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University of Oklahoma Prof. Rui Q. Yang 6月26日下午学术报告
发布时间:2019-06-18 点击:10

报告人:Prof. Rui Q. Yang, University of Oklahoma

报告题目:Mid-Infrared Semiconductor Optoelectronic Devices and Their Applications: Present and Future Prospects

报告时间:2019626日(星期三)下午2

报告地点:909-B


Abstract

Mid-infrared (IR) semiconductor optoelectronic devices such as lasers and photodetectors are required for many applications in chemical sensing, greenhouse gas/pollution and pipeline monitoring, homeland security, industrial process control, medical diagnostics, and many other practical applications.In the past, many applications were primarily limited by the lack of efficient mid-IR semiconductor lasers operating at room temperature.Since the emergence of intersubband quantum cascade (QC) and interband cascade (IC) lasers in 1994, mid-IR semiconductor lasers have been developed with remarkable progress and successes in many applications.For example, an IC laser (ICL) has been operated over 6 years in Curiosity Rover (好奇号火星探测车) and successfully detected CH4 on Mars. In this talk, I will review the current status of mid-IR semiconductor lasers and other relevant optoelectronic devices (including thermophotovoltaic cells), and discuss examples of their applications, as well as their future prospects.


Short Bio

Dr. Yang received the B.Sc. degree in physics from Zhejiang University in 1982, and the M.Sc. and Ph.D. degrees in physics from Nanjing University in 1984 and 1987, respectively.He is the inventor of interband cascade (IC) lasers with research activities ranging from condensed matter physics to semiconductor quantum devices.Prior to joining OU as a professor in 2007, he was a Principal Member of Engineering Staff and a Task Manager at the Jet Propulsion Laboratory (JPL) in California, where he led the development of advanced mid-IR ICLs for applications in Earth sciences and planetary explorations. He is a fellow of both OSA and IEEE, and the recipient of the 2018 IEEE Photonics Society Aron Kressel Award.More information about his group can be found from http://QDL.ou.edu/.


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