Active Photonic Nanomaterials: From Random to Periodic Structures
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Abstract
Active photonic nanomaterials, which have high gain or large nonlinearity, are essential to the development of nanophotonic devices and circuits. In this talk, I will provide a review of our recent research activities related to the fabrication of active photonic nanomaterials and the development of photonic devices based on such materials. In particular, we focus on a wide bandgap semiconductor zinc oxide and fabricate a broad range of structures, from disordered to periodic, with various nanofabrication techniques. Lasing in the near-ultraviolet frequency has been realized in both periodic and random structures at room temperature under optical pumping. In addition, I will discuss briefly our work on the quantum dot microcavity lasers.
Bio
Hui Cao received her Ph.D. in Applied Physics from Stanford University in 1997. She is now an associate professor in the Department of Physics and Astronomy at Northwestern University. She specializes in nanophotonics and quantum optics. Dr. Cao is the David and Lucille Packard Fellow (1999) and the Alfred P. Sloan Fellow (2000). She is the winner of the Early CAREER Award from the National Science Foundation (2001), and the Maria Goeppert-Mayer Award from the American Physical Society (2005). Dr. Cao coauthored one book, published three invited books, four review articles, and over 100 research papers. She is a vice chair of Technical Group "Photonic Metamaterials" of the OSA.
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