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Departmental Colloquium


Silicon Nanophotonics

Winnie Ye
Carleton University

Time
 
Fri. December 2, 2011     1:30 PM     Stirling A

Abstract
 
Silicon based photonics has been under great scrutiny in recent years due to their potential for making highly compact monolithic integration of multifunctional electronic and photonic devices on the same substrate. The most popular platform is the high index contrast silicon-on-insulator (SOI) system. The high refractive index contrast between the silica cladding and the silicon waveguide core facilitates the confinement and guiding of light in structures within submicron or nanometer dimensions. In addition, the mature silicon microfabrication technology establishes a firm foundation for making low-cost and compact integrated photonic devices. A wide range of active and passive optical devices has been realized on the SOI platform. The applications of these devices can be found in high-speed communications, health industry, chemical and biological analysis, environmental monitoring, optical interconnects, and renewable energy. This talk will describe the state of the art silicon based components and systems that are reported in the literature, as well as the on-going project at Carleton University on athermal interconnects, low loss a-Si waveguides, biosensors, and thin-film solar cells. The challenges and future opportunities and directions will also be discussed.

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