Optical Beatnote Detection from a Portable THz QCL Comb at 80 K by Direct Free Space Mixing in a High-Frequency Hot Electron Bolometer

S. Cibella,G. Torrioli, P. Caroni,A. Gaggero, E. Giovinc, F. Bolli,U. Senica,M. Beck,J. Faist,G. Scalari

2023 48TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES, IRMMW-THZ（2023）

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关键词

direct free space mixing,downconversion,frequency 21.7 GHz,high-frequency hot electron bolometer,microwave synthesizer,NbN/bin,nitrogen-cooled dewar,optical beatnote detection,portable frequency comb fast spectrometers,portable THz QCL comb,QCL-based optical frequency combs,RF frequencies,temperature 80.0 K

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