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Quantum hyper-CPHASE gates with polarisation and orbital angular momentum degrees of freedom and generalisation to arbitrary hyper-conditional gates

Publication Type : Journal Article

Publisher : Springer

Source : Quantum Information Processing 19.10 (2020): 352

Url : https://link.springer.com/article/10.1007/s11128-020-02862-8

Campus : Amaravati

School : School of Arts and Sciences

Department : Physics

Year : 2020

Abstract : In this paper, a controlled-phase (CPHASE) gate using the polarisation and orbital angular momentum degrees of freedom for single-photon two-qubit quantum logic is proposed. This is critical to the realisation of quantum cluster states and graph networks using transverse degrees of freedom. A generalisation of the proposed scheme to arbitrary number and kinds of degrees of freedom, for optical systems, as well as arbitrary operations to be conditionally performed is proposed.

Cite this Research Publication : M. Guha Majumdar. "Quantum hyper-CPHASE gates with polarisation and orbital angular momentum degrees of freedom and generalisation to arbitrary hyper-conditional gates." Quantum Information Processing 19.10 (2020): 352.

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