86 citations · 492 across the 51 of their papers we have counts for
45 papers · 1 filter
Broadening the reflection band of atomic mirrors by engineering the emitter-waveguide coupling
C. -Y. Lee, G. -D. Lin, H. H. Jen +1
We theoretically investigate single-photon coherent transport through a finite waveguide quantum electrodynamics (QED) array with spatially modulated emitter-waveguide couplings. B…
Fast charging of quantum batteries assisted by nonlinear couplings
Y. -J. Shen, Y. -C. Shen, C. -H. Chu +1
Charger-mediated quantum batteries offer promising opportunities for efficient energy transfer and storage at the quantum level, with potential advantages beyond their classical co…
Exceptional Topology Survives Strong Hermitian Fields in Radiative Atomic Arrays
Tian-Shu Gou, Yi-Cheng Wang, Ya-Tang Yu +3
Exceptional points are topological defects of complex band structures that are stable against weak perturbations, yet in two-band systems with bounded non-Hermitian couplings they…
High-order quantum correlations in nonlinear waveguide quantum electrodynamics
I Gusti Ngurah Yudi Handayana, Ya-Tang Yu, C. -Y. Lee +3
Quantum emitters coupled to nonlinear one-dimensional waveguides provide a route for quantum-state engineering by utilizing parametric gain accumulation along with modified wavegui…
Scaling law for optimal excitation storage and superradiant release in waveguide QED systems
Wei Chen, Kuan-Ting Lin, Guin-Dar Lin +1
Driven-dissipative quantum emitters provide a powerful platform for controllable excitation storage and release, with promising applications in quantum batteries and quantum storag…
Informational Mpemba Effect for Fast State Purification in Non-Hermitian System
C. G. Feyisa, Huan-Yu Ku, J. -S. You +1
Quantum systems are inherently fragile to environmental fluctuations or decoherence, limiting their advantages in applications of quantum information and quantum computation. State…
Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols
Ya-Tang Yu, Hsin-Lien Lee, Ting Hsu +3
Fast coherent state transport is essential to quantum computation and quantum information processing. While an adiabatic transport of atomic qubits guarantees a high fidelity of th…
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…
Trapped-atom Otto engine with light-induced dipole-dipole interactions
Chimdessa Gashu Feyisa, H. H. Jen
Finite-time quantum heat engines are of practical relevance as they can generate finite-power, distinguishing them from ideal quasistatic engines typically used for theoretical pur…
Steady-state phases and interaction-induced depletion in a driven-dissipative chirally-coupled dissimilar atomic array
Shao-Hung Chung, I Gusti Ngurah Yudi Handayana, Yi-Lin Tsao +3
A nanophotonic waveguide coupled with an atomic array forms one of the strongly-coupled quantum interfaces to showcase many fascinating collective features of quantum dynamics. In…
Atomic excitation trapping in dissimilar chirally-coupled atomic arrays
I Gusti Ngurah Yudi Handayana, Chun-Chi Wu, Sumit Goswami +2
Atomic array coupled to a one-dimensional nanophotonic waveguide allows photon-mediated dipole-dipole interactions and nonreciprocal decay channels, which hosts many intriguing qua…
Generating scalable graph states in an atom-nanophotonic interface
C. -H. Chien, S. Goswami, C. -C. Wu +3
Scalable graph states are essential for measurement-based quantum computation and many entanglement-assisted applications in quantum technologies. Generation of these multipartite…
Light scattering properties beyond weak-field excitation in atomic ensembles
Chung-Hsien Wang, Nai-Yu Tsai, Yi-Cheng Wang +1
In the study of optical properties of large atomic system, a weak laser driving is often assumed to simplify the system dynamics by linearly coupled equations. Here, we investigate…
Atomic excitation delocalization at the clean to disordered interface in a chirally-coupled atomic array
C. -C. Wu, K. -T. Lin, I G. N. Y. Handayana +5
In one-dimensional quantum emitter systems, the dynamics of atomic excitations are influenced by the collective coupling between emitters through photon-mediated dipole-dipole inte…
A photonic engine fueled by quantum-correlated atoms
Chimdessa Gashu Feyisa, H. H. Jen
Entangled states are an important resource for quantum information processing and for the fundamental understanding of quantum physics. An intriguing open question would be whether…
High-fidelity Rydberg controlled-Z gates with optimal pulses
T. H. Chang, T. N. Wang, H. H. Jen +1
High-fidelity control- () gates are essential and mandatory to build a large-scale quantum computer. In neutral atoms, the strong dipole-dipole interactions between their R…
State Carving in a Chirally-Coupled Atom-Nanophotonic Cavity
W. S. Hiew, H. H. Jen
Coherent quantum control of multiqubit systems represents one of the challenging tasks in quantum science and quantum technology. Here we theoretically investigate the reflectivity…
Scaling laws for non-Hermitian skin effect with long-range couplings
Yi-Cheng Wang, H. H. Jen, Jhih-Shih You
Recent years have witnessed a surge of research on the non-Hermitian skin effect (NHSE) in one-dimensional lattices with finite-range couplings. In this work, we show that the long…
Nonorthogonal coding in spectrally-entangled photons
N. -Y Tsai, H. H. Jen
Controlling and engineering continuous spectral modes of entangled photons represents one of the promising approaches toward secure quantum communications. By using the telecom ban…