6 papers · 1 filter
Excitation transfer and many-body dark states in waveguide quantum electrodynamics
Wei Chen, Guin-Dar Lin, H. H. Jen
In one-dimensional waveguide quantum electrodynamics systems, quantum emitters interact through infinite-range, dispersive, and dissipative dipole-dipole interactions mediated by g…
High-fidelity multipartite entanglement creation in non-Hermitian qubits
C. -Y. Liu, C. G. Feyisa, Muhammad S. Hasan +1
Non-Hermitian quantum systems showcase many distinct and intriguing features with no Hermitian counterparts. One of them is the exceptional point which marks the PT (parity and tim…
Robustness of tripartite entangled states in passive PT-symmetric qubits
C. G. Feyisa, Cheng-Yu Liu, Muhammad S. Hasan +3
Non-Hermitian quantum systems have attracted significant interest in recent years due to the presence of unique spectral singularities known as exceptional points (EPs), where eige…
Strongly Confined Atomic Excitation Localization in a Weakly-Driven Atom-Waveguide Interface
Shao-Hung Chung, Wei Chen, H. H. Jen
An atomic array coupled to a photonic crystal waveguide forms a strongly coupled quantum interface, exhibiting various intriguing collective features of quantum dynamics. Here we c…
Photon-mediated dipole-dipole interactions as a resource for quantum science and technology in cold atoms
H. H. Jen
Photon-mediated dipole-dipole interactions arise from atom-light interactions, which are universal and prevalent in a wide range of open quantum systems. This pairwise and long-ran…
Accelerating multipartite entanglement generation in non-Hermitian superconducting qubits
Chimdessa Gashu Feyisa, J. S. You, Huan-Yu Ku +1
Open quantum systems are susceptible to losses in information, energy, and particles due to their surrounding environment. One novel strategy to mitigate these losses is to transfo…