Active Control of Terahertz Optical Activity by Photo-Excitation of Metal Chiral Gratings

N. Kanda; K. Konishi; M. Kuwata-Gonokami

doi:10.1364/CLEO.2009.CThX6

Conference on Lasers and Electro-Optics/International Quantum Electronics Conference
OSA Technical Digest (CD) (Optica Publishing Group, 2009),
paper CThX6
•https://doi.org/10.1364/CLEO.2009.CThX6

Active Control of Terahertz Optical Activity by Photo-Excitation of Metal Chiral Gratings

N. Kanda, K. Konishi, and M. Kuwata-Gonokami

Conference on Lasers and Electro-Optics 2009

Baltimore, Maryland United States
31 May–5 June 2009
ISBN: 978-1-55752-869-8

From the session
THz Metamaterial Modulators (CThX)

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N. Kanda, K. Konishi, and M. Kuwata-Gonokami, "Active Control of Terahertz Optical Activity by Photo-Excitation of Metal Chiral Gratings," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optica Publishing Group, 2009), paper CThX6.

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Abstract

We report pronounced light-induced change of the optical activity at terahertz frequency in metal chiral gratings on semiconductor substrates. This result opens new horizons in the active terahertz polarization control.

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