Title :
Fabrication of Arrays of BSCCO Intrinsic Josephson-Junction Stacks for THz Oscillator
Author :
Akinobu Irie;Keiji Akasaka;Yuri Kuranari;Yoshihiko Yajima;Kazuhiro Yamaki
Author_Institution :
Dept. of Electr. &
fDate :
7/1/2015 12:00:00 AM
Abstract :
We have studied the emission properties of combined intrinsic Josephson junction (IJJ) stacks. The IJJ THz oscillators were fabricated by two different methods : standard Ar ion milling and hydrochloric acid modification processes. We observed that the series connection of two stacks improves the heating problem. For the stacks with a large number of IJJs, intense emissions were observed only in the low-bias regime and it was found that such emission corresponds to the in- phase cavity resonance mode of a mesa. Furthermore, the obtained result showed the possibility of the synchronized emission from the series-connected stacks.
Keywords :
"Oscillators","Detectors","Josephson junctions","Synchronization","Voltage measurement","Heating","Cavity resonators"
Conference_Titel :
Superconductive Electronics Conference (ISEC), 2015 15th International
DOI :
10.1109/ISEC.2015.7383457