Commentary Cun-Zheng Ning
Exploring the limits of making the smallest photonic devices
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My group has been involved in nanophotonics for more than 10 years. More specifically, we are interested in exploring the limit of making the smallest future photonic devices. We adopt both the bottom-up growth of semiconductor nanowires using the metal catalysts and the top-down electron beam lithographic fabrication from wafers. One of the very exciting development is our recent demonstration of the first metallic cavity nanolasers working at room temperature under an electrical current injection. Our nanowire laser research has opened the possibility of making a single laser that can lase simultaneously in very dissimilar colors such as red and green, interesting for future lighting and displays. Nanophotonics in general has the potential for laying the technology foundation for the future computing and communication and for enabling many novel devices both for saving energy in terms of energy efficient devices and for generating energy as in nano solar cell technology.
Nano & Giga Forum is a very unique conference among many nano-related conferences. The organizers of this conference obviously realized both the potential and the challenge of nanotechnology from the very beginning. They emphasize the duality of Nano opportunity and the inversely proportional (thus Giga-) challenge very nicely in the title of the conference. Maybe as a result, both opportunities and challenges will be addressed at this conference. As researchers, we realize how important and difficult it is to overcome the Giga-challenges of design and fabrication of nano-devices on the daily basis to explore the potential and opportunities of nano.
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Nanolasers:
Current Status of Trailblazer of Synergetics
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