Generation of long-lived states via reservoir engineering in dissipatively coupled systems
arXiv:2205.13920 · doi:10.1103/PhysRevA.107.012410
Abstract
Very recently, dissipative coupling was discovered, which develops and broadens methods for controlling and utilizing light-matter interactions. Here, we propose a scheme to generate the tripartite state in a dissipatively coupled system, where one qubit and two resonators simultaneously interact with a common reservoir. With appropriate parameters, we find the state is a dark state of the system. By driving the qubit, the dissipatively coupled system will evolve from the ground state to the tripartite state. Because the initial state is the ground state of the system and no measurement is required, our scheme is easy to implement in experiments. Moreover, the state decouples from the common reservoir and thus has a very long lifetime. This scheme is applicable to a wide class of dissipatively coupled systems, and we specifically illustrate how to prepare the state in a hybrid qubit-photon-magnon system by using this scheme.
arXiv comment10 pages, 5 figures
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