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Choy Heng Lai
Researcher at National University of Singapore
Publications - 157
Citations - 3501
Choy Heng Lai is an academic researcher from National University of Singapore. The author has contributed to research in topics: Synchronization (computer science) & Complex network. The author has an hindex of 30, co-authored 157 publications receiving 3278 citations. Previous affiliations of Choy Heng Lai include Yale-NUS College.
Papers
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Complete synchronization and generalized synchronization of one-way coupled time-delay systems.
TL;DR: It is found that GS can be achieved by a single scalar signal, and its synchronization threshold for different delay times shows the parameter resonance effect, i.e., stable synchronization at a smaller coupling if the delay time of the driven system is chosen such that it is in resonance with the driving system.
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Experimental Quantum Cloning with Prior Partial Information
Jiangfeng Du,Jiangfeng Du,Thomas Durt,Ping Zou,Hui Li,Leong Chuan Kwek,Choy Heng Lai,Choo Hiap Oh,Artur Ekert,Artur Ekert +9 more
TL;DR: This work experimentally verifies the intriguing relationship between the cloning fidelity and the prior information by reporting the first experimental optimal quantum state-dependent cloner, using nuclear magnetic resonance techniques.
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Enhancing synchronization based on complex gradient networks
TL;DR: It is argued and demonstrated that, in the presence of some proper gradient fields, scale-free networks can be more synchronizable than homogeneous networks.
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All entangled pure states violate a single Bell's inequality.
TL;DR: Gisin's theorem is proved in its most general form from which it follows that for pure states Bell's nonlocality and quantum entanglement are equivalent.
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Synchronization stability of general complex dynamical networks with time-varying delays
TL;DR: In this paper, the synchronization problem of general complex dynamical networks with time-varying delays is investigated, and delay-dependent synchronization criteria in terms of linear matrix inequalities (LMI) are derived based on freeweighting matrices technique and appropriate Lyapunov functional proposed recently.