Quantum operations on entangled photons using Lyot filters

David H. Hughes; Reinhard K. Erdmann; Vladimir V. Nikulin

doi:10.1117/12.2241335

24 October 2016 Quantum operations on entangled photons using Lyot filters

David H. Hughes, Reinhard K. Erdmann, Vladimir V. Nikulin

Proceedings Volume 9996, Quantum Information Science and Technology II; 99960H (2016) https://doi.org/10.1117/12.2241335
Event: SPIE Security + Defence, 2016, Edinburgh, United Kingdom

Abstract

Lyot filters have been designed for multi-access high capacity wavelength division multiplexing between a communications hub and spatially separated spokes. Reported here are modifications to a basic classical communications Lyot filter stage [1], but using a hyper-entangled bipartite input state possessing non-degenerate frequencies for advanced quantum communications. Lyot filters and pre-shared linking knowledge can be used to better ensure efficiency and efficacy in manifesting entanglement correlations between polarization degrees of freedom in non-rotationally invariant measurement bases. Lyot filters also allow entangled photon routing, a function of entanglement between incident frequencies and polarization.

Citation Download Citation

David H. Hughes, Reinhard K. Erdmann, and Vladimir V. Nikulin "Quantum operations on entangled photons using Lyot filters", Proc. SPIE 9996, Quantum Information Science and Technology II, 99960H (24 October 2016); https://doi.org/10.1117/12.2241335

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