三维光子芯片上的裁剪光:一个多用途OAM模式光互连平台

IF 20.6 1区 物理与天体物理 Q1 OPTICS
Jue Wang, Chengkun Cai, Feng Cui, Min Yang, Yize Liang, Jian Wang
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引用次数: 2

摘要

摘要数据流量需求的爆炸式增长促使人们探索光波的空间维度,这为扩大数据传输容量提供了一定程度的自由度。基于体积庞大的光学器件的各种技术已经被提出在空间维度上裁剪光波。然而,它们固有的大尺寸、额外的损耗和精确的对齐要求使得这些技术相对难以以紧凑和灵活的方式实现。相比之下,三维(3D)光子芯片具有紧凑的尺寸和低损耗,为在空间维度上定制光提供了一个有前途的小型化候选者。值得注意的是,它们对于芯片辅助的短距离空间模式光学互连具有吸引力,这对笨重的光学器件具有挑战性。在此,我们提出并制造了飞秒激光雕刻的三维光子芯片,以定制空间维度的轨道角动量(OAM)模式。实验证明了三维光子芯片平台上的各种功能,包括OAM模式的生成、(解)复用和交换。此外,实验还证明了采用OAM模式的片片和片-光纤片短距离光互连具有良好的性能。这项工作为在3D光子芯片上灵活定制光波铺平了道路,并为多功能光学互连和其他具有空间模式的新兴应用提供了紧凑的解决方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Tailoring light on three-dimensional photonic chips: a platform for versatile OAM mode optical interconnects
Abstract. Explosive growth in demand for data traffic has prompted exploration of the spatial dimension of light waves, which provides a degree of freedom to expand data transmission capacity. Various techniques based on bulky optical devices have been proposed to tailor light waves in the spatial dimension. However, their inherent large size, extra loss, and precise alignment requirements make these techniques relatively difficult to implement in a compact and flexible way. In contrast, three-dimensional (3D) photonic chips with compact size and low loss provide a promising miniaturized candidate for tailoring light in the spatial dimension. Significantly, they are attractive for chip-assisted short-distance spatial mode optical interconnects that are challenging to bulky optics. Here, we propose and fabricate femtosecond laser-inscribed 3D photonic chips to tailor orbital angular momentum (OAM) modes in the spatial dimension. Various functions on the platform of 3D photonic chips are experimentally demonstrated, including the generation, (de)multiplexing, and exchange of OAM modes. Moreover, chip-chip and chip–fiber–chip short-distance optical interconnects using OAM modes are demonstrated in the experiment with favorable performance. This work paves the way to flexibly tailor light waves on 3D photonic chips and offers a compact solution for versatile optical interconnects and other emerging applications with spatial modes.
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来源期刊
CiteScore
22.70
自引率
1.20%
发文量
49
审稿时长
18 weeks
期刊介绍: Advanced Photonics is a highly selective, open-access, international journal that publishes innovative research in all areas of optics and photonics, including fundamental and applied research. The journal publishes top-quality original papers, letters, and review articles, reflecting significant advances and breakthroughs in theoretical and experimental research and novel applications with considerable potential. The journal seeks high-quality, high-impact articles across the entire spectrum of optics, photonics, and related fields with specific emphasis on the following acceptance criteria: -New concepts in terms of fundamental research with great impact and significance -State-of-the-art technologies in terms of novel methods for important applications -Reviews of recent major advances and discoveries and state-of-the-art benchmarking. The journal also publishes news and commentaries highlighting scientific and technological discoveries, breakthroughs, and achievements in optics, photonics, and related fields.
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