Abstract

The effect of optical transmission through an array of vortices in a type-II superconducting film subjected to a strong magnetic field is analyzed. The mechanism responsible for this effect is resonance transmission between two surface plasmon polaritons (SPPs) in the system. The SPP band gap in the system is studied as a function of magnetic field. The transmittance through a system consisting of one vortex embedded in such a film is computed using the finite difference time domain method. The control of transmission by varying magnetic field is analyzed. Applications of the studied phenomena for developing tunable sensors are discussed.

© 2013 Optical Society of America

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