Long-distance dissipation-assisted transport of entangled states via a chiral waveguide

Abstract

Quantum networks provide a prominent platform for realizing quantum information processing and quantum communication, with entanglement being a key resource in such applications. Here, we describe the dissipative transport protocol for entangled states, where entanglement stored in the first node of quantum network can be transported with high fidelity to the second node via a 1D chiral waveguide. In particular, we exploit the directional asymmetry in chirally-coupled single-mode ring resonators to transport entangled states. For the fully chiral waveguide, Bell states, multipartite $W$-states and and Dicke states can be transported with fidelity as high as $0.954$, despite the fact that the communication channel is noisy. Our proposal can be utilized for long-distance distribution of multipartite entangled states between the quantum nodes of the open quantum network.

arXiv comment8 pages, 4 figures

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Cited by in corpus (11)

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• Microtoroidal resonators enhance long-distance dynamical entanglement generation in chiral quantum networks
• Dicke superradiance requires interactions beyond nearest-neighbors
• Dressed bound states at chiral exceptional points
• Anomalous spontaneous emission dynamics at chiral exceptional points
• Analytical approach to higher-order correlation functions in U(1) symmetric systems
• Topologically protected subradiant cavity polaritons through linewidth narrowing enabled by dissipationless edge states
• Entanglement transfer via Chiral Quantum Walk on a Triangular Chain
• Chirality-assisted enhancement of tripartite entanglement in waveguide QED
• Dressed bound states and non-Markovian dynamics with a whispering-gallery-mode microcavity coupled to a two-level atom and a semi-infinite photonic waveguide
• Exponentially faster preparation of quantum dimers via driven-dissipative stabilization