Temporal-mode continuous-variable 3-dimensional cluster state for topologically-protected measurement-based quantum computation

• URL: http://arxiv.org/abs/2004.05750v2
• Date: Mon, 3 Aug 2020 08:55:13 GMT
• Title: Temporal-mode continuous-variable 3-dimensional cluster state for topologically-protected measurement-based quantum computation
• Authors: Kosuke Fukui, Warit Asavanant, and Akira Furusawa
• Abstract summary: We propose the method to generate the large-scale 3-dimensional cluster state which is a platform for measurement-based quantum computation. Our method combines a time-domain multiplexing approach with a divide-and-conquer approach, and has the two advantages for implementing large-scale quantum computation.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Measurement-based quantum computation with continuous variables in an optical setup shows the great promise towards implementation of large-scale quantum computation, where the time-domain multiplexing approach enables us to generate the large-scale cluster state used to perform measurement-based quantum computation. To make effective use of the advantage of the time-domain multiplexing approach, in this paper, we propose the method to generate the large-scale 3-dimensional cluster state which is a platform for topologically protected measurement-based quantum computation. Our method combines a time-domain multiplexing approach with a divide-and-conquer approach, and has the two advantages for implementing large-scale quantum computation. First, the squeezing level for verification of the entanglement of the 3-dimensional cluster states is experimentally feasible. The second advantage is the robustness against analog errors derived from the finite squeezing of continuous variables during topologically-protected measurement-based quantum computation. Therefore, our method is a promising approach to implement large-scale quantum computation with continuous variables.

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