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Deterministically Entangling Two Remote Atomic Ensembles via Light-Atom Mixed Entanglement Swapping
A scheme of deterministically entangling two remote atomic ensembles via continuous-variable entanglement swapping between two independent quantum systems involving light and atoms is proposed.
Establishing and storing of deterministic quantum entanglement among three distant atomic ensembles
The authors show how to map entanglement from three spatial optical modes to three separated atomic samples via electromagnetically induced transparency, releasing it later on demand.
Quantum dense coding exploiting a bright Einstein-Podolsky-Rosen beam.
- Xiaoying Li, Q. Pan, J. Jing, Jing Zhang, C. Xie, K. Peng
- PhysicsPhysical Review Letters
- 11 January 2002
A high degree of immunity to unauthorized eavesdropping has been experimentally demonstrated by means of exploiting a bright Einstein-Podolsky-Rosen (EPR) beam with anticorrelation of amplitude quadratures and correlation of phase quadrature.
Gate sequence for continuous variable one-way quantum computation
The experiment demonstrates the feasibility of implementing Gaussian quantum computation by means of accessible gate sequences and presents the first continuous variable gate sequence consisting of a single-mode squeezing gate and a two-mode controlled-phase gate based on a six-mode cluster state.
Experimental generation of bright two-mode quadrature squeezed light from a narrow-band nondegenerate optical parametric amplifier
The bright Einsten-Podolsky-Rosen ~EPR! beams with the quantum correlations between the quadraturephase amplitudes of the spatially separated signal and idler beams have been experimentally generated…
Experimental demonstration of unconditional entanglement swapping for continuous variables.
The unconditional entanglement swapping for continuous variables is experimentally demonstrated. Two initial entangled states are produced from two nondegenerate optical parametric amplifiers…
Characteristics of absorption and dispersion for rubidium D2 lines with the modulation transfer spectrum.
Absorption and dispersion signals of D2 lines of rubidium atoms in a vapor cell have been experimentally investigated with the modulation transfer spectrum (MTS). Normal dispersion was observed at…
Quantum Entanglement Swapping between Two Multipartite Entangled States.
- Xiaolong Su, Caixing Tian, Xiaowei Deng, Qiang Li, C. Xie, K. Peng
- PhysicsPhysical review letters
- 6 December 2016
An experimental demonstration of the entanglement swapping between two independent multipartite entangled states, each of which involves a tripartite Greenberger-Horne-Zeilinger (GHZ) entangled state of an optical field, provides a feasible technical reference for constructing more complicated quantum networks.
Experimental preparation of eight-partite cluster state for photonic qumodes.
This Letter presents what it believes is the first experimental demonstration of an eight-partite spatially separated continuous variable (CV) cluster state of optical modes prepared via the linearly optical transformation of eight squeezed states of light.
Long lifetime and high-fidelity quantum memory of photonic polarization qubit by lifting zeeman degeneracy.
This work presents a millisecond storage system based on electromagnetically induced transparency, in which a moderate magnetic field is applied on a cold-atom cloud to lift Zeeman degeneracy and, thus, the PPQ states are stored as two magnetic-field-insensitive spin waves.