic Ensembles in a Steady State
- Stabilising entanglement by quantum jump-based feedback
- Entangling oscillators through environment noise
- Stationary three-dimensional entanglement via dissipative Rydberg pumping
- Robust Quantum Error Correction via Convex Optimization
- A scheme for unconventional geometric quantum computation in cavity QED
- Environment-induced two-mode entanglement in quantum Brownian motion
- Dissipative creation of three-dimensional entangled state in optical cavity via spontaneous emission
- Dissipative preparation of large W states in Optical Cavities
- Preparation of three-dimensional entanglement for distant atoms in coupled cavities via atomic spontaneous emission and cavity decay
- Stationary entanglement achievable by environment induced chain links
- Controllable entanglement preparations between atoms in spatially-separated cavities via quantum Zeno dynamics
- Generating maximal entanglement between non-interacting atoms by collective decay and symmetry breaking