Nanoscale contact electrodes for significant radiation power enhancement in photoconductive terahertz emitters

@article{Berry2013NanoscaleCE,
  title={Nanoscale contact electrodes for significant radiation power enhancement in photoconductive terahertz emitters},
  author={Chirstopher W. Berry and M. Reza Hashemi and Mehmet Zubeyir Unlu and Mona Jarrahi},
  journal={2013 IEEE MTT-S International Microwave Symposium Digest (MTT)},
  year={2013},
  pages={1-4}
}
We present a photoconductive terahertz emitter that incorporates nanoscale plasmonic contact electrodes to offer significantly higher radiation powers compared to conventional photoconductive terahertz emitters. Radiation enhancement is the result of reducing the average transport path of photogenerated carriers to the plasmonic contact electrodes and, thus, increasing the number of the photocarriers that can be routed to the terahertz antenna in a sub-picosecond time-scale to efficiently… CONTINUE READING

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