TY - GEN
T1 - The Route to Nanoscale Terahertz Technology: Nanowire-based Terahertz Detectors and Terahertz Modulators
AU - Boland, Jessica Louise
AU - Peng, Kun
AU - Baig, Sarwat A.
AU - Damry, Djamshid A.
AU - Parkinson, Patrick
AU - Fu, Lan
AU - Tan, Hark Hoe
AU - Jagadish, Chennupati
AU - Herz, Laura M
AU - Joyce, Hannah J
AU - Johnston, Michael B
PY - 2018/10/29
Y1 - 2018/10/29
N2 - In this work, we demonstrate novel THz detectors and modulators based on semiconductor nanowires. We show that single nanowire PC THz receivers exhibit excellent sensitivity, high SNR of 40, and a broad detection bandwidth up to 2 THz, comparable to the bulk InP PC receivers. We also demonstrate ultrafast THz modulation by GaAs nanowire polarisers with a less than 5ps switching time and a modulation depth of -8dB, We show an extinction of over 13% and dynamic range of -9dB, comparable to microsecond-switchable graphene- and metamaterial-based THz modulators.
AB - In this work, we demonstrate novel THz detectors and modulators based on semiconductor nanowires. We show that single nanowire PC THz receivers exhibit excellent sensitivity, high SNR of 40, and a broad detection bandwidth up to 2 THz, comparable to the bulk InP PC receivers. We also demonstrate ultrafast THz modulation by GaAs nanowire polarisers with a less than 5ps switching time and a modulation depth of -8dB, We show an extinction of over 13% and dynamic range of -9dB, comparable to microsecond-switchable graphene- and metamaterial-based THz modulators.
U2 - 10.1109/IRMMW-THz.2018.8510319
DO - 10.1109/IRMMW-THz.2018.8510319
M3 - Conference contribution
T3 - 2017, International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz 2017)
BT - 2018 International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz 2018)
ER -