Direct detection of the parametrically generated half-harmonic voltage in a Josephson tunnel junction
Journal Article
·
· Appl. Phys. Lett.; (United States)
The first direct observation of the parametrically generated half-harmonic voltage in a Josephson tunnel junction is reported. A microwave signal at f=17.25 GHz is applied to the junction dc current biased at zero voltage such that the Josephson plasma resonance f/subp/=f/2. Under these conditions a large-amplitude microwave signal is emitted at f/subp/ provided the input power exceeds a threshold value. The results are compared to existing theory. (AIP)
- Research Organization:
- Physics Laboratory I, The Technical University of Denmark, DK-2800 Lyngby, Denmark
- OSTI ID:
- 7176185
- Journal Information:
- Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 29:5; ISSN APPLA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
420201* -- Engineering-- Cryogenic Equipment & Devices
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
AMPLIFIERS
ELECTROMAGNETIC RADIATION
ELECTRONIC EQUIPMENT
ENERGY
JOSEPHSON JUNCTIONS
MICROWAVE AMPLIFIERS
MICROWAVE EQUIPMENT
MICROWAVE RADIATION
PARAMETRIC AMPLIFIERS
PLASMA WAVES
RADIATIONS
SUPERCONDUCTING JUNCTIONS
THRESHOLD ENERGY
TUNNEL EFFECT
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
AMPLIFIERS
ELECTROMAGNETIC RADIATION
ELECTRONIC EQUIPMENT
ENERGY
JOSEPHSON JUNCTIONS
MICROWAVE AMPLIFIERS
MICROWAVE EQUIPMENT
MICROWAVE RADIATION
PARAMETRIC AMPLIFIERS
PLASMA WAVES
RADIATIONS
SUPERCONDUCTING JUNCTIONS
THRESHOLD ENERGY
TUNNEL EFFECT