Efficient second harmonic generation in a doubly resonant photonic crystal cavity based on a bound state in the continuum
2020 IEEE Photonics Conference (IPC)(2020)
摘要
Making use of bound states in the continuum, we present experimental results on efficient second harmonic generation in photonic crystal cavities supporting doubly-resonant modes. The second harmonic emission is a vortex beam with radial polarization and exhibits highly directional far-field emission in normal direction.
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关键词
Photonic Crystal Cavity,Second Harmonic Generation,Bound state in Continuum,Non-Linear Optics,GaN
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