TY - GEN
T1 - Ultrahigh sensitive plasmonic terahertz detector based on an asymmetric dual-grating gate HEMT structure
AU - Watanabe, Takayuki
AU - Tombet, Stephane Boubanba
AU - Tanimoto, Yudai
AU - Wang, Yuye
AU - Minamide, Hiroaki
AU - Ito, Hiromasa
AU - Fateev, Denis
AU - Popov, Viacheslav
AU - Coquillat, Dominique
AU - Knap, Wojciech
AU - Otsuji, Taiichi
PY - 2011
Y1 - 2011
N2 - We report on ultrahigh sensitive, broadband terahertz (THz) detectors based on asymmetric double-grating-gate (A-DGG) HEMTs demonstrating a record responsivity of 2.2 kV/W at 1 THz. Hydrodynamic nonlinearities of two-dimensional (2D) plasmons in high-electron-mobility transistors (HEMTs) are promising for fast and sensitive rectification/detection of THz radiation [1], which can be applied to real-time THz imaging/spectroscopic analysis and future THz wireless communications [2]. Recently, InP- and GaN-based HEMTs as well as Si-MOSFETs have demonstrated improved responsivities [3,4], approaching 1 kV/W at 1 THz by introducing narrow-band dipole antenna structure merged with the gate electrode [3].
AB - We report on ultrahigh sensitive, broadband terahertz (THz) detectors based on asymmetric double-grating-gate (A-DGG) HEMTs demonstrating a record responsivity of 2.2 kV/W at 1 THz. Hydrodynamic nonlinearities of two-dimensional (2D) plasmons in high-electron-mobility transistors (HEMTs) are promising for fast and sensitive rectification/detection of THz radiation [1], which can be applied to real-time THz imaging/spectroscopic analysis and future THz wireless communications [2]. Recently, InP- and GaN-based HEMTs as well as Si-MOSFETs have demonstrated improved responsivities [3,4], approaching 1 kV/W at 1 THz by introducing narrow-band dipole antenna structure merged with the gate electrode [3].
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U2 - 10.1109/ISDRS.2011.6135193
DO - 10.1109/ISDRS.2011.6135193
M3 - Conference contribution
AN - SCOPUS:84863142038
SN - 9781457717550
T3 - 2011 International Semiconductor Device Research Symposium, ISDRS 2011
BT - 2011 International Semiconductor Device Research Symposium, ISDRS 2011
T2 - 2011 International Semiconductor Device Research Symposium, ISDRS 2011
Y2 - 7 December 2011 through 9 December 2011
ER -