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  • 2017 Conference on Lasers and Electro-Optics Pacific Rim
  • (Optica Publishing Group, 2017),
  • paper s1712

Characterization of optically-controlled terahertz modulation Based on a hybrid device of perovskite and silicon

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Abstract

Terahertz wave transmission could be optically controlled based on electron accumulation at the interface of a hybrid structure of Si and CH3NH3PbI3 perovskite. The modulation efficiency was enhanced by a factor of approximately 4 than those at bare Si under a low irradiance of 532-nm continuous laser (<0.5 W/cm2). Based on THz time-domain spectroscopy and Drude modeling, we characterized the optical and electronic properties of the hybrid device in terms of complex dielectric constant, complex conductivity, carrier density, and mobility.

© 2017 Optical Society of America

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