报告题目：Micro/nano-scaled lasers based on novel “laser” principle

报 告 人：卢廷昌教授（台湾交通大学）

主 持 人：黄华茂副研究员

报告时间：2018年2月5日（星期一）下午14:30

报告地点：18号楼二楼报告厅

欢迎广大师生参加!

物理与光电学院

2018年1月24日

摘要：Since the invention of lasers dated back to 1960’s, the unique emission characteristics not only contribute to the tremendous achievements in scientific research and industrial fields, but the physics behind the operation principle have triggered much progress in which the original invention would never be able to imagine. Among different variation of lasers, semiconductor lasers have evolved to be mostly used around us due to their low operation current, high efficiency, small footprint, fast direct modulation speed and rich selectivity of laser materials. Therefore, much progress has been made in semiconductor lasers in terms of different cavity structures and light-matter interaction, which intriguingly breaks the boundary of laser operation principles! In this talk, I’ll describe our recent works on GaN-based vertical cavity surface emitting lasers and their relatives: microcavity polariton lasers and polariton light emitting diodes. In addition, I’ll introduce the laser cavities made by periodic photonic crystal patterns, quasi-periodic patterns and even random cavities, which were made artificially by state-of-the-art nanotechnology and/or self-assemble process. The talk will be ended up with the novel surface plasmon polariton nanolasers, showing that the extremely compact mode volume smaller than hundredth and even thousandth of diffraction limit can well exist in a tiny semiconductor device.

报告人简介：卢廷昌，教授，美国光学学会会士（OSA Fellow），台湾交通大学杰出教授（Distinguished Professor）。1995年在台湾大学获得学士学位，1998年在美国南加州大学获得硕士学位，2004年在台湾交通大学获得博士学位，2007年在斯坦福大学做学术访问。2009年至2011年在台湾交通大学照明和能源研究所担任所长。主要研究方向是光电器件的设计、外延生长、器件制备和性能表征，包括多种材料的低压MOCVD外延技术及器件制备工艺，使用微腔、光子晶体、表面等离激元等技术调节微米/纳米尺度的光与材料的相互作用。在GaN相关领域有几项重要突破，例如第一个电注入的蓝光VCSEL，光子晶体表面发射激光器，基于激子-表面等离激元的微腔光发射器。已在国际期刊上发表超过200篇研究论文，选为OSA会士，IEEE高级会员，SPIE高级会员，国际知名期刊IEEE/OSA J. Lightwave Technology 副主编（Deputy Editor）和IEEE J. Quantum Electronics.副编辑（Associate Editor）。