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- Choi, EunMi
- THz Vacuum Electronics and Applied Electromagnetics Lab.
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Trantenna: Monolithic Transistor-Antenna Device for Real-Time THz Imaging System
- Author(s)
- Ryu, MW, Patel, Ramesh, Ahn, SH, Jeon, HJ, Choe, MS, Choi, EunMi, Han, Ki Jin, Kim, Kyung Rok
- Issued Date
- 2017-06-07
- Citation
- IEEE Symposium on VLSI Technology, pp.T146 - T147
- Abstract
- We report a circular-shape monolithic transistor-antenna (trantenna) for high-performance plasmonic terahertz (THz) detector. By designing an asymmetric transistor on a ring-type metal-gate structure, more enhanced (45 times) channel charge asymmetry has been obtained in comparison with a bar-type asymmetric transistor of our previous work. In addition, by exploiting ring-type transistor itself as a monolithic circular patch antenna, which is designed for a 0.12-THz resonance frequency, we demonstrated the highly-enhanced responsivity (Rv) > 1 kV/W (x 5) and reduced noise-equivalent power (NEP) < 10 pW/Hz0.5 (x 1/10).
- Publisher
- 37th Symposium on VLSI Technology, VLSI Technology 2017
- ISSN
- 0743-1562
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