Search Results - "Kwek, L C"
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1
An optical neural chip for implementing complex-valued neural network
Published in Nature communications (19-01-2021)“…Complex-valued neural networks have many advantages over their real-valued counterparts. Conventional digital electronic computing platforms are incapable of…”
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2
Nonadiabatic holonomic quantum computation in decoherence-free subspaces
Published in Physical review letters (24-10-2012)“…Quantum computation that combines the coherence stabilization virtues of decoherence-free subspaces and the fault tolerance of geometric holonomic control is…”
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3
Space-efficient optical computing with an integrated chip diffractive neural network
Published in Nature communications (24-02-2022)“…Large-scale, highly integrated and low-power-consuming hardware is becoming progressively more important for realizing optical neural networks (ONNs) capable…”
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4
Scalable quantum memory in the ultrastrong coupling regime
Published in Scientific reports (02-03-2015)“…Circuit quantum electrodynamics, consisting of superconducting artificial atoms coupled to on-chip resonators, represents a prime candidate to implement the…”
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5
Creation of quantum error correcting codes in the ultrastrong coupling regime
Published in Physical review. B, Condensed matter and materials physics (12-02-2015)“…We propose to construct large quantum graph codes by means of superconducting circuits working at the ultrastrong coupling regime. In this physical scenario,…”
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6
Synchronization boost with single-photon dissipation in the deep quantum regime
Published in Physical review research (16-09-2020)“…Synchronization phenomena occur throughout nature. The van der Pol oscillator has been a paradigmatic model to investigate synchronization. Here we study the…”
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7
Phase-Preserving Linear Amplifiers Not Simulable by the Parametric Amplifier
Published in Physical review letters (16-10-2020)“…It is commonly accepted that a parametric amplifier can simulate a phase-preserving linear amplifier regardless of how the latter is realized [C. M. Caves et…”
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8
An atomtronic flux qubit: a ring lattice of Bose-Einstein condensates interrupted by three weak links
Published in New journal of physics (18-07-2016)“…We study a physical system consisting of a Bose-Einstein condensate confined to a ring shaped lattice potential interrupted by three weak links. The system is…”
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9
Kinematic approach to the mixed state geometric phase in nonunitary evolution
Published in Physical review letters (20-08-2004)“…A kinematic approach to the geometric phase for mixed quantal states in nonunitary evolution is proposed. This phase is manifestly gauge invariant and can be…”
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10
All-Versus-Nothing Proof of Einstein-Podolsky-Rosen Steering
Published in Scientific reports (05-07-2013)“…Einstein-Podolsky-Rosen steering is a form of quantum nonlocality intermediate between entanglement and Bell nonlocality. Although Schrödinger already mooted…”
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11
Direct estimations of linear and nonlinear functionals of a quantum state
Published in Physical review letters (27-05-2002)“…We present a simple quantum network, based on the controlled-SWAP gate, that can extract certain properties of quantum states without recourse to quantum…”
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12
Topological pumping of quantum correlations
Published in Physical review research (07-02-2020)“…Topological pumping and duality transformations are paradigmatic concepts in condensed matter and statistical mechanics. In this paper, we extend the concept…”
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13
Sufficiency criterion for the validity of the adiabatic approximation
Published in Physical review letters (13-04-2007)“…We examine the quantitative condition which has been widely used as a criterion for the adiabatic approximation but was recently found insufficient. Our…”
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14
Optically induced spin-Hall effect in atoms
Published in Physical review letters (12-01-2007)“…We propose an optical means to realize the spin-Hall effect (SHE) in a neutral atomic system by coupling the internal spin states of atoms to radiation. The…”
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15
Quantitative conditions do not guarantee the validity of the adiabatic approximation
Published in Physical review letters (09-09-2005)“…In this Letter, we point out that the widely used quantitative conditions in the adiabatic theorem are insufficient in that they do not guarantee the validity…”
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16
Requirement of Dissonance in Assisted Optimal State Discrimination
Published in Scientific reports (04-07-2013)“…A fundamental problem in quantum information is to explore what kind of quantum correlations is responsible for successful completion of a quantum information…”
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17
Beyond Gisin’s Theorem and its Applications: Violation of Local Realism by Two-Party Einstein-Podolsky-Rosen Steering
Published in Scientific reports (25-06-2015)“…We demonstrate here that for a given mixed multi-qubit state if there are at least two observers for whom mutual Einstein-Podolsky-Rosen steering is possible,…”
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18
Optimal irreversible stimulated emission
Published in New journal of physics (24-08-2012)“…We studied the dynamics of an initially inverted atom in a semi-infinite waveguide, in the presence of a single propagating photon. We show that atomic…”
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19
An integrated silicon photonic chip platform for continuous-variable quantum key distribution
Published in Nature photonics (01-12-2019)“…Quantum key distribution (QKD) is a quantum communication technology that promises unconditional communication security. High-performance and cost-effective…”
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20
Averaged Wigner-Yanase-Dyson information as a quantum uncertainty measure
Published in The European physical journal. D, Atomic, molecular, and optical physics (01-09-2011)“…The average of the skew information over the observables was proposed by Luo as a quantum uncertainty measure. In this paper, we investigate the interesting…”
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