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High-performance fiber-integrated multifunctional graphene-optoelectronic device with photoelectric detection and optic-phase modulation

查看全文 作　　者：LINQING [1]ZHUO;PENGPENG [1]FAN;SHUANG [1]ZHANG;YUANSONG [2]ZHAN;YANMEI LINYU [1]ZHANG;DONGQUAN [2]LI;ZHEN [1]CHE;WENGUO [3]ZHU;HUADAN [2]ZHENG;JIEYUAN [2]TANG;JUN [1]ZHANG;YONGCHUN [3]ZHONG;WENXIAO [4]FANG;GUOGUANG [4]LU;JIANHUI [1]YU;ZHE [2,3]CHEN 高影响力作者 机构地区：[1]Key Laboratory of Optoelectronic Information and Sensing Technologies of Guangdong Higher Education Institutes,Department of Optoelectronic Engineering,Jinan University,Guangzhou 510632,China;[2]Engineering Research Center on Visible Light Communication of Guangdong Province,Department of Optoelectronic Engineering,Jinan University,Guangzhou 510632,China;[3]Key Laboratory of Visible Light Communications of Guangzhou,Jinan University,Guangzhou 510632,China;[4]Science and Technology on Reliability Physics and Application of Electronic Component Laboratory,China Electronic Product Reliability and Environmental Testing Research Institute,Guangzhou 510610,China高影响力机构 出　　处：《Photonics Research》索引2020年第8卷第12期,共9页高影响力期刊 基　　金：State Key Laboratory of Applied Optics(SKLAO-201914);Fundamental Research Funds for the Central Universities(11618413,21619402);Foundation for Distinguished Young Talents in Higher Education of Guangdong(2018KQNCX009);Open Foundation of CEPREI(19D09);Joint Fund of Pre-Research for Equipment,Ministry of Education of China(6141A02022124);Aeronautical Science Foundation of China(201708W4001,201808W4001);Planned Science Technology Project of Guangzhou(2016B010111003,201707010396);Project of Guangzhou Industry Leading Talents(CXLJTD-201607);Key-Area Research and Development Program of Guangdong Province(2015B010125007,2017A010102006,2019B010138004);Natural Science Foundation of Guangdong Province(2016A030311019,2016A030313079,2017A030313375,2019A1515011380,2020B1515020024);National Natural Science Foundation of China(61601404,61675092,61705086)。 摘　　要：In graphene-based optoelectronic devices,the ultraweak interaction between a light and monolayer graphene leads to low optical absorption and low responsivity for the photodetectors and relative high half-wave voltage for the phase modulator.Here,an integration of the monolayer graphene onto the side-polished optical fiber is demonstrated,which is capable of providing a cost-effective strategy to enhance the light–graphene interaction,allowing us to obtain a highly efficient optical absorption in graphene and achieve multifunctions:photodetection and optical phase modulation.As a photodetector,the device has ultrahigh responsivity(1.5×10^(7) A/W)and high external quantum efficiency(>1.2×10^(9)%).Additionally,the polybutadiene/polymethyl methacrylate(PMMA)film on the graphene can render the device an optical phase modulator through the large thermo-optic effect of the PMMA.As a phase modulator,the device has a relatively low half-wave voltage of 3 V with a 16 dB extinction ratio in Mach–Zehnder interferometer configuration. 关 键 词：OPTOELECTRONIC FIBER MODULATOR
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