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BPN578: III-V / Silicon Photonic Integration

Project ID BPN578
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Start Date Tue 2010-Aug-10 20:23:34
Last Updated Tue 2011-Aug-16 13:52:13
Abstract Many semiconductor-based nanolaser cavities using metal have been remarkably reported in past few years. However, the efficient coupling of these small cavities to waveguides still remains a large challenge. Here, we show highly efficient coupling of a wavelength-scale III-V metal-clad high-quality nanolaser cavity operating the fundamental dielectric cavity-mode to a silicon-on-insulator waveguide. By engineering the effective refractive-index and the field distribution of the cavity mode, the quality factor is maximized as 1700 with a modal volume of 0.28 (lambda/n)^3. Furthermore, the coupling efficiency to the waveguide has the potential to be > 80 %.
Status Continuing
Funding Source DARPA
IAB Research Area NanoPlasmonics, Microphotonics & Imaging
Researcher(s) Myung-Ki Kim
Advisor(s) Ming C. Wu
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