Bandwidth enhancement of a planar SIW cavity-backed slot antenna

The antenna comprises a dual T-shaped slot and a shorting via located between the slots The shorting via is mainly placed to enlarge the

A blue banded GaN based PhC nanobeam cavity with theoretical Q-factors exceeding 107 is achieved Besides, in the layer structure, porous-GaN was employed to be

slot gams The SIW cavity is designed to improve the impedance matching and the radiation performance of the antenna Bandwidth enhancement is achieved by

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