Journal
2023 48TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES, IRMMW-THZ
Volume -, Issue -, Pages -Publisher
IEEE
DOI: 10.1109/IRMMW-THz57677.2023.10298938
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This study demonstrates real-time analysis of the emission from a 3.4-THz quantum-cascade laser using an array of nanoscale field-effect transistor devices. The results show that THz power can be directly detected up to a modulation bandwidth of 500 kHz, and indirectly through a change in the device threshold up to a bandwidth of 100 MHz.
We demonstrate real-time analysis of the emission from a 3.4-THz quantum-cascade laser (QCL) source, using an array of nanoscale field-effect transistor devices. We show that THz power can be detected directly up to a modulation bandwidth of 500 kHz, and indirectly via a change in the device threshold, up to a 100-MHz bandwidth.
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