Optical information transmission through complex scattering media with optical-channel-based intensity streaming.
Optical information transmission through complex scattering media with optical-channel-based intensity streaming.
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DOI：
10.1038/s41467-021-22692-1
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发表时间：
2021-04-23
影响因子：
16.6
通讯作者：
Yang C
中科院分区：
文献类型：
--
作者：
Ruan H;Xu J;Yang C
在过去的十年中，光学波前整形已经成为控制光通过散射介质的标准技术。隐含在这种优势是假设操纵光学干涉是通过散射介质进行光学控制的必要条件。在本文中，我们挑战这一假设，通过一个无序的散射介质光通道为基础的强度流（OCIS）的光控制的替代方法报告。OCIS不是通过波前整形来主动调节光路之间的干涉，而是通过线性强度操作来控制光并通过散射介质传输信息。我们展示了一组OCIS实验，连接到一些波前整形实现，即迭代波前优化，数字光学相位共轭，通过传输矩阵的图像传输，并通过散射介质直接成像。我们通过实验在亚毫秒的时间尺度上通过散射介质创建聚焦模式。我们还表明，OCIS使散射介质介导的安全光通信应用。控制光通过无序散射介质传统上是通过操纵用于波前成形的光学干涉来完成的。在这里，作者提出了基于光通道的强度流，一种通过线性强度操作控制光和传输信息的方法。
For the past decade, optical wavefront shaping has been the standard technique to control light through scattering media. Implicit in this dominance is the assumption that manipulating optical interference is a necessity for optical control through scattering media. In this paper, we challenge this assumption by reporting on an alternate approach for light control through a disordered scattering medium – optical-channel-based intensity streaming (OCIS). Instead of actively tuning the interference between the optical paths via wavefront shaping, OCIS controls light and transmits information through scattering media through linear intensity operations. We demonstrate a set of OCIS experiments that connect to some wavefront shaping implementations, i.e. iterative wavefront optimization, digital optical phase conjugation, image transmission through transmission matrix, and direct imaging through scattering media. We experimentally created focus patterns through scattering media on a sub-millisecond timescale. We also demonstrate that OCIS enables a scattering medium mediated secure optical communication application. Controlling light through disordered scattering media is traditionally done by manipulating optical interference for wavefront shaping. Here, the authors present optical-channel-based intensity streaming, an approach which controls light and transmits information through linear intensity operations.
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