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Charge transport processes in a superconducting single-electron transistor coupled to a microstrip transmission line

Charge transport processes in a superconducting single-electron transistor coupled to a microstrip transmission line

We have investigated charge transport processes in a superconducting single-electron transistor (S-SET) fabricated in close proximity to a two-dimensional electron gas (2DEG) in a GaAs/AlGaAs heterostructure. The macroscopic bonding pads of the S-SET along with the 2DEG form a microstrip transmission line. We observe a variety of current-carrying cycles in …