Abstract

Millimeter-waves are crucial for achieving future ubiquitous communication networks and imaging systems to ensure security. After reviewing recent progress in devices and circuit technologies in millimeter-wave monolithically integrated circuits (MMIC), this paper describes our recent research on fundamental technologies for intelligent RF circuits to be used in millimeter-wave wireless applications. We introduce metamaterials, which achieve unique electromagnetic properties not existing in nature, into InP-based MMICs. Basic circuit technologies for active integrated antennas and composite right-/left-handed metamaterials are discussed. Preliminary results for these circuits are presented.

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