Security loopholes exploiting the flaws of practical apparatus, especially non-ideal photon
detectors, are pressing issues in practical quantum communication. We propose a simple …

By harnessing weak cross‐Kerr nonlinearities, it proposes two deterministic hyperparallel
quantum control gates, including the hyperparallel controlled‐NOT (hyper‐CNOT) gate and …

Here, a scheme for a controllable nonreciprocal phonon laser is proposed in a hybrid
photonic molecule system consisting of a whispering-gallery mode (WGM) optomechanical …

Quantum gates designed with minimized resources overhead have a crucial role in quantum
information processing. Here, based on the degrees of freedom (DoFs) of photons and Λ …

By coupling a Λ-type quantum emitter to a chiral waveguide, in which the polarization of a
photon is locked to its propagation direction, we propose a controllable photon-emitter …

High‐efficiency quantum information processing is equivalent to the fewest quantum
resources and simplest operations by means of logic qubit gates. Based on the reflection …

Photonic hyper-parallel quantum information processing (QIP) can simplify the quantum
circuit and improve the information-processing speed, as well as reduce the quantum …

Quantum networks require parallel quantum entanglement between pairs of distant quantum
memories (QMs) for practical applications. However, usually one pair of QMs is entangled …

Hyperentangled-Bell-state analysis (HBSA) represents a key step in many quantum
information processing schemes that utilize hyperentangled states. In this paper, we present …

We propose an efficient single-photon router comprising two resonator waveguide channels
coupled by several sequential cavities with embedded three-level atoms. We show that the …