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Chalcogenide Integrated Nanophotonics for 2D Materials Photonic Integration

创建于2019年06月19日 星期三作者 : 科研办 浏览量 :

主讲人:林宏焘,浙江大学特聘研究员
时  间:2019年6月21日10:00
地  点:物电澳门新普京下载A栋219
联系人:赵楚军

 

讲座摘要:Given their superior optical properties and fabrication flexibility, chalcogenide glasses have been recognized as emerging integrated photonic material platforms for all optical signal processing, mid-infrared chemical sensing, etc. Here, through utilizing their amorphous nature and low temperature deposition capability, we developed a new integration strategy to directly deposited and fabricated chalcogenide glass photonics device on graphene. By using this new process, we demonstrate several photonic devices with record performance, include: 1) an on-chip polarizer with a record bandwidth spanning half octave; 2) an on-chip thermo-optic switch with the highest energy efficiency of 10 nm/mW; 3) a broadband mid-IR waveguide-integrated detector with a high responsivity of 250 mA/W and the first waveguide-integrated graphene detector on a flexible substrate; and 4) the first mid-IR waveguide-integrated graphene modulator. Last but not least, we have also demonstrated monolithic integration of chalcogenide photonic components on several other 2-D materials including black phosphorus, MoS2, InSe, etc. The glass-on-2-D-material approach therefore provides a facile universal route for photonic integration based on 2-D materials.

 

主讲人简介:林宏焘,浙江大学特聘研究员,博士生导师。2010年获中国科学技术大学学士学位,2015年获美国特拉华大学博士学位,2015-2018年美国麻省理工澳门新普京下载从事博士后研究,2018年加入浙江大学。研究方向是硫基集成光电子器件及芯片。至今在包括Nature Photonics, Light: Science & Applications, Optica, Nature Communication, ACS Nano, Advance Optical Materials, Optic Letters等发表期刊论文35篇。论文引用次数超1600次,H指数21(google scholar)。在CLEO,MRS,GOMD等领域内国际会议做过十多次口头报告,所做成果曾入选美国光学学会旗下Optics & Photonics News杂志所评2014年度及2018年度光学领域重大进展,并得到Nature.com,ScienceDaily等国际媒体广泛报导。2018年担任美国陶瓷协会玻璃及光学材料学部年会分会主持人。2014年度国家优秀自费留学生奖学金获得者,2018年入选中组部“青年千人”计划。

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