In this talk I will briefly discuss the amazing progress made in the area of computer technology outlining some key advances leading to the development of modern computers. However, if order to continue the same rate of progress, we have to find new ways to make Silicon, a workhorse material in our computers perform new tricks. I will motivate the use of light in making our computers faster and to do so, we will have to learn how to make Silicon emit light and perform basic computing functions, especially at the nanoscale. Some of our ideas in enabling Silicon nanophotoncs will be discussed along with how such nanodevices can be used in biology. Ritesh Agarwal earned his undergraduate degree from the Indian Institute of Technology, Kanpur in 1996, and a master’s degree in chemistry from the University of Chicago. He received his PhD in physical chemistry from the University of California at Berkeley in 2001. After completing his PhD., Ritesh was a postdoctoral fellow at Harvard where he studied the optical and photonic properties of semiconductor nanowires. His work led to the development of electrically-driven single nanowire lasers and avalanche photodiodes. Ritesh is currently a professor in the Department of Materials Science and Engineering at the University of Pennsylvania. His research interests include understanding and engineering light-matter interactions at the nanoscale using a variety of one- and two-dimensional semiconductors, plasmonic nanocavities, and studying phase transitions and electronic memory switching at the nanoscale. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at http://ted.com/tedx
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