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Doping-induced plateau of strong electromagnetic confinement in the momentum space

机译:掺杂诱导的动量空间中强电磁禁闭的高原

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In this Letter, we present a design strategy for the realization of electrically powered bound states in the continuum (BIC) lasers. Despite growing attention of the optics community for BICs, practical uses of BICs in an active device are still unestablished. A large index contrast and out-of-plane symmetries that aid the formation of BICs are not trivial to achieve using conventional approaches for semiconductor laser design. Here, we propose a doping scheme to circumvent this issue. We also show that the introduction of material absorption due to carriers deteriorates the quality factor of BIC modes and show that a suitable compromise between electrical conductivity and optical loss can be achieved. (C) 2020 Optical Society of America
机译:在这封信中,我们介绍了实现连续体(BIC)激光器中的电动绑定状态的设计策略。 尽管对BICS的光学界越来越高,但是,在有源设备中的实际用途仍然未建。 辅助BIC的形成的大折射率对比度和面外对称性对于使用半导体激光器设计的传统方法来实现不普遍。 在这里,我们提出了一种掺杂方案来规避这个问题。 我们还表明,由于载体引起的材料吸收劣化了BIC模式的质量因子,并且可以实现电导率和光学损耗之间的合适折衷。 (c)2020美国光学学会

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