Surface and waveguide Josephson plasma waves in slabs of layered superconductors

T. M. Slipchenko; D. V. Kadygrob; D. Bogdanis; V. A. Yampol'skii; A. A. Krokhin

doi:10.1103/PhysRevB.84.224512

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Surface and waveguide Josephson plasma waves in slabs of layered superconductors

T. M. Slipchenko, D. V. Kadygrob, D. Bogdanis, V. A. Yampol'skii, A. A. Krokhin

DOI 10.1103/PhysRevB.84.224512 · Physical Review B

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Abstract

We discuss the propagation of symmetric and antisymmetric Josephson plasma waves in a slab of layered superconductor clad between two identical dielectrics. We predict two branches of surface waves in the terahertz frequency range, one above and another below the Josephson plasma frequency. Apart from this, there exists a discrete set of waveguide modes with electromagnetic fields oscillating across the slab thickness and decaying exponentially away from the slab. We consider the excitation of the predicted waves by means of the attenuated-total-reflection method. It is shown that for a specific set of the parameters of the structure, the excitation of the waveguide modes is accompanied by the total suppression of specular reflection.

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