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- Kim, Kyung Rok
- Nano-Electronic Emerging Devices Lab.
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Highly Sensitive Plasmonic Terahertz Detector with Integrated Sub-Wavelength Aperture Based on Asymmetric FET in 65-nm CMOS Technology
- Author(s)
- Kim, Min Jae, Ahn, Sang Hyo, Song, Yoo Bin, Ryu, Min Woo, Kim, Kyung Rok
- Issued Date
- 2023-07-02
- Citation
- IEEE International Conference on Nanotechnology, pp.861 - 865
- Abstract
- We have analyzed the effect of structural asymmetry and aperture position for field-effect transistor (FET)-based plasmonic terahertz (THz) detector with integrated aperture by using 65-nm CMOS process. By applying structural asymmetry between the source and drain in FET, we obtained 9.3 mV (7-fold) photoresponse (Δ u) in comparison to symmetric FET for aperture positioned at gate. In addition, by asymmetry in feeding the incoming THz wave with aperture positioned at drain, we have experimentally demonstrated highly enhanced detection performance followed by 18.5 mV (2-fold) Δ u in comparison to aperture positioned at gate.
- Publisher
- IEEE Computer Society
- ISSN
- 1944-9399
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