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Conferences > CLEO > 2009 > CWG > CWG4
  • Conference on Lasers and Electro-Optics/International Quantum Electronics Conference
  • OSA Technical Digest (CD) (Optica Publishing Group, 2009),
  • paper CWG4
  • •https://doi.org/10.1364/CLEO.2009.CWG4

Ultrafast Optical Control of Terahertz Surface Plasmon Polariton in Subwavelength Hole-Arrays at Room Temperature

Abul K. Azad, Zhen Tian, Hou-Tong Chen, Xinchao Lu, Satish R. Kasarla, Weili Zhang, Antoinette J. Taylor, and John F. O’Hara

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Abstract

We demonstrate ultrafast optical control of surface plasmon assisted terahertz (THz) transmission in a subwavelength metallic hole array on a semiconductor substrate. The transient photoconductivity of the substrate allows modulation of the THz resonance amplitude via optical excitation with a time scale of ~10 ps.

© 2009 Optical Society of America

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