Investigation of MgB 2 HEB mixer gain bandwidth

Stella Bevilacqua,Sergey Cherednichenko,Vladimir Drakinskiy,Hiroyuki Shibata,Arvid Hammar,Jan Stake

Investigation of MgB 2 HEB mixer gain bandwidth

2011

Stella Bevilacqua
Sergey Cherednichenko
Vladimir Drakinskiy
Hiroyuki Shibata
Arvid Hammar
Jan Stake

THz mixers based on superconducting MgB 2 bolometers were fabricated by photolithography and Ar-ion beam milling on sapphire substrates. The mixer gain bandwidth of 3.4 GHz, 2.3 GHz and 1.3 GHz were measured for 10, 15 and 30 nm films respectively.

Keywords:

Ion beam
Optoelectronics
Optics
Type-II superconductor
Terahertz radiation
Superconductivity
Bolometer
Physics
Photolithography
Beam (structure)
Bandwidth (signal processing)
gain bandwidth
Sapphire

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