Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Quantum Hyper-CPHASE Gates with Polarisation and Orbital Angular Momentum Degrees of Freedom and Generalisation to Arbitrary Hyper-Conditional Gates

Version 1 : Received: 17 May 2020 / Approved: 17 May 2020 / Online: 17 May 2020 (03:33:25 CEST)

How to cite: Guha Majumdar, M. Quantum Hyper-CPHASE Gates with Polarisation and Orbital Angular Momentum Degrees of Freedom and Generalisation to Arbitrary Hyper-Conditional Gates. Preprints 2020, 2020050281 (doi: 10.20944/preprints202005.0281.v1). Guha Majumdar, M. Quantum Hyper-CPHASE Gates with Polarisation and Orbital Angular Momentum Degrees of Freedom and Generalisation to Arbitrary Hyper-Conditional Gates. Preprints 2020, 2020050281 (doi: 10.20944/preprints202005.0281.v1).

Abstract

In this paper, a controlled-phase-flip (P-CPF) 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.

Keywords

entanglement; quantum operation; cluster states

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