Background-Free Spectroscopy Of Impurity Transitions In Semiconductors With A Continuous-Wave Terahertz Photomixer Source

M. Wienold,S.G. Pavlov,N. V. Abrosimov, H.-W. Hibers

2019 44TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ)（2019）

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摘要

We present a method for background-free spectroscopy of shallow impurity transitions in semiconductors with residual impurity concentrations. The method is based on a continuous wave terahertz photomixer source and a scheme for optically modulating the concentration of neutral impurities.

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关键词

background-free spectroscopy,shallow impurity transitions,semiconductors,continuous-wave terahertz photomixer source,neutral impurities,continuous wave terahertz photomixer source,residual impurity concentrations

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