Controlling THz Wave Transmission Through Organic Copper Phthalocyanine (CuPc) Films on Si by Optical Excitation

Hyung Keun Yoo; Hyung Keun Yoo; Chul Kang; Kiejin Lee; Chul-Sik Kee; Chul-Sik Kee; Joong Wook Lee

doi:10.1364/CLEO_AT.2011.JThB102

CLEO:2011 - Laser Applications to Photonic Applications
OSA Technical Digest (CD) (Optica Publishing Group, 2011),
paper JThB102
•https://doi.org/10.1364/CLEO_AT.2011.JThB102

Controlling THz Wave Transmission Through Organic Copper Phthalocyanine (CuPc) Films on Si by Optical Excitation

Hyung Keun Yoo, Chul Kang, Kiejin Lee, Chul-Sik Kee, and Joong Wook Lee

Quantum Electronics and Laser Science Conference 2011

Baltimore, Maryland United States
1–6 May 2011
ISBN: 978-1-55752-910-7

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Nonlinear and Quantum Science and Measurements Joint Poster Session (JThB)

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H. K. Yoo, C. Kang, K. Lee, C. Kee, and J. W. Lee, "Controlling THz Wave Transmission Through Organic Copper Phthalocyanine (CuPc) Films on Si by Optical Excitation," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optica Publishing Group, 2011), paper JThB102.

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Abstract

We show that transmission of THz waves through an organic copper phthalocyanine (CuPc) film on a Si wafer can be controlled by optical excitation. The carriers excited in silicon are injected into a CuPc film and transport along well-ordered direction of a CuPc film, resulting in making a CuPc film metallic and decreasing the THz transmission. Modulation efficiency depends on the phases of CuPc films. CuPc film/Si layers can be exploited for THz optical modulators.

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