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Doubly resonant second-harmonic generation of a vortex beam from a bound state in the continuum. (arXiv:2005.10355v1 [physics.optics]) http://arxiv.org/abs/2005.10355
Doubly resonant second-harmonic generation of a vortex beam from a bound state in the continuum. (arXiv:2005.10355v1 [physics.optics]) http://arxiv.org/abs/2005.10355