Quantum sensing and simulation with light

Theory Colloquium

Advances in quantum optics in novel domains — such as with superconducting circuits or mechanical oscillators — lead to intriguing new possibilities for observing and controlling quantum behavior in increasingly large systems. In this talk, I consider how we can use optomechanical and circuit QED systems for quantum-limited measurement and transduction of forces and fields. Furthermore, I will develop a set of techniques to take these systems into the regime of quantum simulation, with the goal of showing theoretically that all the necessary tools for observing the fractional quantum Hall effect for light are in place, from a robust, effective chemical potential for light to strong two-photon interactions to synthetic magnetic fields for photons using linear or parametric optical elements.

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