刘仿 - 清华大学 - 电子工程系

个人简介

刘仿，博士生导师，清华大学电子系，长聘教授，教育部青年长江学者。 2008年毕业于清华大学电子工程系（博士学位），被评为清华大学优秀博士论文和优秀博士毕业生，毕业后留校任教。2015年国家公派访问学者，赴美国加州大学伯克利分校交流。刘仿博士在微纳结构光电子器件的研究中取得多项创新性研究成果。在Nature Photonics、Photonics Research、Optica、Scientific Reports、Applied Physics letters、Optics Express等杂志上发表SCI论文60余篇，SCI他引千余次。作为负责人承担科技部重点专项课题、北京市重点项目课题、国家自然科学基金项目、教育部博士点基金项目。近几年在自由电子与微纳结构相互作用的研究中取得突破，解决了切伦科夫辐射需要极高电子速度这一科学界几十年来的难题，同时实现了世界上第一个集成自由电子光源，成果于2017年发表于《Nature Photonics》，作为编辑推荐文章置于当期网站主页，入选“2017年中国光学十大进展”。此外，利用纳米狭缝光栅结构和自由电子的相互作用，将Smith-Purcell辐射的波长拓展到深紫外波段；利用平面全息光栅与自由电子相互作用，理论研究了产生涡旋Smith-Purcell辐射的方法；基于预群聚电子诱导的受激Smith-Purcell辐射，获得超窄线宽（300Hz）小型化的自由电子THz（0.3THz）的辐射源。教育经历 2008年：获博士学位，清华大学校级优秀博士论文 2003~2008 清华大学电子工程系攻读博士学位 1999~2003 北京理工大学光电工程系，电子科学与技术专业工作经历 2021年7月~至今: 清华大学电子工程系长聘教授 2018年1月~2021年6月: 清华大学电子工程系长聘副教授 2016年2月～2017年12月:清华大学电子工程系准聘副教授 2014年12月~2015年12月:美国加州大学伯克利分校访问学者 2011年12月～2016年1月:清华大学电子工程系副教授 2008年7月～2011年11月:清华大学电子工程系助理研究员

近期论文

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Mengxuan Wang, Fang Liu, Yuechai Lin, Kaiyu Cui, Xue Feng, Wei Zhang, and Yidong Huang, “Vortex Smith–Purcell radiation generation with holographic grating,” Photonics Research 8, 1309 (2020). Tuo Qu, Fang Liu, Yuechai Lin, Kaiyu Cui, Xue Feng, Wei Zhang, Yidong Huang, “Cherenkov radiation generated in hexagonal boron nitride using extremely low-energy electrons,” Nanophotonics 9, 1491 (2020). Yu Ye, Fang Liu, Mengxuan Wang, Lixuan Tai, Kaiyu Cui, Xue Feng, Wei Zhang, and Yidong Huang, “Deep-ultraviolet Smith?Purcell radiation,” Optica, 6, 592 (2019). Yu Ye, Fang Liu, Kaiyu Cui, Xue Feng, Wei Zhang, and Yidong Huang, “Free electrons excited SPASER,” Optics Express, 26, 31402 (2018). Fang Liu, Long Xiao, Yu Ye, Mengxuan Wang, Kaiyu Cui, Xue Feng, Wei Zhang, Yidong Huang, “Integrated Cherenkov Radiation Emitter Eliminating the Electron Velocity Threshold,” Nature Photonics, 11, 289 (2017). Fengyu Zhou, Fang Liu, Long Xiao, Kaiyu Cui, Xue Feng, Wei Zhang, Yidong Huang, “Extending the Frequency Range of Surface Plasmon Polariton Mode with Meta-Material,” Nano-Micro Lett. 9 (1), 9 (2017). Fang Liu, Yun-Xiang Li, and Yi-Dong Huang, "Nanolithography based on two-surface- plasmon-polariton-absorption," ACTA PHYSICA SINICA (物理学报), 66, 148101 (2017). Zelin Lu, Xujie Pan, Yingzhuang Ma, Yu Li, Lingling Zheng, Danfei Zhang, Qi Xu, Zhijian Chen, Shufeng Wang, Bo Qu, Fang Liu, Yidong Huang, Lixin Xiao, Qihuang Gong “Plasmonic-enhanced perovskite solar cells using alloy popcorn nanoparticles,” RSC Adv., 5, 11175-11179 (2015). Yunxiang Li, Fang Liu, Yu Ye, Weisi Meng, Kaiyu Cui, Xue Feng, Wei Zhang, and Yidong Huang, “Two-surface-plasmon-polariton-absorption based lithography using 400nm femtosecond laser,” Applied Physics Letters, 104, 081115 (2014). Qi Xu, Fang Liu, Yuxiang Liu, Weisi Meng, Kaiyu Cui, Xue Feng, Wei Zhang, and Yidong Huang “Aluminum plasmonic nanoparticles enhanced dye sensitized solar cells,” Optics Express, 22(S2): A301 (2014). X Wang, F Liu, A Liu, B Fan, K Cui, X Feng, W Zhang, Y Huang, “Optical fiber sensor based on the short-range surface plasmon polariton mode,” Chinese Optics Letters 12 (1), 010602 (2014). Boyu Fan, Fang Liu, Yunxiang Li, Xiaoyan Wang, Kaiyu Cui, Xue Feng, Wei Zhang, Yidong Huang, “Integrated refractive index sensor based on hybrid coupler with short range surface plasmon polariton and dielectric waveguide,” Sensors and Actuators B: Chemical, 186, 495?505 (2013). Qi Xu, Fang Liu, Yuxiang Liu, Kaiyu Cui, Xue Feng, Wei Zhang, Yidong Huang, “Broadband light absorption enhancement in dye-sensitized solar cells with Au-Ag alloy popcorn nanoparticles,” Scientific reports 3, 2112 (2013). B Fan, F Liu, X Wang, Y Li, K Cui, X Feng, Y Huang, “Integrated sensor for ultra-thin layer sensing based on hybrid coupler with short-range surface plasmon polariton and dielectric waveguide,” Applied Physics Letters 102 (6), 061109-061109-4 (2013). Fang Liu, Wanlu Xie, Qi Xu, Yuxiang Liu, Kaiyu Cui, Xue Feng, Wei Zhang and Yidong Huang, “Plasmonic Enhanced Optical Absorption in Organic Solar Cells with Metallic Nanoparticles,” IEEE Photonics Journal, 5, 8400509 (2013). F. Liu, D. Qu, Q. Xu, X. Pan, K. Cui, X. Feng, W. Zhang, Y. Huang, “Efficiency Enhancement in Organic Solar Cells With Extended Resonance Spectrum of Localized Surface Plasmon,” IEEE Photonics Journal, 5, 8400307 (2013). Y Li, F Liu, L Xiao, K Cui, X Feng, W Zhang, Y Huang, “Two-surface-plasmon-polariton- absorption based nanolithography,” Applied Physics Letters, 102, 063113 (2013). Yunxiang Li, Fang Liu, Yidong Huang, Boyu Fan, Ruiyuan Wan, “Coupling between second-order mode in dielectric waveguide and fundamental mode in long range surface plasmon waveguide,” Optics Communications, 289, 60?63 (2013). Qi Xu, Fang Liu, Weisi Meng, and Yidong Huang, “Plasmonic core-shell metal-organic nanoparticles enhanced dye-sensitized solar cells,” Optics Express, 20(S6): A898 (2012). B. Fan, F. Liu, Y. Li, Y. Huang, Y. Miura, D. Ohnishi, “Refractive index sensor based on hybrid coupler with short-range surface plasmon polariton and dielectric waveguide”, Applied Physics Letters, 100, 111108 (2012). Di Qu, Fang Liu, Jiafan Yu, Wanlu Xie, Qi Xu, Xiangdong Li, and Yidong Huang, “Plasmonic core-shell gold nanoparticle enhanced optical absorption in photovoltaic devices”, Applied Physics Letters, 98(11): 113119 (2011) Di Qu, Fang Liu, Yidong Huang, Wanlu Xie, and Qi Xu, “Mechanism of optical absorption enhancement in thin film organic solar cells with plasmonic metal nanoparticles,” Optics Express, 19(24): 24795 (2011). Fang Liu, Yunxiang Li, Ruiyuan Wan, Yidong Huang, Xue Feng, and Wei Zhang, “Hybrid Coupling Between Long-Range Surface Plasmon Polariton Mode and Dielectric Waveguide Mode”, IEEE Journal of Lightwave Technology, 29(9): 1265 ? 1273 (2011). Ruiyuan Wan, Fang Liu, and Yidong Huang, “Ultrathin layer sensing based on hybrid coupler with short-range surface plasmon polariton and dielectric waveguide,” Opt. Lett. 35, 244 (2010). R Wan, F Liu, Y Huang, S Hu, B Fan, Y Miura, D Ohnishi, Y Li, H Li, Y Xia “Excitation of short range surface plasmon polariton mode based on integrated hybrid coupler,” Applied Physics Letters 97 (14), 141105-141105-3 (2010). Ruiyuan Wan, Fang Liu, Xuan Tang, Yidong Huang, Jiangde Peng, “Vertical coupling between short range surface plasmon polariton mode and dielectric waveguide mode,” Appl. Phys. Lett. 94, 141104 (2009). Fang Liu, Ruiyuan Wan, Yunxiang Li, Yidong Huang, Yoshikatsu Miura, Dai Ohnishi, and Jiangde Peng, “Extremely high efficient coupling between long range surface plasmon polariton and dielectric waveguide mode,” Appl. Phys. Lett. 95, 091104 (2009). Fang Liu, Ruiyuan Wan, Yidong Huang, Jiangde Peng, “Refractive index dependence of the coupling characteristics between long range surface plasmon polariton and dielectric waveguide modes,” Opt. Lett. 34, 2697 (2009). Fang Liu, Ruiyuan Wan, Yi Rao, Yuxin Zheng, Yidong Huang, Wei Zhang, and Jiangde Peng, “Hybrid three-arm coupler consisted of long range surface plasmon polariton and dielectric waveguides,” J. Lightw. Technol. 26, 3872 (2008). Fang Liu, Yi Rao, Yidong Huang, Wei Zhang, Jiangde Peng, “Coupling between long range surface plasmon polariton mode and dielectric waveguide mode,” Appl. Phys. Lett. 90, 141101 (2007). Fang Liu, Yi Rao, Xuan Tang, Ruiyuan Wan, Yidong Huang, Wei Zhang, Jiangde Peng, “Hybrid three-arm coupler with long range surface plasmon polariton and dielectric waveguides,” Appl. Phys. Lett. 90, 241120 (2007). Fang Liu, Yi Rao, Yidong Huang, Wei Zhang, Jiangde Peng, “Abnormal cutoff thickness of long range surface plasmon polariton modes guided by thin metal films,” Chinese Physics Letters, 24(12), 3462-3465 (2007). Yi Rao, Fang Liu, Yidong Huang, Dai Ohnishi, Wei Zhang, Jiangde Peng “Long-range surface plasmon polaritons guided by a thin metal stripe,” Chinese Physics Letters, 24(6): 1626-1628 (2007).

个人简介

研究领域

近期论文