Experimental implementation of arbitrary entangled operations

Seongjin Hong, Chang Hoon Park, Yeon Ho Choi, Yong Su Kim, Young Wook Cho, Kyunghwan Oh, Hyang Tag Lim

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Quantum entanglement lies at the heart of quantum mechanics in both fundamental and practical aspects. The entanglement of quantum states has been studied widely both theoretically and experimentally, however, the entanglement of operators has not been studied much experimentally in spite of its importance. Here, we propose a scheme to realize arbitrary entangled operations based on a coherent superposition of local operations with a non-zero probability of failure. Then, we experimentally implement several intriguing two-qubit entangled operations in photonic systems. We also discuss the generalization of our scheme to extend the number of superposed operations and the number of qubits. Due to the simplicity of our scheme, we believe that it can reduce the complexity or required resources of the quantum circuits and provide insights to investigate properties of entangled operations.

Original languageEnglish
Article number093070
JournalNew Journal of Physics
Volume22
Issue number9
DOIs
Publication statusPublished - 2020 Sep

Bibliographical note

Publisher Copyright:
© 2020 The Author(s). Published by IOP Publishing Ltd on behalf of the Institute of Physics and Deutsche Physikalische Gesellschaft.

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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