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Thickness and substrate dependence of THz modulation efficiency in organic/inorganic semiconductor structures

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6 Author(s)
Hyung Keun Yoo ; Department of Physics, Sogang University, Seoul 121-742, Korea ; Youngwoon Yoon ; Chul Kang ; Kiejin Lee
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We report on the thickness dependence of THz modulation efficiency in an organic phthalocyanine (CuPc) film on a Si wafer. The modulation efficiency is also associated with the inorganic semiconductor substrate. This finding confirms that the THz modulation is caused by the injected carriers, excited by optical excitation, into the CuPc film.

Published in:

Infrared, Millimeter and Terahertz Waves (IRMMW-THz), 2011 36th International Conference on

Date of Conference:

2-7 Oct. 2011