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- Title
Classical optical analogue of quantum discord.
- Authors
Leamer, Jacob M.; Zhang, Wenlei; Savino, Nicholas J.; Saripalli, Ravi K.; Lohani, Sanjaya; Glasser, Ryan T.; Bondar, Denys I.
- Abstract
Quantum discord has been shown to be a resource for quantum advantage in addition to quantum entanglement. While many experiments have demonstrated classical analogies of entanglement, none have done so for discord. We present a proof-of-concept demonstration for creating a classical analogue of quantum discord using classical light that takes advantage of the analogy between the state of two qubits and the spatial modes of a Laguerre-Gauss beam. We demonstrate the validity of this approach by comparing the intensity profiles of theoretical simulations to experimental results for different values of discord. Such a classical analogue of quantum discord may provide further insight in understanding and development of quantum information technologies that make use of discord.
- Subjects
QUANTUM entanglement; QUANTUM correlations; QUBITS; PROOF of concept; ANALOGY
- Publication
European Physical Journal: Special Topics, 2023, Vol 232, Issue 20-22, p3345
- ISSN
1951-6355
- Publication type
Article
- DOI
10.1140/epjs/s11734-023-00988-1