Experimental demonstration of elastic analogues of nonseparable qutrits

The creation of multilevel quantum states, qudits, has revolutionized concepts for quantum computing. Classical systems that capture behavior analogous to quantum systems have been demonstrated. In this spirit, we consider a three-level classical analogue of the qudit composed of coupled acoustic wa...

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Bibliographic Details
Published in:Applied physics letters 2020-04, Vol.116 (16)
Main Authors: Hasan, M. Arif, Calderin, Lazaro, Lata, Trevor, Lucas, Pierre, Runge, Keith, Deymier, Pierre A.
Format: Article
Language:English
Subjects:
Acoustic coupling
Acoustic waveguides
Analogs
Applied physics
Quantum computing
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Summary:The creation of multilevel quantum states, qudits, has revolutionized concepts for quantum computing. Classical systems that capture behavior analogous to quantum systems have been demonstrated. In this spirit, we consider a three-level classical analogue of the qudit composed of coupled acoustic waveguides. Here, we demonstrate both the experimental realization of a three-level classical analogue of the qudit and the creation and tuning of nonseparable superpositions of two of these analogues, which are classically “entangled.” Measurements of velocities and transmission inform our assignment of these nonseparable states.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.5145097