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Advanced-Retarded Differential Equations in Quantum Photonic Systems

: Alvarez-Rodriguez, U.; Perez-Leija, A.; Egusquiza, I.L.; Gräfe, M.; Sanz, M.; Lamata, L.; Szameit, A.; Solano, E.

Volltext ()

Scientific Reports 7 (2017), Art. 42933, 6 S.
ISSN: 2045-2322
Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer IOF ()

We propose the realization of photonic circuits whose dynamics is governed by advanced-retarded differential equations. Beyond their mathematical interest, these photonic configurations enable the implementation of quantum feedback and feedforward without requiring any intermediate measurement. We show how this protocol can be applied to implement interesting delay effects in the quantum regime, as well as in the classical limit. Our results elucidate the potential of the protocol as a promising route towards integrated quantum control systems on a chip.