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Conferences > CLEO_QELS > 2014 > FM4B > FM4B.7

Hotspot Dynamics in Current Carrying WSi Superconducting Nanowires

F. Marsili, M. J. Stevens, A. Kozorezov, V. B. Verma, C. Lambert, J. A. Stern, R. Horansky, S. Dyer, M. D. Shaw, R. P. Mirin, and S. W. Nam

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Abstract

We measured the temporal dynamics of optically excited hotspots in current-carrying WSi superconducting nanowires as a function of bias current, temperature and excitation wavelength, observing an unexpected effect: hotspot relaxation depends strongly on bias current.

© 2014 Optical Society of America

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