Generation of Symmetric Dicke States of Remote Qubits with Linear Optics

Abstract

We propose a method for generating all symmetric Dicke states, either in the long-lived internal levels of N massive particles or in the polarization degrees of freedom of photonic qubits, using linear optical tools only. By means of a suitable multiphoton detection technique, erasing Welcher-Weg information, our proposed scheme allows the generation and measurement of an important class of entangled multiqubit states.

New version, a few modifications and a new figure, accepted in Physical Review Letters

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• Superbunching and Nonclassicality as new Hallmarks of Superradiance
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• Practical methods for witnessing genuine multi-qubit entanglement in the vicinity of symmetric states
• Classification of Entanglement in Symmetric States
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• Exact results on decoherence and entanglement in a system of N driven atoms and a dissipative cavity mode
• Operational multipartite entanglement classes for symmetric photonic qubit states
• Entanglement of distant atoms by projective measurement: The role of detection efficiency
• Visibility of Young's interference fringes: Scattered light from small ion crystals
• Extreme spin squeezing in the steady state of a generalized Dicke model
• Simple implementation of a quantum search with trapped ions
• Spin Squeezing, Negative Correlations, and Concurrence in the Quantum Kicked Top Model
• Generation of Total Angular Momentum Eigenstates in Remote Qubits
• Multipath interference from large trapped ion chains
• Entanglement of two distant Bose-Einstein condensates by detection of Bragg-scattered photons
• Stochastic local operations and classical communication properties of the n-qubit symmetric Dicke states
• Limits to multipartite entanglement generation with bosons and fermions
• Creating path entanglement and violating Bell inequalities by independent photon sources
• Ordered Measurements of Permutationally-Symmetric Qubit Strings
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• Fluorescence intensity correlation imaging with high resolution and elemental contrast using intense x-ray pulses
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• Deterministic preparation of Dicke states of donor nuclear spins in silicon by cooperative pumping
• Symmetric quantum states: a review of recent progress
• Multipartite Entanglement Generation Assisted by Inhomogeneous Coupling
• Heralding Higher-Dimensional Bell and Greenberger-Horne-Zeilinger States Using Multiport Splitters
• All possible permutational symmetries of a quantum system
• Generation of Spin Cat States in an Engineered Dicke Model
• Witnessing entanglement by proxy
• Heralded Entanglement of Arbitrary Degree in Remote Qubits
• Influence of atomic collisions on spectrum of light scattered from an f-deformed Bose-Einstein condensate
• Deformations of the symmetric subspace of qubit chains
• Simulating the coupling of angular momenta in distant matter qubits
• Experimental measurement and a physical interpretation of quantum shadow enumerators
• A scheme for amplification and discrimination of photons