Research progress of liquid crystal terahertz photonics

WANG Lei; WU Shuang-yue; ZONG Gu-wei; JIN Ping; ZHANG Xu; SONG Rui-qi; LI Bing-xiang; HU Wei; LU Yan-qing

doi:10.37188/CJLCD.2022-0370

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Research progress of liquid crystal terahertz photonics

Device Physics and Device Preparation | 更新时间：2023-04-10

- Research progress of liquid crystal terahertz photonics
- Chinese Journal of Liquid Crystals and Displays Vol. 38, Issue 4, Pages: 419-431(2023)
- 作者机构：
  
  1.南京邮电大学电子与光学工程学院、柔性电子（未来技术）学院，江苏南京 210023
  2.南京大学现代工程与应用科学学院固体微结构物理国家重点实验室，江苏南京 210093
  3.东南大学毫米波国家重点实验室，江苏南京 210096
- 作者简介：
- 基金信息：
  
  the National Key Research and Development Program of China(2022YFA1405000);Natural Science Foundation of Jiangsu Province(K20211277);China Postdoctoral Science Foundation(2019M651768;2020T130285);Frontier Leading Technology Basic Research Project of Jiangsu Province(BK20212004)
- DOI：10.37188/CJLCD.2022-0370
  CLC：
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WANG Lei, WU Shuang-yue, ZONG Gu-wei, et al. Research progress of liquid crystal terahertz photonics. [J]. Chinese Journal of Liquid Crystals and Displays 38(4):419-431(2023)
DOI：

WANG Lei, WU Shuang-yue, ZONG Gu-wei, et al. Research progress of liquid crystal terahertz photonics. [J]. Chinese Journal of Liquid Crystals and Displays 38(4):419-431(2023) DOI： 10.37188/CJLCD.2022-0370.

摘要

液晶作为液态和固态之间的中间态，具有液体的流动性和晶体的各向异性，其指向矢灵活可调，从微波到紫外都有广泛应用。近年来液晶光子学在太赫兹波段展现出巨大应用前景，本文综述了基于液晶的太赫兹源、可调太赫兹器件和太赫兹探测器的研究进展，探讨了未来液晶太赫兹光子学的发展趋势，如新型铁电向列相、液晶拓扑在太赫兹领域的应用，多模式、多参量的太赫兹波按需产生、调制与探测等。

Abstract

Liquid Crystal （LC）， as an intermediate state between liquid and solid， has the fluidity of liquid and the anisotropy of crystal， and its director is flexible and tunable. It has a wide range of applications from microwave to ultraviolet. In recent years， LC photonics has shown great application prospects in the terahertz band. This paper reviews the research progress of LC-based terahertz sources， tunable terahertz devices and terahertz detectors， and discusses the future development of LC terahertz photonics such as ferroelectric nematic phase， liquid crystal topology， as well as multi-mode and multi-parameter on demand terahertz wave generation， modulation and detection.

关键词

液晶太赫兹源太赫兹器件太赫兹探测器

Keywords

liquid crystalsterahertz sourcesterahertz devicesterahertz detectors

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College of Electronic and Optical Engineering & College of Flexible Electronics， Nanjing University of Posts and Telecommunications

National and Local Joint Engineering Laboratory of RF Integration and Micro-Assembly Technology， Nanjing University of Posts and Telecommunications

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College of Mechanical Engineering， North China University of Science and Technology

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