English
Related papers

Related papers: Probabilistic teleportation of a quantum dot spin …

200 papers

Tunneling in a quantum coherent structure is not restricted to only nearest neighbours. Hopping between distant sites is possible via the virtual occupation of otherwise avoided intermediate states. Here we report the observation of long…

Mesoscale and Nanoscale Physics · Physics 2014-05-06 R. Sánchez , G. Granger , L. Gaudreau , A. Kam , M. Pioro-Ladrière , S. A. Studenikin , P. Zawadzki , A. S. Sachrajda , G. Platero

This work presents a deterministic scheme for the teleportation of a single qutrit state, held by the sender Alice, using maximally entangled two-qutrit states as resource channels. These states have been constructed from symmetric and…

Quantum Physics · Physics 2026-02-10 Anushree Pandey , Abhijit Mandal , Sovik Roy

In this work, we propose a probabilistic teleportation protocol to teleport a single qubit via three-qubit W-states using two-qubit measurement basis. We show that for the proper choice of the state parameter of the resource state, it is…

Quantum Physics · Physics 2021-01-20 Satyabrata Adhikari

Superpositions of two orthogonal single-photon polarization states are commonly used as optical qubits. If such qubits are sent by continuous variable quantum teleportation, the modifications of the qubit states due to imperfect…

Quantum Physics · Physics 2007-05-23 Toshiki Ide , Holger F. Hofmann

Quantum teleportation with an arbitrary two-qubit state can be appropriately characterized in terms of maximal fidelity and fidelity deviation. The former quantifies optimality of the process and is defined as the maximal average fidelity…

Quantum Physics · Physics 2020-03-23 Arkaprabha Ghosal , Debarshi Das , Saptarshi Roy , Somshubhro Bandyopadhyay

We show how an arbitrary qubit rotation can be teleported, albeit probabilistically, using 1 e-bit of entanglement and one classical bit. We use this to present a scheme for implementing quantum secret sharing. The scheme operates…

Quantum Physics · Physics 2009-11-07 Chui-Ping Yang , Julio Gea-Banacloche

We derive the maximum fidelity attainable for teleportation using a shared pair of d-level systems in an arbitrary pure state. This derivation provides a complete set of necessary and sufficient conditions for optimal teleportation…

Quantum Physics · Physics 2009-11-06 Konrad Banaszek

Quantum teleportation is a powerful protocol with applications in several schemes of quantum communication, quantum cryptography and quantum computing. The present work shows the required conditions for a two-qubit quantum gate to be…

Quantum Physics · Physics 2015-06-16 F. V. Mendes , R. V. Ramos

A protocol of quantum communication is proposed in terms of the multi-qubit quantum teleportation through cluster states (Phys. Rev. Lett. \textbf{86}, 910 (2001)). Extending the cluster state based quantum teleportation on the basic unit…

Quantum Physics · Physics 2007-05-23 B. Zeng , D. L. Zhou , Z. Xu , C. P. Sun

We present a scheme to generate three particle hyper-entanglement utilizing polarization and orbital angular momentum (OAM) of a photon. We show that the generated state can be used to teleport a two-qubit state described by the…

In this work we propose the generation of a hybrid entangled resource (HER) and its further application in a quantum teleportation scheme from an experimentally feasible point of view. The source for HER preparation is based on the four…

Quantum Physics · Physics 2020-02-11 Francisco A Dominguez-Serna , Fernando Rojas , Karina Garay-Palmett

This work presents a two-way teleportation protocol for the transfer of an unknown two-qubit quantum state between two parties Alice and Bob, utilizing a six-qubit cluster state. This bidirectional exchange is achieved by performing Bell…

Quantum Physics · Physics 2025-02-11 Vedhanayagi R , Soubhik De , Basherrudin Mahmud Ahmed A , Alok Sharan

We develop a quantum teleportation protocol of an unknown optical single rail qubit using a hybrid quantum channel composed of continuous variable (CV) states of certain parity. The quantum channel is characterized by two parameters: a…

Quantum Physics · Physics 2026-03-12 Mikhail S. Podoshvedov , Sergey A. Podoshvedov

Quantum teleportation can be performed if and only if a message is combined with a maximally entangled state. Bennett et al. originally claimed this feasibility condition. In this paper, I give a proof of that condition. Moreover, I specify…

Quantum Physics · Physics 2013-12-30 Takeshi Hayashida

An efficient and economical scheme is proposed for the perfect quantum teleportation of n-qubit non-maximally entangled state of generalized Bell-type. A Bell state is used as the quantum channel in the proposed scheme. It is also shown…

Quantum Physics · Physics 2010-06-08 Anirban Pathak , Anindita Banerjee

We study quantum teleportation via two two-level atoms coupled collectively to a multimode vacuum field and prepared initially in different atomic states. We concentrated on influence of the spontaneous emission, collective damping and…

Quantum Physics · Physics 2011-11-28 Ming-Liang Hu

Quantum Teleportation, the transfer of the state of one quantum system to another without direct interaction between both systems, is an important way to transmit information encoded in quantum states and to generate quantum correlations…

Quantum entanglement is a fundamental resource for quantum information processing and is widely used in quantum communication, quantum computation and quantum metrology. Early research on quantum entanglement mainly focus on qubit states,…

Quantum Physics · Physics 2022-12-02 Linxiang Zhou , Qiao Xu , Tianfeng Feng , Xiaoqi Zhou

In this work, we introduce a comprehensive statistical framework for assessing single-qubit quantum teleportation performance beyond the conventional average-fidelity benchmark. At first, we derive a closed-form expression for the full…

Quantum Physics · Physics 2025-10-16 D. G. Bussandri , G. M. Bosyk , P. Crespo Del Amo , K. Życzkowski

In port-based teleportation, Alice teleports an unknown quantum state to one of N ports at Bob's site. Alice applies a measurement and sends Bob the outcome k. Bob only needs to select the kth port in order to obtain the state. We present a…

Quantum Physics · Physics 2013-05-06 Damián Pitalúa-García