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Creators/Authors contains: "WU, Ming C."

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  1. A fabrication tolerant Si grating coupler for 1.762 µm operation is optimized with inverse design, allowing for −30 dB crosstalk between a pair of133Ba+trapped ion qubits within expected fabrication variation. 
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  2. null (Ed.)
  3. Optical phased arrays (OPAs) are key enabling elements for solid-state LiDAR (light detection and ranging) and three-dimensional (3-D) imaging without bulk mechanical moving parts [1]. Solid state LiDARs are highly sought after for self-driving cars and autonomous vehicles [2,]. OPA's are also instrumental for free-space communications [3], optical switches [4], and holographic displays [5]. OPAs are capable of sophisticated beamforming such as scanning and simultaneous pointing/tracking of multiple objects. Narrow beam divergence and large field of views (FOVs) are desirable for these applications. 
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  4. We present a two-dimensional ultra large aperture optical phase array (OPA) with 160×160 elements enabled with optical microelectromechanical system (MEMS). The random access beamsteering up to 4.4°×4.6° scanning range at 1550nm is demonstrated. 
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