Bulletin of the American Physical Society
APS March Meeting 2022
Volume 67, Number 3
Monday–Friday, March 14–18, 2022; Chicago
Session A34: Hybrid/Macroscopic Quantum Systems, Optomechanics, and AMO Systems I
8:00 AM–11:00 AM,
Monday, March 14, 2022
Room: McCormick Place W-193A
Sponsoring
Units:
DAMOP DQI
Chair: Tejas Deshpande, Northwestern University
Abstract: A34.00010 : Generating continuous-variable cluster states using optomechanics.*
10:12 AM–10:24 AM
Presenter:
ANUVETHA GOVINDARAJAN
(University of California, Merced)
Authors:
ANUVETHA GOVINDARAJAN
(University of California, Merced)
Mitch Mazzei
(University of California Merced)
Hailin Wang
(University of Oregon)
Lin Tian
(University of California, Merced)
Cluster states are a group of entangled states known for their special properties such as maximum connectivity and high resiliency against noise. They can be a useful resource for measurement-based quantum computing. Here we develop a unique approach to generate a dual-rail continuous-variable cluster state in a hybrid optomechanical system, consisting of cavity modes, mechanical modes, and qubits. Our scheme is based upon local interactions with neighboring modes and can be scalable to a large number of cavity and mechanical modes. We characterize the multipartite entanglement in these states and show that they are robust against cavity and mechanical losses. We also show that the entanglement within the cluster state can be transferred to two distant qubits by manipulating the cluster states via measurement. This system thus can be utilized as a means for long-distance spin entanglement.
*This work is supported by the NSF.
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