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*Harvard EE Seminar Series*
3-4PM Friday, April 6, 2012
Maxwell Dworkin G125
Refreshments at 2:45
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*“Hybrid Silicon Photonic Circuits for Chip-Scale Nonlinear and
Quantum Optics”*
*Hong Tang*
*Associate Professor, Yale University*
Silicon photonic nanostructures are widely used to localize light and
enhance light-matter interactions. They are also key components in
integrated photonic circuits for a variety of applications. However,
due to its narrow indirect bandgap and centrosymmetric crystal,
silicon does not provide some of the most desired functions for
building active nonlinear or quantum optical circuits. In this talk,
we show how to engineer dielectric nanostructure on a silicon platform
to achieve low-loss waveguiding and ultra-high quality factor cavities
in various material systems. We further demonstrate that full
exploitation of hybrid photonic circuits will lead to efficient light
conversion, manipulation and detection on the ubiquitous silicon
platform.
*Speaker:*Hong Tang is an**Associate Professor of Electrical
Engineering and Applied Physics at Yale University. His research
utilizes integrated photonic circuits to study photon-photon,
photon-mechanics and photon-spin interactions. He joined Yale faculty
as an assistant professor in 2006. At Yale his group specializes in
nanofabrication and precision measurement, spanning the fields of
spintronics, NEMS, nanophotonics and optomechanics. He and his group
hold several records, including the discovery of giant planar Hall
effect, first measurement of negative resistance of single magnetic
domain wall, measurement of gradient optical force on a silicon chip,
demonstration of repulsive optical force, and ambient attogram mass
sensing. He is a recipient of the NSF CAREER Award and Packard
Fellowship in Science and Engineering.
*Host*: Marko Lončar
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