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Zero-index bound states in the continuum
- 发表刊物：Physical review letters
- 摘要：Metamaterials with an effective zero refractive index associated with their electromagnetic response are sought for a number of applications in communications and nonlinear optics. A promising way that this can be achieved in all-dielectric photonic crystals is through the design of a Dirac cone at zero Bloch wave vector in the photonic band structure. In the optical frequency range, the natural way to implement this design is through the use of a photonic crystal slab. In the existing implementation, however, the zero-index photonic modes also radiate strongly into the environment due to …
- 卷号：121
- 期号：26
- 页面范围：263901
- 是否译文：否
- 发表时间：2018-12-27
