Observation of Josephson plasma emission by quasiparticle injection into a Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub y} single crystal
Journal Article
·
· Journal of Low Temperature Physics
The possible first observation of Josephson plasma emission from a quasiparticle-injected Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub y}(BSCCO) single crystal is reported. The quasiparticles re injected into the c-axis direction of the crystal. The emitted microwaves in the range 10--47GHz are detected by a superheterodyne mixer technique. Three different modes of emissions are observed by biasing the current in the hysteretic curve of the intrinsic junctions. In addition to Josephson self-emission at low bias voltage, the authors find the two novel emissions due to nonequilibrium effects: incoherent emission in the negative resistance region at the gap edge. The latter two emissions are almost identified as Josephson plasma emissions.
- Research Organization:
- Tokyo Inst. of Tech. (JP)
- OSTI ID:
- 20012851
- Journal Information:
- Journal of Low Temperature Physics, Journal Name: Journal of Low Temperature Physics Journal Issue: 3-4 Vol. 117; ISSN JLTPAC; ISSN 0022-2291
- Country of Publication:
- United States
- Language:
- English
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