2023 IEEE Research and Applications of Photonics in Defense Conference (RAPID)（2023）
Department of Electrical and Computer Engineering
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摘要
Waveguide gratings with structured period provide controllable ratio between coupling coefficients in different diffraction orders and allow for control of resonant reflection spectra. We report conceptual model, numerical studies, and fabrication of GaN structured period waveguide gratings designed for the mid-IR spectral range.
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