THz Detectors and Related Topics

Rieh, Jae-Sung

doi:10.1007/978-3-030-51842-4_3

Introduction to Terahertz Electronics 2020

DOI: 10.1007/978-3-030-51842-4_3

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THz Detectors and Related Topics

Jae-Sung Rieh

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2020

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Terahertz wave detection by plasmonic-antenna enhanced sum frequency generation

Sun

Zhang

Zhou

et al. 2020

J. Nonlinear Optic. Phys. Mat.

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We propose a scheme of terahertz (THz) indirect detection via plasmonic-antenna enhanced sum frequency generation process, where the THz wave is converted to optical wave that is detected by photodetector. The gold antenna built in the structure can improve the conversion efficiency by enhancing both the optical wave and THz wave. The numerical simulations show that the field enhancement is influenced by the geometry of the antenna, so the conversion efficiency can be improved highly by optimizing the antenna. Compared with commercial detectors, our detection system has a much lower noise equivalent power (NEP) of 15.4[Formula: see text]pW/[Formula: see text] at 5[Formula: see text]THz.

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Terahertz wave detection by plasmonic-antenna enhanced sum frequency generation

Sun

Zhang

Zhou

et al. 2020

J. Nonlinear Optic. Phys. Mat.

View full text Add to dashboard Cite

show abstract

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THz Detectors and Related Topics

Cited by 1 publication

References 89 publications

Terahertz wave detection by plasmonic-antenna enhanced sum frequency generation

Terahertz wave detection by plasmonic-antenna enhanced sum frequency generation

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