讲座题目：Photodetectors for Optical Communications and Sensing

主讲人：任旻博士

主持人：吴光教授

讲座时间：2017.6.9 15:30

讲座地点：理科大楼A814室

报告人简介：

任旻（PhD, IEEE Member, OSA Member）毕业于华东师范大学，师从曾和平教授和吴光教授，于2013年获博士学位。博士毕业后加入University of Virginia的Prof. Joe C. Campbell （National Academy of Engineering Member，IEEE Fellow, APS Fellow, OSA Fellow）的小组从事雪崩光电二极管（APDs）和高速光电探测器的研究工作，研究领域涵盖经典光通讯，量子通讯，激光测距与遥感。任旻自研究生阶段以来，在国际科研期刊（Applied Physics Letters, Journal of Lightwave Technology, Optics Express, Physical Review A, et al.）发表论文二十余篇。其论文被选为封面文章（Applied Optics），Editor’s Pick （Applied Physics Letters），并被报道在Nature Photonics News & Views。多次在国际会议中做邀请报告（CLEO, SPIE）。OSA资深审稿人。

报告摘要：

This talk will focus on p-i-n and avalanche photodiodes. Their performance parameters and the physical effects that determine those parameters will be discussed. Specific topics will include the following:

1. Photodiode fundamentals, e.g., responsivity, dark current, bandwidth, and noise

2. High-speed photodiodes

3. Normal-incidence versus waveguide photodiodes

4. Photodiodes for Si photonics

5. Avalanche photodiode concepts

• Excess noise

• Gain-bandwidth product

1. III-V-based and Si-based avalanche photodiodes

2. Single photon detection

3. Laser ranging and sensing with SPAD