We show that nanophotonics can provide a compact and versatile platform to generate controllable space-time light. We will present three of our recent works: 1. Creating structured 3D linear space-time light bullets i...
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Modern dynamical systems are generally non-linear, which make traditional linear controllers infeasible in some cases. To cope with the need for controlling such modern systems, researchers have developed robust nonli...
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In modern healthcare, cloud-based e-health technology offers substantial benefits but faces significant security challenges. Sensitive patient data is vulnerable to cyber threats during transmission and storage, poten...
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This work presents the design, characterization, and optimization of a monolithically integrated two-stage GaN gate driver. The individually combinable stages provide a high degree of flexibility and can realize diffe...
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We propose the generation of 3D linear light bullets propagating in free space using a single passive optical surface. The device is a single-layer photonic crystal slab. It can automatically transform an incident con...
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We establish tight bounds for resonant nonlinear optical susceptibilities based on Thomas-Reiche-Kuhn (TRK) sum rules, and demonstrate that inverse-designed quantum wells (QWs) can approach these bounds within 20%, fo...
We develop protocols that can entangle remote, optically distinguishable qubits in a way that’s robust to optical spectral diffusion. We demonstrate bipartite and tripartite entanglement of single rare-earth ions dis...
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This article is concerned with a new optimization problem named 'phase change rate maximization' for single-input-single-output linear time-invariant systems. The problem relates to two control problems, namel...
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