Electromagnetically induced transparency in circuit QED with nested polariton states
Abstract
Electromagnetically induced transparency (EIT) is a signature of quantum interference in an atomic three-level system. By driving the dressed cavity-qubit states of a two-dimensional circuit QED system, we generate a set of polariton states in the nesting regime. The lowest three energy levels are utilized to form the -type system. EIT is observed and verified by Akaike's information criterion based testing. Negative group velocities up to -0.520.09 km/s are obtained based on the dispersion relation in the EIT transmission spectrum.
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