Arbitrary control of entanglement between two nitrogen-vacancy-center ensembles coupling to a superconducting-circuit qubit

Wan-Jun Su, Zhen-Biao Yang, and Zhi-Rong Zhong
Phys. Rev. A 97, 012329 – Published 24 January 2018

Abstract

We propose an effective scheme for realizing a Jaynes-Cummings model with the collective nitrogen-vacancy-center ensemble (NVE) bosonic modes in a hybrid system. Specifically, the controllable transmon qubit can alternatively interact with one of the two NVEs, which results in the production of N-particle entangled states. Arbitrary N-particle entangled states, NOON states, N-dimensional entangled states, and entangled coherent states are demonstrated. Realistic imperfections and decoherence effects are analyzed via numerical simulation. Since no cavity photons or excited levels of the NV center are populated during the whole process, our scheme is insensitive to cavity decay and the spin dephasing effect of the NVE. The idea provides a scalable way to realize NVE-circuit cavity quantum information processing with current technology.

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  • Received 18 September 2017

DOI:https://doi.org/10.1103/PhysRevA.97.012329

©2018 American Physical Society

Physics Subject Headings (PhySH)

  1. Research Areas
Quantum Information, Science & TechnologyAtomic, Molecular & Optical

Authors & Affiliations

Wan-Jun Su1,2,*, Zhen-Biao Yang1, and Zhi-Rong Zhong1

  • 1Department of Physics, Fuzhou University, Fuzhou 350002, People's Republic of China
  • 2Institute for Quantum Science and Technology, University of Calgary, Alberta, Canada T2N 1N4

  • *wanjunsu@fzu.edu.cn

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Issue

Vol. 97, Iss. 1 — January 2018

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