Abstract
AbstractA phaser based on codirectional coupling is proposed and experimentally investigated to achieve a flat transmission magnitude while maintaining strong frequency‐dependent group delay response. This is the first experimental demonstration of such devices for real‐time radio analog signal processing applications, which are readily scalable to mm‐wave frequencies. While shielding improved the transmission performance by mitigating the radiation, a gain element is introduced to achieve a perfectly flat transmission magnitude response. The proposed structure thus forms the fundamental building block of engineering more complex dispersion profiles without compromising transmission magnitude response.
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