Multistage entanglement swapping using superconducting qubits in the absence and presence of dissipative environment without Bell state measurement.

ABSTRACT: In recent decades the entangled state generation is of great importance in the quantum information processing and technologies. In this paper, producing the distributed entangled state of superconducting (SC) qubits is considered using an entanglement swapping protocol in three successive stages. The SC qubit pairs [Formula: see text] with [Formula: see text], where each pair of the qubits has been placed on a separate chip, are initially prepared in maximally entangled states. The external magnetic fields on capacitively coupled pairs [Formula: see text] and [Formula: see text] are implemented for modulating the frequency of qubits. Then, the SC qubits [Formula: see text] and [Formula: see text] are converted into entangled states via operating proper measurements instead of Bell state me

SUBMITTER: Salimian S 

PROVIDER: S-EPMC10539405 | biostudies-literature | 2023 Sep

REPOSITORIES: biostudies-literature