Integration of solid state impurities with photonic devices for quantum information applications
Speaker: Prof. Kai Mei C Fu, Assistant Professor, University of Washington

Abstract: Nitrogen-vacancy (NV) centers in diamond are attractive candidates for quantum bits for quantum information processing. Theoretically it should be possible to build large-scale quantum optical networks with the NV-diamond system. In this talk I present results from my postdoctoral work at HP Labs toward coupling chip-based optical cavities to negatively charged NV centers. In two types of cavity systems we observe an enhancement of the spontaneous emission rate into the NV zero-phonon line. The current challenge in these systems is engineering the properties of NV centers created near the diamond surface to be appropriate for quantum information and sensing applications. I will discuss recent results toward this goal. The talk will conclude with an overview of the current research directions in our new lab at the University of Washington.

Biography: Kai-Mei Fu joins the Physics and Electrical Engineering departments in the fall of 2011 from HP Labs in Palo Alto where she has been a researcher since 2007. Her current research interests include the optical control and characterization of spins in the solid state, such as semiconductor electrons/holes and diamond nitrogen-vacancy centers, with applications in quantum information processing, spintronics, and magnetic sensing/imaging for biological systems. Her awards include the Achievement Reward for College Students Fellowship, a National Science Foundation Graduate Fellowship, and the Princeton Shenstone Prize for Outstanding Work in Experimental Physics.

 

 

Organizers:

Institute of Theoretical Computer Science and Communications

Institute for Interdisciplinary Information Sciences, Tsinghua University