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Terahertz Radiation Enhancement in Large-Area Photoconductive Sources by Using Plasmonic Nanoantennas

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Abstract

We demonstrate that incorporating plasmonic nanoantennas in large-area photoconductive sources enables record-high terahertz radiation powers as high as 3.8 mW over 0.1-5 THz and an order-of-magnitude higher optical-to-terahertz conversion efficiencies compared to conventional designs.

© 2015 Optical Society of America

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