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| 1 | Terahertz Band: Lighting up Next-Generation Wireless Communications显示文摘With the explosion of wireless data rates,the terahertz(THz)band(0.1–10 THz)is envisioned as a promising candidate to break the existing bandwidth bottleneck and satisfy the ever-increasing capacity demand.The THz wireless communications feature a number of attractive properties,such as potential terabit-per-second capacity and high energy efficiency.In this paper,an overview on the state-of-the-art THz communications is studied,with a special focus on key technologies of THz transceivers and THz communication systems.The recent progress on both electronic and photonic THz transmitters are presented,and then the THz receivers operating in direct-and heterodyne reception modes are individually surveyed.Based on the THz transceiver schemes,three kinds of THz wireless communication systems are reviewed,including solid-state electronic systems,photonics-assisted systems and all-photonics systems.The prospective key enabling technologies,corresponding challenges and research directions for lighting up high-speed THz communication systems are discussed as well. | Hongqi Zhang Lu Zhang Xianbin Yu | 2021 | China Communications2021，18，5： | 4 |
| 2 | Research progress in terahertz quantum cascade lasers显示文摘The terahertz(THz)quantum cascade laser(QCL)is a coherent THz source based on intersubband transitions of unipolar carriers.As semiconductor lasers,THz QCLs are solid-state,electrically pumped,tunable,and can be easily integrated.This paper reviews the state of the art for the design,operation temperature,and output power of THz QCLs.Their applications in THz communication and imaging are also discussed. | CAO JunCheng | 2012 | Science China(Information Sciences)2012，55，1： | 3 |
| 3 | 太赫兹量子级联激光器制备及其成像应用显示文摘太赫兹辐射源是太赫兹频段应用的关键器件.全固态相干太赫兹量子级联激光器作为一种重要的太赫兹辐射源具有能量转换效率高、体积小、轻便和易集成等优点.介绍了太赫兹量子级联激光器在激射频率和最高工作温度方面的研究进展,重点讨论了太赫兹量子级联激光器的制作工艺和测试方法.最后简单概述了太赫兹量子级联激光器在成像领域的应用. | 黎华 曹俊诚 | 2008 | 中国科学(G辑)2008，38，5： | 2 |
| 4 | 低阈值连续波工作的2.9 THz量子级联激光器显示文摘为了获得低阈值连续波工作太赫兹源,采用固源分子束外延技术生长了Ga As/Al Ga As束缚态向连续态跃迁的太赫兹量子级联激光器(QCL)有源区,基于半绝缘-等离子体波导工艺制作了太赫兹量子级联激光器。获得了激光器(腔面未镀高反射膜)的发射光谱和相应的输出特性等性能,其中器件在10 K工作温度、350 m A激励电流下的中心频率为2.93 THz,连续波工作模式的阈值电流密度为156 A/cm2,器件的最大光输出功率为7.84 m W,最高工作温度为62 K。 | 蒋涛 湛治强 沈昌乐 杨宁 邓青华 王雪敏 楚卫东 吴卫东 段素青 唐永建 | 2016 | 太赫兹科学与电子信息学报2016，14，5： | 2 |
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