Enhanced Third-Harmonic Generation in Diamond Photonic Crystal Slabs via Doubly Resonant Quasi-Bound States in the Continuum
本文提出并数值验证了一种金刚石光子晶体平板设计,该设计通过双共振准连续域态(quasi-bound state in the continuum)同时使基模和三倍频模发生共振,从而实现了增强的三倍频产生,并获得了在可见光至深紫外波段范围内的高转换效率和可调谐性。