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arXiv 2103.12254physics.optics
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集成硅光子学中的一维自愈光束

1D self-healing beams in integrated silicon photonics

Zhuoran Fang, Rui Chen, Albert Ryou, Arka Majumdar

摘要:

自从光学艾里光束的第一次实验观察以来,从粒子和细胞微操纵到激光微加工的各种应用都利用了它们的非衍射和加速特性。后来发现艾里光束在被障碍物阻挡后可以自愈,进一步证明了它在散射和无序环境下的鲁棒性。在这里,我们报告的艾里光束的集成硅光子芯片上的产生,并证明,在芯片上的一维艾里光束保持相同的属性作为2D光束。用于产生艾里光束的1D元光学器件的尺寸仅为3 × 16微米,比传统光学器件小至少三个数量级。这里展示的片上自修复光束可能使片上光网络的无衍射光路由和集成光子芯片上生物分子的高精度微操作成为可能。

英文摘要:

Since the first experimental observation of optical Airy beams, various applications ranging from particle and cell micromanipulation to laser micromachining have exploited their non-diffracting and accelerating properties. The later discovery that Airy beams can self-heal after being blocked by an obstacle further proved their robustness to propagate under scattering and disordered environment. Here, we report the generation of Airy beams on an integrated silicon photonic chip and demonstrate that the on-chip 1D Airy beams preserve the same properties as the 2D beams. The 1D meta-optics used to create the Airy beam has the size of only 3 by 16 microns, at least three orders of magnitude smaller than the conventional optic. The on-chip self-healing beams demonstrated here could potentially enable diffraction-free light routing for on-chip optical networks and high-precision micromanipulation of bio-molecules on an integrated photonic chip.

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