Broadband response of the quasiparticle current in a superconducting tunnel junction

Verghese, S.; Karadi, C.
February 1994
Applied Physics Letters;2/14/1994, Vol. 64 Issue 7, p915
Academic Journal
Measures the linear response of the quasiparticle current in a superconducting tunnel junction. Generation of picosecond pulses of millimeter wave radiation; Illumination of a photoconductive switch with a mode-locked laser; Changes in the induced direct current; Agreement of the data with the linear theory of photon-assisted tunneling.


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