Results 21 to 30 of about 2,245 (174)
Quantum Two-Way Protocol Beyond Superdense Coding: Joint Transfer of Data and Entanglement
IEEE Transactions on Quantum EngineeringIn this article, we introduce a generalization of one-way superdense coding to two-way communication protocols for transmitting classical bits by using entangled quantum pairs.
Kristian S. Jensen +4 more
doaj +2 more sources
Role of complementarity in superdense coding [PDF]
Physical Review A, 2013 The complementarity of two observables is often captured in uncertainty relations, which quantify an inevitable tradeoff in knowledge. Here we study complementarity in the context of an information processing task: we link the complementarity of two ...
Coles, Patrick J.
core +2 more sources
Probabilistic superdense coding [PDF]
Physical Review A, 2005 We explore the possibility of performing super dense coding with non-maximally entangled states as a resource. Using this we find that one can send two classical bits in a probabilistic manner by sending a qubit. We generalize our scheme to higher dimensions and show that one can communicate 2log_2 d classical bits by sending a d-dimensional quantum ...
Arun Kumar Pati +2 more
openalex +4 more sources
Absolutely Secure Distributed Superdense Coding: Entanglement Requirement for Optimality [PDF]
Physica Scripta, 2021 Abstract Superdense coding uses entanglement as a resource to communicate classical information efficiently through quantum channels. A superdense coding method is optimal when its capacity reaches Holevo bound. We show that for optimality, maximal entanglement is a necessity across the bipartition of Alice and Bob, but neither absolute ...
Sagnik Dutta +2 more
openalex +3 more sources
Superdense Coding with Uniformly Accelerated Particle [PDF]
International Journal of Theoretical Physics, 2016 We study superdense coding with uniformly accelerated particle in single mode approximation and beyond single mode approximation. We use four different functions, the capacity of superdense coding, negativity, discord and the probability of success for evaluating the final results. In single mode approximation, all the four functions behave as expected,
Mehrnoosh Farahmand +3 more
openalex +4 more sources
Entanglement Witness Derived from NMR Superdense Coding [PDF]
Journal of Physics A: Mathematical and General, 2004 We show that it is possible to transfer two-bit information via encoding a single qubit in a conventional nuclear magnetic resonance (NMR) experiment with two very weakly polarized nuclear spins. Nevertheless, the experiment can not be regarded as a demonstration of superdense coding by means of NMR because it is based on the large number of molecules ...
Robabeh Rahimi +3 more
openalex +4 more sources
Superdense coding using multipartite states [PDF]
, 2004 We show that with the fourpartite quantum channel used to teleport an arbitrary two qubit state, we can construct a superdense coding protocol where it is possible to transmit 4 bits of classical information sending only 2 qubits. Alice and Bob initially share a four qubit maximally entangled state and by locally manipulating her two qubits Alice can ...
Gustavo Rigolin
openalex +3 more sources
Topological Quantum Teleportation and Superdense Coding -- Without Braiding [PDF]
, 2023 33 pages, 2 animations; content reorganised, and instead give an alternative derivation of braided protocols for Ising anyons (as corollary to braid-free versions)
Sachin J. Valera
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ACM Transactions on Quantum Computing, 2020 The famous superdense coding protocol of Bennett and Wiesner demonstrates that it is possible to communicate two bits of classical information by sending only one qubit and using a shared EPR pair. Our first result is that an arbitrary protocol for achieving this task (where there are no assumptions on the sender’s encoding operations or ...
Ashwin Nayak, Henry Yuen
openalex +3 more sources
Beating the channel capacity limit for superdense coding with entangled ququarts. [PDF]
Sci Adv, 2018 Hu XM +5 more
europepmc +3 more sources