Demonstration of Cluster State Shaping and Quantum Erasure for Continuous Variables - Quantum PhysicsReport as inadecuate




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Abstract: We demonstrate experimentally how to remove an arbitrary node from acontinuous-variable cluster state and how to shorten any quantum wires of sucha state. These two basic operations, performed in an unconditional fashion, area manifestation of quantum erasure and can be employed to obtain various graphstates from an initial cluster state. Starting with a sufficiently largecluster, the resulting graph states can then be used for universal quantuminformation processing. In the experiment, all variations of thiscluster-shaping are demonstrated on a four-mode linear cluster state throughhomodyne measurements and feedforward.



Author: Yoshichika Miwa, Ryuji Ukai, Jun-ichi Yoshikawa, Radim Filip, Peter van Loock, Akira Furusawa

Source: https://arxiv.org/



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