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We propose genuine ($k$, $m$)-threshold controlling schemes for controlled teleportation via multi-particle entangled states, where the teleportation of a quantum state from a sender (Alice) to a receiver (Bob) is under the control of $m$…

Quantum Physics · Physics 2011-06-07 Xin-Wen Wang , Da-Chuang Li , Guo-Jian Yang

Quantum communication is needed to build powerful quantum computers and establish reliable quantum networks. At its basis lies the ability to generate and distribute entanglement to separate quantum systems, which can be used to run remote…

Quantum Physics · Physics 2025-09-29 Baleegh Abdo , William Shanks , Oblesh Jinka , J. R. Rozen , Jason Orcutt

Achieving near-unity fidelity in conventional continuous-variable quantum teleportation schemes based on two-mode squeezed vacuum states is fundamentally unattainable. To overcome this limitation, alternative approaches utilizing ensembles…

Quantum Physics · Physics 2026-02-23 Fatemeh Taghipoor , Mojtaba Golshani , Mostafa Motamedifar , Khatereh Jafari

Quantum teleportation is a primitive in several important applications, including quantum communication, quantum computation, error correction, and quantum networks. In this work, we propose an optimal test for the performance of…

Quantum Physics · Physics 2022-04-26 Kunal Sharma , Barry C. Sanders , Mark M. Wilde

Quantum teleportation is a primitive foundational protocol for exchanging quantum information in a quantum network as well as infrastructural operational strategy in the measurement-based quantum computation. Designing an efficient scheme…

Quantum Physics · Physics 2024-10-08 Nikhita Singh , Ravi S Singh

The scheme of quantum teleportation, where Bob has multiple (N) output ports and obtains the teleported state by simply selecting one of the N ports, is thoroughly studied. We consider both deterministic version and probabilistic version of…

Quantum Physics · Physics 2009-04-06 Satoshi Ishizaka , Tohya Hiroshima

Quantum teleportation, a way to transfer the state of a quantum system from one location to another, is central to quantum communication and plays an important role in a number of quantum computation protocols. Previous experimental…

The need for high fidelity quantum teleportation arises in a variety of quantum algorithms and protocols. Unfortunately, conventional continuous variable teleportation schemes rely on EPR states that yield a fidelity that approaches unity…

Quantum Physics · Physics 2014-02-11 Kevin Marshall , Daniel F. V. James

We study quantum teleportation between two different types of optical qubits using hybrid entanglement as a quantum channel under decoherence effects. One type of qubit employs the vacuum and single photon states for the basis, called a…

Quantum Physics · Physics 2017-01-17 Hyunseok Jeong , Seunglee Bae , Seongjeon Choi

We develop a theory to teleport an unknown quantum state using entanglement between two distant parties. Our theory takes into account experimental limitations due to contribution of multi-photon pair production of parametric down…

Quantum Physics · Physics 2017-08-16 Syed Tahir Amin , Aeysha Khalique

The realization of a quantum interface between a propagating photon used for transmission of quantum information, and a stationary qubit used for storage and manipulation, has long been an outstanding goal in quantum information science. A…

Quantum Physics · Physics 2015-06-16 Wei-bo Gao , P. Fallahi , E. Togan , A. Delteil , Y. S. Chin , J. Miguel-Sanchez , A. Imamoglu

Transferring the state of an information carrier from a sender to a receiver is an essential primitive in both classical and quantum communication and information processing. In a quantum process known as teleportation the unknown state of…

Quantum teleportation is one of the crucial protocols in quantum information processing. It is important to accomplish an efficient teleportation under practical conditions, aiming at a higher fidelity desirably using fewer resources. The…

Quantum Physics · Physics 2017-05-30 Jaehak Lee , Jiyong Park , Hyunchul Nha

It was shown that using multiphoton qubits, a nearly deterministic Bell-state measurement can be performed with linear optics and on-off photodetectors [Phys. Rev. Lett. 114, 113603 (2015)]. However, multiphoton qubits are generally more…

Quantum Physics · Physics 2020-07-29 Seongjeon Choi , Seok-Hyung Lee , Hyunseok Jeong

We propose a teleportation protocol involving beam splitting operations and binary-outcome measurements, such as parity measurements. These operations have a straightforward implementation using the dispersive regime of the Jaynes-Cummings…

Quantum Physics · Physics 2025-08-25 Jingyan Feng , Mohan Zhang , Matteo Fadel , Tim Byrnes

Quantum teleportation, lying at the heart of a variety of quantum technologies, has inspired a widespread of research activities, most of which focused on 2-dimensional qubit states. Multilevel systems, qudits, promise to upgrade and…

Optics · Physics 2021-12-09 Xiaodong Qiu , Haoxu Guo , Lixiang Chen

Exploiting the cluster of three Bell coherent-states as quantum channel, we presented a scheme wherein quantum-informations encoded in three arbitrary superposed coherent states, i.e., Schrodinger Cat coherent-states are simultaneously…

Quantum Physics · Physics 2024-03-06 Ankita Pathak , Ravi S. Singh

In this paper at first we successfully teleport the unknown quantum state which is a superposition of squeezed vacuum state and squeezed one-photon state using the beam splitter in the absence of dissipation. In the continuation, we try to…

Quantum Physics · Physics 2021-06-04 N Sehati , M K Tavassoly , M Ghasemi

Quantum teleportation is an important ingredient in distributed quantum networks, and can also serve as an elementary operation in quantum computers. Teleportation was first demonstrated as a transfer of a quantum state of light onto…

A scheme is presented for the teleportation of an unknown atomic state between two separated cavities. The scheme involves two interaction-detection cycles and uses resonantly coupled atoms with an additional ground state not coupled to the…

Quantum Physics · Physics 2012-05-07 Shi-Biao Zheng