THz optical beatnote detection with a fast hot electron bolometer operating up to 31 GHz
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Author / Creator
Date
2023
Publication Type
Other Conference Item
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yes
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Abstract
We studied the performance of hot-electron bolometers (HEBs) operating at THz optical frequencies based on superconducting niobium nitride films. We report on large optical bandwidth measurement of the voltage response of the detector carried out with different THz sources. We show that the impulse response of the fully packaged HEB at 7.5 K has a 3 dB cut-off around 2 GHz, but a considerable detection capability is also observed above 30 GHz recorded in mixing mode operation by using a THz frequency comb quantum cascade laser
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published
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Book title
Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XVI
Journal / series
Volume
PC12420
Pages / Article No.
PC124200D
Publisher
SPIE
Event
SPIE OPTO 2023
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03759 - Faist, Jérôme / Faist, Jérôme