Direct quantum error detection in multiplexed photonic transmission channels

Kai Wang; Falk Eilenberger; Alexander Szameit; Andrey A. Sukhorukov

doi:10.1117/12.2539688

30 December 2019 Direct quantum error detection in multiplexed photonic transmission channels

Kai Wang, Falk Eilenberger, Alexander Szameit, Andrey A. Sukhorukov

Proceedings Volume 11200, AOS Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019; 112001U (2019) https://doi.org/10.1117/12.2539688
Event: ANZCOP, 2019, Melbourne, Australia

Abstract

The detection of quantum errors is of particular importance to the development of reliable engineered quantum systems. Whereas previous error-detection schemes were mostly developed for π phase-flip associated with solid-state qubits, here we introduce a protocol for direct detection of arbitrary continuous phase errors in the transmission of multiphoton spatially entangled quantum states. We present a design and experimental evidence for its realization in an integrated photonic circuit using gradually coupled waveguides with specially detuned propagation constants. We anticipate that our approach will facilitate the development of error-robust photonic devices for the processing and communication of quantum information.

Citation Download Citation

Kai Wang, Falk Eilenberger, Alexander Szameit, and Andrey A. Sukhorukov "Direct quantum error detection in multiplexed photonic transmission channels", Proc. SPIE 11200, AOS Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019, 112001U (30 December 2019); https://doi.org/10.1117/12.2539688

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