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Propagation of terahertz bandwidth electrical pulses on YBa/sub 2/Cu/sub 3/O/sub 7-//sub delta/ transmission lines on lanthanum aluminate

Journal Article · · Appl. Phys. Lett.; (United States)
DOI:https://doi.org/10.1063/1.101519· OSTI ID:6332832
We study the propagation of terahertz bandwidth electrical pulses on high critical current density c-axis oriented YBa/sub 2/Cu/sub 3/O/sub 7-//sub delta/ (YBCO) coplanar transmission lines deposited epitaxially on the low dielectric loss substrate lanthanum aluminate (LaAlO/sub 3/). The losses on the YBCO transmission line are lower than on an equivalent gold line on the same substrate at temperatures below 50 K. At higher temperatures, absorption and dispersion of the ultrashort electrical pulses are observed in reasonable agreement with Mattis--Bardeen theory.
Research Organization:
ATandT Bell Laboratories, Crawfords Corner Road, Holmdel, New Jersey 07733
OSTI ID:
6332832
Journal Information:
Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 54:22; ISSN APPLA
Country of Publication:
United States
Language:
English

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