| Recent experimental break throughs have led to the construction of artificial superconducting 'atoms'. When placed inside a resonant cavity, these 'atoms' can strongly interact with single microwave photons opening up a new era of strong-coupling non-linear quantum optics with electrical circuits. In addition to discussing recent work in the Schoelkopf and Devoret labs at Yale, I will present ideas on possible new directions including single-atom optical bistability, production and detection of single microwave photons and production of strongly squeezed states of microwaves via three- and four-wave mixing. |
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