Metasurface-enabled polarization-independent LCoS spatial light modulator for 4K resolution and beyond.
Metasurface-enabled polarization-independent LCoS spatial light modulator for 4K resolution and beyond.
复制标题
DOI：
10.1038/s41377-023-01202-6
复制
发表时间：
2023-06-19
影响因子：
19.4
通讯作者：
Yu, Siyuan
中科院分区：
文献类型：
--
作者：
Zhu, Zhaoxiang;Wen, Yuanhui;Li, Jiaqi;Chen, Yujie;Peng, Zenghui;Li, Jianxiong;Zhu, Lei;Wu, Yunfei;Zhou, Lidan;Liu, Lin;Zong, Liangjia;Yu, Siyuan
凭借高分辨率、小像素尺寸和多级纯相位调制的独特优势，硅基液晶（LCoS）器件提供精确和可重构的空间光调制，从而实现从微显示到光通信的多种应用。然而，LCoS设备长期存在偏振相关响应的问题，因为它们只能对光的一个线性偏振进行相位调制，而对于大多数应用来说，偏振无关相位调制是必不可少的，必须使用复杂的偏振分集光学器件。我们首次提出并演示了一种LCoS器件，该器件通过在LCoS背板和液晶相位调制层之间嵌入一个偏振旋转超表面，直接实现了4K及以上分辨率的通信波长下的高性能偏振无关相位调制。我们用许多典型的偏振无关应用功能验证了该器件，包括光束导向，全息显示，以及关键的光开关元件-波长选择开关（WSS），证明了在配置简化和性能改进方面的显着优势。我们提出并演示了一种嵌入超表面的LCoS器件，该器件在4K及更高分辨率的电信波长下实现与偏振无关的相位调制。
With the distinct advantages of high resolution, small pixel size, and multi-level pure phase modulation, liquid crystal on silicon (LCoS) devices afford precise and reconfigurable spatial light modulation that enables versatile applications ranging from micro-displays to optical communications. However, LCoS devices suffer from a long-standing problem of polarization-dependent response in that they only perform phase modulation on one linear polarization of light, and polarization-independent phase modulation—essential for most applications—have had to use complicated polarization-diversity optics. We propose and demonstrate, for the first time, an LCoS device that directly achieves high-performance polarization-independent phase modulation at telecommunication wavelengths with 4K resolution and beyond by embedding a polarization-rotating metasurface between the LCoS backplane and the liquid crystal phase-modulating layer. We verify the device with a number of typical polarization-independent application functions including beam steering, holographical display, and in a key optical switching element - wavelength selective switch (WSS), demonstrating the significant benefits in terms of both configuration simplification and performance improvement. We propose and demonstrate a metasurface-embedded LCoS device that achieves polarization-independent phase modulation at telecommunication wavelengths with 4K resolution and beyond.
登录
查看更多内容
影响因子：
13.6
作者：
Shusteff M;Browar AEM;Kelly BE;Henriksson J;Weisgraber TH;Panas RM;Fang NX;Spadaccini CM
通讯作者：
Spadaccini CM
影响因子：
1.9
作者：
Apter, B;Efron, U;Bahat-Treidel, E
通讯作者：
Bahat-Treidel, E
影响因子：
2.2
作者：
Gauza, S;Li, J;Cheng, KL
通讯作者：
Cheng, KL
影响因子：
2.6
作者：
Moore, J. R.;Collings, N.;Xu, H.
通讯作者：
Xu, H.
影响因子：
56.9
作者：
Joo, Won-Jae;Kyoung, Jisoo;Brongersma, Mark L.
通讯作者：
Brongersma, Mark L.