Logical Bell state measurements with maximum loss-tolerance threshold using linear optics

Paul Hilaire; Paul Hilaire; Edwin Barnes; Sophia E. Economou; Frédéric Grosshans

doi:10.1364/QUANTUM.2022.QTu3B.6

Quantum 2.0 Conference and Exhibition
Technical Digest Series (Optica Publishing Group, 2022),
paper QTu3B.6
•https://doi.org/10.1364/QUANTUM.2022.QTu3B.6

Logical Bell state measurements with maximum loss-tolerance threshold using linear optics

Paul Hilaire, Edwin Barnes, Sophia E. Economou, and Frédéric Grosshans

Quantum 2.0 2022

Boston, MA United States
13–16 June 2022
ISBN: 978-1-957171-11-1

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Quantum Communication II (QTu3B)

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P. Hilaire, E. Barnes, S. E. Economou, and F. Grosshans, "Logical Bell state measurements with maximum loss-tolerance threshold using linear optics," in Quantum 2.0 Conference and Exhibition, Technical Digest Series (Optica Publishing Group, 2022), paper QTu3B.6.

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Abstract

We show that linear optical logical Bell state measurements—a ubiquitous primitive for quantum information processing—can be realized with theoretically maximum photon loss tolerance (50%), overcoming the previous limit, believed to be at 1/√2.

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