arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2004.01818physics.opticsphysics.app-ph
收藏

低损耗零折射率材料

Low-loss Zero-Index Materials

Haoning Tang, Clayton DeVault, Phil Camayd-Munoz, Yueyang Liu, Danchen Jia, Fan Du, Olivia Mello, Daryl I. Vulis, Yang Li, Eric Mazur

摘要:

折射率为零的材料支持表现出固定相位分布的电磁模式。虽然这种材料已经在可见光和近红外光谱范围内实现,但辐射和耗散光学损耗阻碍了它们的发展。我们通过引入高Q共振,通过共振捕获和保护的状态,减少在零指数,片上光子晶体的损失。使用这些方法,我们实验获得的品质因数为2.6*10^3和7.8*10^3在近红外波长,相应的数量级减少的传播损耗比以前的设计。我们的工作提供了一个可行的方法来制作低损耗的零折射率片上纳米光子器件。

英文摘要:

Materials with a zero refractive index support electromagnetic modes that exhibit stationary phase profiles. While such materials have been realized across the visible and near-infrared spectral range, radiative and dissipative optical losses have hindered their development. We reduce losses in zero-index, on-chip photonic crystals by introducing high-Q resonances via resonance-trapped and symmetry-protected states. Using these approaches, we experimentally obtain quality factors of 2.6*10^3 and 7.8*10^3 at near-infrared wavelengths, corresponding to an order-of-magnitude reduction in propagation loss over previous designs. Our work presents a viable approach to fabricate zero-index on-chip nanophotonic devices with low-loss.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑