Coherent Control of Multiphoton Using Multidressing Fields

The competition and coexistence between linear and nonlinear multiphoton optical responses in multidressing fields; these exhibit shaping temporal waveforms is investigated. In the group delay regime, the width of the rectangular profile in double-dressing fields is reduced compared to that of the single-dressing field. In the Rabi oscillation regime, the number of periods in double-dressing fields increases relative to the single-dressing field, and the tri- and quadphotons are observed to feature six and nine coherent channels, respectively. Finally, changing the optical depth and power of the dressing field can alter the optical response. Compared with the single-dressing field, cascaded and nested double-dressing fields reduce the linear coherence time and increase the number of periods; this is useful for photon storage and long-distance communication. Moreover, increasing the number of dressing coherent channels increases the high-dimensional entangled information capacity, which is more conducive to the realization of quantum communication and quantum networks.