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In our work we consider the following problem in the context of teleportation: an unknown pure state have to be teleported and there are two laboratories which can perform the task. One laboratory uses a pure non maximally entangled channel…

Quantum Physics · Physics 2017-10-25 Luis Roa , M. Loreto Ladrón de Guevara , Matias Soto-Moscoso , Pamela Catalán

Generalization methods offer a powerful solution to one of the key drawbacks of randomized controlled trials (RCTs): their limited representativeness. By enabling the transport of treatment effect estimates to target populations subject to…

Methodology · Statistics 2025-05-20 Ahmed Boughdiri , Clément Berenfeld , Julie Josse , Erwan Scornet

We analyze sharing Bell-type nonlocal correlation between two distant parties with optical hybrid states comprising a single photon polarization state and a multiphoton coherent state. By deploying entanglement swapping over the coherent…

Quantum Physics · Physics 2025-10-01 Subhankar Bera , Soumyakanti Bose , Hyunseok Jeong , Archan S Majumdar

Transmitting quantum states by channels of analogous Bell states is studied in this paper. We analyse the transmitting process, constructed the probabilitic unitary operator, and gain the largest successful transfer quantum state…

Quantum Physics · Physics 2015-06-26 Di Mei , Chong Li , Guo-Hui Yang , He-Shan Song

Two kinds of $M$-particle d-dimensional cat-like state teleportation protocols are present. In the first protocol, the teleportation is achieved by d-dimensional Bell-basis measurements, while in the second protocol it is realized by…

Quantum Physics · Physics 2007-05-23 Bei Zeng , Xiao Shu Liu , Yan Song Li , Gui Lu Long

We study the thermal entanglement and quantum teleportation using quantum dot as a resource. We first consider entanglement of the resource, and then focus on the effects of different parameters on the teleportation fidelity under different…

Quantum Physics · Physics 2011-03-09 Li-Guo Qin , Li-Jun Tian , Guo-Hong Yang

We discuss the relation between discrete and continuous linear teleportation, i.e. teleportation schemes that use only linear optical elements and photodetectors. For this the existing qubit protocols are generalized to qudits with a…

Quantum Physics · Physics 2007-05-23 Dirk Witthaut , Michael Fleischhauer

We present a novel kernel over the space of probability measures based on the dual formulation of optimal regularized transport. We propose an Hilbertian embedding of the space of probabilities using their Sinkhorn potentials, which are…

Machine Learning · Statistics 2022-10-14 François Bachoc , Louis Béthune , Alberto Gonzalez-Sanz , Jean-Michel Loubes

We study teleportation with identical massive particles. Indistinguishability imposes that the relevant degrees of freedom to be teleported are not particles, but rather addressable orthogonal modes. We discuss the performances of…

Quantum Physics · Physics 2015-03-24 Ugo Marzolino , Andreas Buchleitner

Continuous-variable (CV) quantum teleportation is usually benchmarked by average fidelity, but when the teleportation is repeatedly used within optical networks or measurement-based architectures, uniformity across the input ensemble…

Quantum Physics · Physics 2026-04-23 Kyoungho Cho , Bongjune Kim , Jeongho Bang

Quantum teleportation is a fundamental ingredient for quantum information science and technology. In particular, the ability to perform quantum teleportation between quantum systems of different natures and encoding types is crucial for…

Quantum Physics · Physics 2024-06-28 Di Wang , Lei Xie , Jinfeng Liu , Yiling Song , Wei Xiong , Mingfeng Wang

A quantum teleportation scheme based on the EPR-pair entangled with respect to the ``energy+time'' variables is proposed. Teleportation of the multimode state of a single-photon wave packet is considered.

Quantum Physics · Physics 2009-10-31 S. N. Molotkov

We examine various manipulations of photon number states which can be implemented by teleportation technique with number sum measurement. The preparations of the Einstein-Podolsky-Rosen resources as well as the number sum measurement…

Quantum Physics · Physics 2009-11-10 Akira Kitagawa , Katsuji Yamamoto

Teleportation is a cornerstone of quantum technologies, and has played a key role in the development of quantum information theory. Pushing the limits of teleportation is therefore of particular importance. Here, we apply a different aspect…

Quantum Physics · Physics 2025-05-16 Hatim Salih , Jonte R. Hance , Will McCutcheon , Terry Rudolph , John Rarity

Traditional continuous variable teleportation can only approach unit fidelity in the limit of an infinite (and unphysical) amount of squeezing. We describe a new method for continuous variable teleportation that approaches unit fidelity…

Quantum Physics · Physics 2015-06-12 U. L. Andersen , T. C. Ralph

Quantum teleportation is rigorously discussed with coherent entang led states given by beam splittings. The mathematical scheme of beam splitti ng has been used to study quantum communication and quantum stochastic. We d iscuss the…

Quantum Physics · Physics 2009-10-31 Karl-Heinz Fichtner , Masanori Ohya

Starting from a state of low quantum entanglement, local unitary time evolution increases the entanglement of a quantum many-body system. In contrast, local projective measurements disentangle degrees of freedom and decrease entanglement.…

Statistical Mechanics · Physics 2019-07-24 Amos Chan , Rahul M. Nandkishore , Michael Pretko , Graeme Smith

We propose a method of the Bell bases decomposition to teleport an arbitrary unknown N-qubit state through a nonmaximally entangled quantum channel, and give the universal decomposition matrix of N-qubit. Using the decomposition matrix, we…

Quantum Physics · Physics 2007-05-23 Xiu-Lao Tian , Xiao-Qiang Xi

The role of the off-diagonal density matrix elements of the entangled pair is investigated in quantum teleportation of a qbit. The dependence between them and the off-diagonal elements of the teleported density matrix is shown to be linear.…

Quantum Physics · Physics 2009-11-06 M. Koniorczyk , T. Kiss , J. Janszky

Quantum teleportation allows for the transfer of arbitrary, in principle, unknown quantum states from a sender to a spatially distant receiver, who share an entangled state and can communicate classically. It is the essence of many…

Quantum Physics · Physics 2014-02-21 Shuntaro Takeda , Takahiro Mizuta , Maria Fuwa , Peter van Loock , Akira Furusawa