Generation of total angular momentum eigenstates in remote qubits

Maser, A.; Schilling, U.; Bastin, T.; Solano, E.; Thiel, C.; von Zanthier, J.

doi:10.1103/PhysRevA.79.033833

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Generation of total angular momentum eigenstates in remote qubits

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Maser, A.
Sandoghdar Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Schilling, U.
Max Planck Fellow Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Thiel, C.
International Max Planck Research School, Max Planck Institute for the Science of Light, Max Planck Society;
Max Planck Fellow Group, Max Planck Institute for the Science of Light, Max Planck Society;

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von Zanthier, J.
Max Planck Fellow Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Maser, A., Schilling, U., Bastin, T., Solano, E., Thiel, C., & von Zanthier, J. (2009). Generation of total angular momentum eigenstates in remote qubits. PHYSICAL REVIEW A, 79(3): 033833. doi:10.1103/PhysRevA.79.033833.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-6C0B-F

Abstract

We propose a scheme enabling the universal coupling of angular momentum of N remote noninteracting qubits using linear optical tools only. Our system consists of N single-photon emitters in a Lambda configuration that are entangled among their long-lived ground-state qubits through suitably designed measurements of the emitted photons. In this manner, we present an experimentally feasible algorithm that is able to generate any of the 2(N) symmetric and nonsymmetric total angular momentum eigenstates spanning the Hilbert space of the N-qubit compound.