Liquid‐Crystal‐Mediated Active Waveguides toward Programmable Integrated Optics,Advanced Optical Materials

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Liquid‐Crystal‐Mediated Active Waveguides toward Programmable Integrated Optics
Advanced Optical Materials ( IF 8.0 ) Pub Date : 2020-03-18 , DOI: 10.1002/adom.201902033
Ting Wei ₁ , Peng Chen _{1,

2} , Ming‐Jie Tang ₁ , Guang‐Xing Wu ₁ , Zhao‐Xian Chen ₁ , Zhi‐Xiong Shen ₁ , Shi‐Jun Ge _{1,

2} , Fei Xu ₁ , Wei Hu _{1,

2} , Yan‐Qing Lu ₁

Affiliation

Optics, playing an ever‐important role in life, is developing toward miniaturization and integration. Particularly, the field programming of integrated optics will benefit its functionality and durability, thus is highly pursued. Here, through precisely controlling the space‐variant orientations of anisotropic liquid crystals (LCs), various graded‐index waveguides are demonstrated in a homogeneous medium. Straight/bending waveguides and ring resonators are fabricated via LC photopatterning. They exhibit pronounced polychromatic light‐guiding performance. Thanks to their intrinsic external‐stimuli responsivity, the thermal switchability and polarization tunability are verified. By selectively polymerizing, robust functional components and active connecting waveguides can be realized on the same chip. It provides a practical and universal solution to programmable integrated optics, and extends the applications of microstructured soft matter even in wearable photonics.

中文翻译：

液晶介导的有源波导，面向可编程集成光学

光学在生活中起着至关重要的作用，正在朝着小型化和集成化发展。特别地，集成光学的现场编程将有益于其功能性和耐用性，因此受到高度追捧。在这里，通过精确控制各向异性液晶（LCs）的空间变化取向，在均匀介质中展示了各种渐变折射率波导。直线/弯曲波导和环形谐振器是通过LC光电图案制造的。它们表现出明显的多色导光性能。由于其固有的外部刺激响应性，因此验证了热开关性和极化可调性。通过选择性聚合，可以在同一芯片上实现坚固的功能组件和有源连接波导。

更新日期：2020-03-18

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