Kwek Leong Chuan
Principal Investigator
Centre for Quantum Technologies
Professor
National Institute of Education – Natural Sciences & Science Education, Nanyang Technological University
Co-Director
Quantum Science and Engineering Centre (QSec), Nanyang Technological University, Nanyang Technological University
S15-03-09
Kwek Leong Chuan has received numerous awards, including Laureate of Scientia Vinces Award of the First President of the Republic of Sakha; Institute of Physics President Award, Singapore, and the National Science Award, Singapore. He is the Editor in Chief for The Physics Educator and Dandelion (Pu Gongyin) and associate editor with other journals. He is also an elected Fellow of the American Association for the Advancement of Science, Institute of Physics (UK) and the Institute of Physics Singapore. His main research interests are in foundations of quantum mechanics; quantum cryptography, quantum synchronization, quantum computation and atomtronics.
Preprints & Publications
Large-scale photonic network with squeezed vacuum states for molecular vibronic spectroscopy
Convex optimization for non-equilibrium steady states on a hybrid quantum processor
Geometric and holonomic quantum computation
Stability and dynamics of many-body localized systems coupled to a small bath
Atomtronic circuits: from many-body physics to quantum technologies
Graph-theoretic approach to dimension witnessing
All fundamental non-contextuality inequalities are unique
The Aharonov-Bohm effect in mesoscopic Bose-Einstein condensates
Andreev-reflection and Aharonov-Bohm dynamics in atomtronic circuits
Nonclassical states in strongly correlated bosonic ring ladders
Non-classical Correlations in n-Cycle Setting
Robust self-testing of quantum systems via noncontextuality inequalities
Topological pumping in Aharonov—Bohm rings
Tunable quantum switch realized with a single ??-level atom coupled to the microtoroidal cavity
Two-dimensional network of atomtronic qubits
Mesoscopic Vortex—Meissner currents in ring ladders
Floquet stroboscopic divisibility: coherence preservation in non-Markovian dynamics
Read-out of the atomtronic quantum interference device
Cluster state generation in one-dimensional Kitaev model via shortcut to adiabaticity
Synchronization of a Self-Sustained Cold Atom Oscillator
Stabilizing Rabi Oscillation of a Charge Qubit via the Atomic Clock Technique
Squeezing Enhances Quantum Synchronization
Parity-preserving light-matter system mediates effective two-body interactions
Superconducting Qubit-Resonator-Atom Hybrid System
Theoretical Description of Micromaser in the Ultrastrong-Coupling Regime
Photon scattering by an atomic ensemble coupled to a one-dimensional nanophotonic waveguide
Entanglement witness via symmetric two-body correlations
An Atomtronic Flux Qubit: A ring lattice of Bose-Einstein condensates interrupted by three weak links
Superconducting Resonator-Rydberg Atom Hybrid in the Strong Coupling Regime
Quantum state transmission in a superconducting charge Qubit-atom hybrid
Charge Qubit-Atom Hybrid
Creation of quantum error correcting codes in the ultrastrong coupling regime
Scalable quantum random-access memory with superconducting circuits
Simulation and detection of photonic Chern insulators in a one-dimensional circuit-QED lattice
Fast non-Abelian geometric gates via transitionless quantum driving
Optimal scaling of persistent currents for interacting bosons on a ring
Coherent superposition of current flows in an Atomtronic Quantum Interference Device
Quantum state discrimination and its applications
Beyond Gisin’s Theorem and its Applications: Violation of Local Realism by Two-Party Einstein-Podolsky-Rosen Steering
Scalable quantum memory in the ultrastrong coupling regime
Zitterbewegung in Bogoliubov’s System
Entanglement witness for spin glass
Superfluid qubit systems with ring shaped optical lattices
Quantum computation in noiseless subsystems with fast non-Abelian holonomies
Quasiparticle Localisation via Frequent Measurements
Transitions in the quantum computational power
Randomized Graph States and their Entanglement Properties
Simulating Zeno physics by a quantum quench with superconducting circuits
A solenoidal synthetic field and the non-Abelian Aharonov-Bohm effects in neutral atoms
Z_2 quantum memory implemented on circuit quantum electrodynamics
Measurement-Based Quantum Computation on Two-Body Interacting Qubits with Adiabatic Evolution
Local convertibility and edge states in quantum many body systems
Coherent Quantum Transport in Photonic Lattices
Operator Quantum Zeno Effect: Protecting Quantum Information with Noisy Two-Qubit Interactions
Quantum contextuality for a relativistic spin-1/2 particle
Mimicking interacting relativistic theories with stationary pulses of light
All-Versus-Nothing Proof of Einstein-Podolsky-Rosen Steering
Requirement of Dissonance in Assisted Optimal State Discrimination
Photonic polarization gears for ultra-sensitive angular measurements
Quantum nonlocality of massive qubits in a moving frame
Quantum Zeno Effect of General Quantum Operations
Entanglement and discord in spin glass
Effective dynamics of cold atoms flowing in two ring shaped optical potentials with tunable tunneling
Realizing the Multipartite Hanbury Brown-Twiss Interferometer Using Nitrogen-Vancancy Centers in Diamond Crystals
Coherent cavity networks with complete connectivity
Quantum phases with differing computational power
Long-distance entanglement generation with scalable and robust two-dimensional quantum network
Spinons and Holons with Polarized Photons in a Nonlinear Waveguide
Optimal irreversible stimulated emission
Universal optimal broadband photon cloning and entanglement creation in one dimensional atoms
Robust-fidelity atom-photon entangling gates in the weak-coupling regime
Non-Adiabatic Holonomic Quantum Computation in Decoherence-Free Subspaces
Detecting genuine multipartite correlations in terms of the rank of coefficient matrix
Measurement-Based Quantum Computing with Valence-Bond-Solids
Luttinger Liquid of Photons and Spin-Charge Separation in Hollow-Core Fibers
Photonic multiqubit states from a single atom
Thermal States as Universal Resources for Quantum Computation with Always-On Interactions
Wigner-Yanase-Dyson information as a measure of quantum uncertainty of mixed states
Quantum mechanical photon-count formula derived by entangled state representation
Quantum computational universality of the Cai-Miyake-Dür-Briegel 2D quantum state from Affleck-Kennedy-Lieb-Tasaki quasichains
One-dimensional quantum walk with a moving boundary
Probing Multipartite Entanglement in Spin Chain via Structure Factors
Composition-Dependent Structural and Electronic Properties of alpha-(Si1-xCx)(3)N-4
Stochastic Resonance of Quantum Discord
Correlations and thermalization in driven cavity arrays
Coherent control of steady state entanglement in driven cavity arrays
A single-interaction step implementation of a quantum search in coupled micro-cavities
Exponential quadratic operators and evolution of bosonic systems coupled to a heat bath
Separable states and geometric phases of an interacting two-spin system
Engineering quantum cloning through maximal entanglement between boundary qubits in an open spin chain
Protecting Two-Qubit Quantum States by pi-Phase Pulses
A unified quantum NOT gate
Uncertainty relation of mixed states by means of Wigner-Yanase-Dyson information
Berry Phase in Magnetoelectric Materials
Fractional spin Hall effect in atomic Bose gases
Multipartite Entanglement Detection Via Structure Factors
Spin Chain under Next Nearest Neighbor Interaction
Generalized flying-qudit scheme in arbitrary dimensions
Correlation-function Bell inequality with improved visibility for three qubits
Repeat-until-success distributed quantum computation by using single-photon interference at a beam splitter
Bell inequalities for three particles
Wave-particle duality in multi-path interferometers: General concepts and three-path interferometers
Examination of the adiabatic approximation in open systems
Geometric phase induced by quantum nonlocality
Quantum spin current induced through optical dipole transition process in semiconductors
Manipulating atomic states via optical orbital angular-momentum
Berry’s phase under the Dzyaloshinskii-Moriya interaction
Nonadiabatic geometric quantum computation
Unconventional geometric quantum computation in a two-mode cavity
Scheme for unconventional geometric quantum computation in cavity QED
Effects of a squeezed-vacuum reservoir on geometric phase
Adiabatic approximation in open systems: an alternative approach
Quantum nonlocality of four-qubit entangled states
Sufficiency Criterion for the Validity of the Adiabatic Approximation
Geometric phase in open systems: Beyond the Markov approximation and weak-coupling limit
Violating Bell inequalities maximally for two d-dimensional systems
Quantum nonlocality of N-qubit W state
Multi-component Bell inequality and its violation for continuous-variable systems
Continuous multipartite entangled state in the Wigner representation and violation of Zukowski-Brunker inequality
Quantitative conditions do not guarantee the validity of the adiabatic approximation
Gisin’s theorem for three qubits
Quantum nonlocality of Heisenberg XX model with site-dependent coupling strength
Asymmetric multipartite Greenberger-Horne-Zeilinger states and Bell inequalities
Kinematic approach to off-diagonal geometric phases of nondegenerate and degenerate mixed
Operator-sum representation of time-dependent density operators
General formalism of Hamiltonians for realizing a prescribed evolution of a qubit
Relation between the geometric phases of the entangled biparticle system and their subsystems
Creation, manipulation and detection of Majorana fermions with cold atoms in optical lattice
Genuine Multipartite Maximally Nonlocal Mixed States
An Atomtronic Flux Qubit: A ring lattice of Bose-Einstein condensates interrupted by three weak links
Entanglement convertibility by sweeping through the phase diagram of one dimensional $XXZ$ model with bond alternation
Coherent transfer of singlet-triplet qubit states in a scalable architecture of linear quantum dots
Optical properties of an atomic ensemble coupled to a band edge of a photonic crystal waveguide
Population mixing due to dipole-dipole interactions in a 1D array of multilevel atoms
Depth reduction for quantum Clifford circuits through Pauli measurements
Monitoring currents of cold atoms in atomtronic circuits
Dynamical quantum phase transitions and non-Markovian dynamics
Duality and topological pumping on entanglement and disorder
How to Teach AI to Play Bell Non-Local Games: Reinforcement Learning
Local certification of programmable quantum devices of arbitrary high dimensionality
Engineering quantum current states with machine learning
Microtoroidal resonators enhance long-distance dynamical entanglement generation in chiral quantum networks
Long-distance dissipation-assisted transport of entangled states via a chiral waveguide
Noise, not squeezing, boosts synchronization in the deep quantum regime
Robust Self Testing of All Pure Bipartite Maximally Entangled States via Quantum Steering
Graph-Theoretic Framework for Self-Testing in Bell Scenarios
Fast-Forwarding with NISQ Processors without Feedback Loop
NISQ Algorithm for Hamiltonian Simulation via Truncated Taylor Series
Quantum assisted simulation of time dependent Hamiltonians
NISQ Algorithm for Semidefinite Programming
