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石墨烯太赫兹调制器及330 GHz无线通信系统
引用本文:刘海涛,文岐业,杨青慧,陈 智,孙丹丹,田 伟,张怀武.石墨烯太赫兹调制器及330 GHz无线通信系统[J].太赫兹科学与电子信息学报,2014,12(4):481-486.
作者姓名:刘海涛  文岐业  杨青慧  陈 智  孙丹丹  田 伟  张怀武
作者单位:State key laboratory of electronic thin films and integrated devices,University of Electronic Science and Technology of China,Chengdu Sichuan 610054,China;State key laboratory of electronic thin films and integrated devices,University of Electronic Science and Technology of China,Chengdu Sichuan 610054,China;State key laboratory of electronic thin films and integrated devices,University of Electronic Science and Technology of China,Chengdu Sichuan 610054,China;Key laboratory of communication anti-jamming technology,University of Electronic Science and Technology of China,Chengdu Sichuan 610054,China;State key laboratory of electronic thin films and integrated devices,University of Electronic Science and Technology of China,Chengdu Sichuan 610054,China;State key laboratory of electronic thin films and integrated devices,University of Electronic Science and Technology of China,Chengdu Sichuan 610054,China;State key laboratory of electronic thin films and integrated devices,University of Electronic Science and Technology of China,Chengdu Sichuan 610054,China
基金项目:国家自然科学基金重点项目(61131005);教育部科学技术研究重大项目(313013);教育部新世纪优秀人才资助计划(NCET-11-0068);四川省杰出青年学术技术带头人计划资助(2011JQ0001);高校博士点专项科研基金资助项目(20110185130002);中国工程物理研究院太赫兹科学技术基金资助项目(CAEPTHZ201207)
摘    要:现有太赫兹无线通信系统通常采用微波倍频或直接调源的方式。本文从太赫兹波空间调制技术出发,研究了一种基于直接调制技术的太赫兹无线通信系统。重点探索了一种基于石墨烯/半导体硅的复合结构(GOS),研究出调制速率达到1 MHz,调制深度50%以上,工作频带覆盖0.2 THz~2 THz频段的新型全光学太赫兹调制器。在此基础上,构建了330 GHz载波频率的太赫兹无线通信系统,实现了1 Mbps的通信速率。

关 键 词:太赫兹通信  330  GHz  石墨烯  太赫兹调制器
收稿时间:4/9/2014 12:00:00 AM
修稿时间:5/9/2014 12:00:00 AM

Graphene terahertz modulator and 330 GHz wireless communication system
LIU Hai-tao,WEN Qi-ye,YANG Qing-hui,CHEN Zhi,SUN Dan-dan,TIAN Wei and ZHANG Huai-wu.Graphene terahertz modulator and 330 GHz wireless communication system[J].Journal of Terahertz Science and Electronic Information Technology,2014,12(4):481-486.
Authors:LIU Hai-tao  WEN Qi-ye  YANG Qing-hui  CHEN Zhi  SUN Dan-dan  TIAN Wei and ZHANG Huai-wu
Institution:LIU Hai-tao;WEN Qi-ye;YANG Qing-hui;CHEN Zhi;SUN Dan-dan;TIAN Wei;ZHANG Huai-wu;State key laboratory of electronic thin films and integrated devices,University of Electronic Science and Technology of China;Key laboratory of communication anti-jamming technology,University of Electronic Science and Technology of China;
Abstract:Currently, there are two methods to develop terahertz wireless communication system. One way is to use the microwave frequency doubling technology. Another approach is to direct modulate THz source. In this paper, different from both, we study a terahertz wireless communication system based on spatial direct modulation mode. We focus on exploring the structure of combining silicon and graphene(Graphene on Silicon, GOS), and have developed a new type of terahertz modulator with 1 MHz modulation rate, over 50% modulation depth and 0.2-2 THz frequency band. According to this study, we design and build a 330 GHz terahertz wireless communication system, and the system has achieved a communication rate of 1 Mbps.
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