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Conferences > N3 > 2013 > NSu3B > NSu3B.4

The optimization of SRR arrays on optically controlled terahertz metamaterials

Feng Lishuang and Sui Jiawei

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Abstract

We theoretically present optically controlled tuned terahertz metamaterials with an approximate tuning range of 22%. A redshift in the resonant frequency from 0.92 THz to 0.71 THz was theoretically achieved. The simulation results revealed that the modulation depth could reach to 97%. At the meanwhile, the short carrier lifetime (2.1 ns) of photoexcited electron in gallium arsenide might lead to rapid modulation speed.

© 2013 Optical Society of America

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