Fluxflowtype Josephson oscillator for millimeter and submillimeter wave region. III. Oscillation stability J. Appl. Phys. 58, 441 (1985); 10.1063/1.335643 Fluxflowtype Josephson oscillator for millimeter and submillimeter wave region. II. Modeling An oscillator which utilizes the effect of the vortex motion in long Josephson tunnel junctions, i.e., flux flow, has been presented in millimeter and submillimeter wave region. An electromagnetic wave generated by the oscillator is detected with a small tunnel junction as a detector with a refined coupling configuration. Quantitative evaluation of the detected power showed that the detected power attained the value of 10-6 W in the frequency range between 100 and 400 GHz, which is far superior to previous results. Frequency and magnetic field dependences of the present system were also measured, which showed that the output power was able to be controlled by the dc magnetic field. The present oscillator will be promising as the local oscillator in the integrated Josephson receiver systems.PACS numbers: 74.50. + r, 85.25. + k A) counter-electrode of the detector is evaporated after formation of the tunneling barrier. Upon this electrode an SiO 3302
An analytical expression for the kinetic inductance of the superconducting coplanar
waveguide is given using the conformal mapping technique. This expression is shown
to be in good agreement with experimental results obtained from the temperature dependence
of the resonant frequency of the NbN coplanar waveguide resonators, especially in the
case of a film thickness smaller than the magnetic penetration depth. It is also
shown that the magnetic penetration depth of the superconducting thin films can be evaluated by this method.
Fluxflowtype Josephson oscillator for millimeter and submillimeter wave region. II. Modeling the normal current per unit areajN(V) to bejN~V /R. We 441
Fluxflowtype Josephson oscillator for millimeter and submillimeter wave region. III. Oscillation stability J. Appl. Phys. 58, 441 (1985); 10.1063/1.335643 Fluxflow type Josephson oscillator for millimeter and submillimeter wave region
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