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Plasmonic photoconductive antennas for high power terahertz generation

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2 Author(s)
Christopher W. Berry ; Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, USA ; Mona Jarrahi

A plasmonic photoconductive antenna architecture is presented and characterized experimentally. This architecture incorporates plasmonic gratings as a part of the terahertz radiating antenna, enabling both high quantum efficiency and ultrafast operation, simultaneously. Also, this photoconductive antenna architecture circumvents the need of a short-carrier lifetime substrate, allowing use of high-mobility crystalline substrates. Experimental results on the first generation plasmonic photoconductive antennas indicate significant terahertz power enhancement compared to the state-of-the art.

Published in:

Proceedings of the 2012 IEEE International Symposium on Antennas and Propagation

Date of Conference:

8-14 July 2012