# Quantum cloning machines and the applications

@article{Fan2014QuantumCM, title={Quantum cloning machines and the applications}, author={Heng Fan and Yi-Nan Wang and Li Jing and Jie-Dong Yue and Han-Duo Shi and Yong-liang Zhang and Liang-zhu Mu}, journal={Physics Reports}, year={2014}, volume={544}, pages={241-322} }

## Figures and Tables from this paper

## 73 Citations

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- 2018

It seems there is a large gap between quantum cloning and classical duplication since quantum mechanics forbid perfect copies of unknown quantum states. In this paper, we prove that a classical…

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- 2014

It is found that any asymmetric cloning outperforms symmetric cloning on the distribution of QFI for d ≤ 18, whereas some but not all asymmetric clones strategies could be worse than symmetric ones when d > 18.

Cloning of Quantum Entanglement.

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Results show that one maximally entangled photon pair can be broadcast into two entangled pairs, both with state fidelities above 50%.

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No-cloning theorem forbids perfect cloning of an unknown quantum state. A universal quantum cloning machine (UQCM), capable of producing two copies of any input qubit with the optimal fidelity, is of…

Existence and construction of simultaneous cloning machines for mixed states

- Physics
- 2015

It is a well-known fact that the no-cloning theorem forbids the creation of identical copies of an arbitrary unknown quantum state. In other words, there does not exist a quantum cloning machine that…

Optimal phase cloning machine in a three‐dimensional transmon qubit system

- Physics
- 2016

In quantum mechanics, although the no‐cloning theorem forbids us to clone an arbitrary quantum state ideally, it is still possible to partially reproduce an unknown quantum state by using a phase…

Quantum deleting and cloning in a pseudo-unitary system

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- 2021

In conventional quantum mechanics, quantum no-deleting and no-cloning theorems indicate that two different and nonorthogonal states cannot be perfectly and deterministically deleted and cloned,…

Memory-built-in quantum cloning in a hybrid solid-state spin register

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- 2015

An experiment is reported that realizes cloning of quantum states from an electron spin to a nuclear spin in a hybrid solid-state spin register with near-optimal fidelity.

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- Physics
- 2014

In this paper, we study the entanglement and quantum discord of the output modes in the unified 1 → 2 state-dependent cloning and probabilistic quantum cloning. The tripartite entanglement among the…

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The optimal global fidelity for phase-covariant cloning machines via semi-definite programming optimization is computed, thereby completing a remaining gap in the previous results on QCMs.

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