Self-induced terahertz-wave transmissivity of waveguides with finite-length layered superconductors
T. N. Rokhmanova, S. S. Apostolov, Z. A. Maizelis, V. A. Yampol'skii, Franco Nori
DOI 10.1103/PhysRevB.88.014506 · Physical Review B
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Abstract
We predict and study theoretically a new nonlinear electromagnetic phenomenon in a sample of a layered superconductor of finite length placed in a waveguide with ideal walls. Two geometries are considered here: the superconducting layers parallel or perpendicular to the waveguide axis. We show that the transmittance of the superconductor slab can vary over a wide range, from nearly zero to one, when changing the amplitude of the incident wave. Thus, one can induce the total transmission or reflection of the incident wave by simply changing its amplitude. Moreover, the dependence of the superconductor transmittance on the incident wave amplitude has a hysteretic behavior with jumps. The considered phenomenon of self-induced transparency can be observed even at small amplitudes, if the wave frequency ω is close to the cutoff frequency for linear Josephson plasma waves.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Bi2Sr2CaCu2O8+δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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