Quantum Memristors in Frequency-Entangled Optical Fields

Abstract

A quantum memristor is a resistive passive circuit element with memory engineered in a given quantum platform. It can be represented by a quantum system coupled to a dissipative environment, in which a system-bath coupling is mediated through a weak measurement scheme and classical feedback on the system. In quantum photonics, such a device can be designed from a beam splitter with tunable reflectivity, which is modified depending on the results of measurements in one of the outgoing beams. Here, we show that a similar implementation can be achieved with frequency-entangled optical fields and a frequency mixer that, working similarly to a beam splitter, produces state superpositions. We show that the characteristic hysteretic behavior of memristors can be reproduced when analyzing the response of the system with respect to the control, for different experimentally-attainable states. Since memory effects in memristors can be exploited for classical and neuromorphic computation, the results presented in this work provides the first steps of a novel route towards constructing quantum neural networks in quantum photonics.

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Cited by in corpus (7)

• Entangled Quantum Memristors
• Polariton-based quantum memristors
• Tripartite entanglement in quantum memristors
• Simulation of memristive synapses and neuromorphic computing on a quantum computer
• Quantum Memristors with Quantum Computers
• Microwave Quantum Memcapacitor Effect
• Machine Learning for maximizing the memristivity of single and coupled quantum memristors