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Recent advances in program synthesis offer means to automatically debug student submissions and generate personalized feedback in massive programming classrooms. When automatically generating feedback for programming assignments, a key challenge is designing pedagogically useful hints that are as effective as the manual feedback given by teachers. Through an analysis of teachers' hint-giving practices...
High quality factor (Q) whispering-gallery mode (WGM) microcavities have been investigated for nonlinear optics, because they provide strong light confinement. Although the third-order nonlinear susceptibility X(3) is small, third-order nonlinear effects, such as four-wave mixing (FWM), stimulated Raman scattering (SRS), and third-harmonic generation (THG), are pronounced in a high-Q microcavity....
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