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Related papers: Quantum teleportation between light and matter

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We address fundamental limitations of quantum teleportation -- the process of transferring quantum information using classical communication and preshared entanglement. We develop a new teleportation protocol based upon the idea of using…

Quantum Physics · Physics 2021-09-01 Patryk Lipka-Bartosik , Paul Skrzypczyk

Displacement of propagating quantum states of light is a fundamental operation for quantum communication. It enables fundamental studies on macroscopic quantum coherence and plays an important role in quantum teleportation protocols with…

This article considers the question of the teleportation protocol from an engineering perspective. The protocol ideally requires an authority that ensures that the two communicating parties have a perfectly entangled pair of particles…

Information Theory · Computer Science 2007-07-13 Balaji Nedurumalli

A scheme is proposed for simultaneous intraportation of many unknown quantum states within a quantum computing network. It is shown that our scheme, much different from the teleportation in the strict sense, can be very similar to the…

Quantum Physics · Physics 2009-11-07 Mang Feng

We demonstrate a sequence of two quantum teleportations of optical coherent states, combining two high-fidelity teleporters for continuous variables. In our experiment, the individual teleportation fidelities are evaluated as F_1 = 0.70 \pm…

Quantum Physics · Physics 2009-11-13 Hidehiro Yonezawa , Akira Furusawa , Peter van Loock

Federated learning enables collaborative model training across multiple clients without sharing raw data, thereby enhancing privacy. However, the exchange of model updates can still expose sensitive information. Quantum teleportation, a…

Quantum Physics · Physics 2024-12-31 Koffka Khan

Conventional information processors freely convert information between different physical carriers to process, store, or transmit information. It seems plausible that quantum information will also be held by different physical carriers in…

Quantum Physics · Physics 2020-05-21 Yiheng Lin , David R. Leibrandt , Dietrich Leibfried , Chin-wen Chou

Quantum teleportation is the name of a problem: how can the real-valued parameters encoding the state at Alice's location make their way to Bob's location via shared entanglement and only two bits of classical communication? Without an…

Quantum Physics · Physics 2023-05-01 Charles Alexandre Bédard

We discuss the criteria for teleporting coherent states from simple considerations about information exchange during the teleportation process.

Quantum Physics · Physics 2016-09-08 Philippe Grangier , Frédéric Grosshans

Teleportation of quantum gates is a critical step for implementation of quantum networking and teleportation-based models of quantum computation. We report an experimental demonstration of teleportation of the prototypical quantum…

Quantum Physics · Physics 2009-11-10 Yun-Feng Huang , Xi-Feng Ren , Yong-Sheng Zhang , Lu-Ming Duan , Guang-Can Guo

Optical communication channels have redefined the purview and applications of classical computing; similarly, photonic transfer of quantum information promises to open new horizons for quantum computing. The implementation of light-matter…

Quantum Physics · Physics 2017-08-02 T. E. Northup , R. Blatt

Quantum teleportation is a method for utilizing quantum measurements and the maximally entangled Einstein-Podolsky-Rosen (EPR) pair to transmit an unknown quantum state. It is well known that all entangled states demonstrate so-called…

Quantum Physics · Physics 2021-12-01 Chia-Kuo Chen , Shih-Hsuan Chen , Ni-Ni Huang , Che-Ming Li

The influence of losses in the transmission of continuous-variable entangled light through linear devices such as optical fibers is studied, with special emphasis on Gaussian states. Upper bounds on entanglement and the distance to the set…

Quantum Physics · Physics 2007-05-23 Dirk-Gunnar Welsch , Stefan Scheel , Aleksej V. Chizhov

The application of Quantum Teleportation for control of classical dynamic systems and autonomy is proposed in this paper. Quantum teleportation is an intrinsically quantum phenomenon, and was first introduced by teleporting an unknown…

Quantum Physics · Physics 2020-12-22 Farbod Khoshnoud , Lucas Lamata , Clarence W. de Silva , Marco B. Quadrelli

In this work we provide a genuine relativistic quantum teleportation protocol whose classical communication component makes use of relativistic causal propagation of a quantum field. Consequently, the quantum teleportation is fully…

Quantum Physics · Physics 2022-10-03 Erickson Tjoa

We report the experimental realization of teleporting an entangled qubit. The qubit is physically implemented by a two-dimensional subspace of states of a mode of the electromagnetic field, specifically, the space spanned by the vacuum and…

Quantum Physics · Physics 2007-05-23 Egilberto Lombardi , Fabio Sciarrino , Sandu Popescu , Francesco De Martini

The possibility of teleportation is by sure the most interesting consequence of quantum non-separability. So far, however, teleportation schemes have been formulated by use of state vectors and considering individual entities only. In the…

Quantum Physics · Physics 2007-05-23 Thomas Krüger

Mode entanglement exists naturally between regions of space in ultra-cold atomic gases. It has, however, been debated whether this type of entanglement is useful for quantum protocols. This is due to a particle number superselection rule…

Quantum Physics · Physics 2015-05-20 Libby Heaney

In quantum networks an important goal is to reduce resource requirements for the transport and communication of quantum information. Quantum network coding presents a way of doing this by distributing entangled states over a network that…

Quantum Physics · Physics 2024-08-12 Hjalmar Rall , Mark Tame

A qubit is an exhibition of quantum entanglement and a key element in the quantum teleportation process. In this paper, we review the role of qubits in quantum entanglement and quantum teleportation.

Quantum Physics · Physics 2025-12-19 Laure Gouba
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