Experimental observation of the breaking and recombination of single Cooper pairs
N. J. Lambert, Megan Edwards, A. A. Esmail, Felix A. Pollock, S. D. Barrett, Brendon W. Lovett, Andrew J. Ferguson · Physical Review B · 2014
The authors measure the splitting of single Cooper pairs by single microwave photons, and their recombination, in a new type of superconducting double quantum dot. They envisage a single-photon detector based on the physical principles involved.