Circuit quantum electrodynamics with dressed states of a superconducting artificial atom

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SUMMARY

    Inspired by the LZS interferometry of a driven two-level atom, the authors propose the concept of "dressed" coupling, controllable by the driving photon number, between a resonator and a dressed atom. To realize such a proposal, the authors consider a scheme that an artificial atom is coupled to two resonance modes as shown in Fig 1a. ωa is the two-level atom energy and ωd is the driving frequency. η can be interpreted as the dimensionless coupling energy between the TLS and driving photon field, of which b and b† are annihilation and creation . . .

     

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