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BPN458: Optical Antenna-Based nanoLED

Project ID BPN458
Website
Start Date Thu 2008-Jul-17 16:21:33
Last Updated Thu 2014-Aug-07 12:25:02
Abstract Spontaneous emission has been considered slower and weaker than stimulated emission. As a result, light-emitting diodes (LEDs) have only been used in applications with bandwidth < 1 GHz. Spontaneous emission is inefficient because the radiating dipole is much smaller than wavelength and such short dipoles are poor radiators. By attaching an optical antenna to the radiating dipole at the nanoscale, the emission rate can be significantly increased enabling high modulation bandwidths theoretically >100 GHz. This project focuses on the physical demonstration of this new type of nanophotonic device. Current fabrication and experimental results of devices using transition metal dichalcogenides (TMDs) as an emitter material will be presented. Fundamental limits of rate enhancement will also be discussed.
Status Continuing
Funding Source Federal
IAB Research Area NanoPlasmonics, Microphotonics & Imaging
Researcher(s) Michael Eggleston, Seth Fortuna
Advisor(s) Ming C. Wu
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