Highly-integrated Circuits Research Articles

Reduction of radiation loss at small-radius bend using spoof surface plasmon polariton transmission line

Spoof surface plasmon polariton (SPP) has been realized at low frequencies through corrugated metallic structures. As two-dimensional application, the ultrathin SPP transmission lines (TLs) have been proposed with great potentials for microwave compact circuits due to the strong field confinement and enhancement, as well as controllable dispersive properties. In this paper, we examine the radiation loss at small-radius bend, which may cause severe crosstalk in highly-integrated circuits or systems, for the SPP TLs. We theoretically analyze that the SPP TL has essential merit of low radiation loss, and show better performance of SPP TL than the conventional microstrip line through numerical simulations and experiments. Both simulated and measured results demonstrate that the new type of transmission line can efficiently suppress the radiation loss at small-radius bend, and hence reduce the crosstalk in circuits and systems.

Pattern recognition in highly-integrated circuits

Possibilities for the implementation of pattern recognition in highly-integrated circuits are explored. As an example, a specific system for the recognition of handwritten letters is modeled. This model employs the basic operations of a cellular array of coupled devices for feature extraction, i.e. tesselation or the shifting of information between neighboring cells.

Pattern recognition in highly-integrated circuits

Pattern recognition in highly-integrated circuits