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Modeling and analysis of high-temperature superconductor terahertz photomixers

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3 Author(s)
D. Saeedkia ; Electr. & Comput. Eng. Dept., Univ. of Waterloo, Ont., Canada ; R. R. Mansour ; S. Safavi-Naeini

Photomixing phenomenon in superconductors is studied. For a photo-excited superconductor film the fundamental equations for the carriers motion inside the superconductor material have been used in connection with the two-temperature model to find an analytic expression for the generated terahertz (THz) photocurrent inside the film. The dependency of the resulting photocurrent on the material and laser parameters, temperature, and photomixer configuration for a photomixer made of YBa2Cu3O7-δ high-temperature superconductor is studied.

Published in:

IEEE Transactions on Applied Superconductivity  (Volume:15 ,  Issue: 3 )