For the first time, a planar metalens-enabled semi-passive mmWave identification (mmID) system is demonstrated, achieving high detectability, wide angular coverage, and ultra-long-range operation in a...
Water-in-oil emulsions pose major challenges in areas as chemical- or offshore-systems, where droplet coalescence leads to blockage, corrosion, and equipment damage. Conventional monitoring depends on...
This work introduces a low-profile hydrogen (H₂) sensing microwave system designed for seamless integration onto metallic infrastructures, commonly needed in industrial environments. The sensor is bas...
A microwave linear-displacement sensor with two-port-quasi-reflectionless behavior is proposed. It is made up
of a balanced-circuit architecture comprising the following parts: (i) a reflective-type R...
This work presents a novel complementary impedance-shaping technique to enhance the bandwidth and input power dynamic range of RF energy harvesting rectifiers. The design utilizes two parallel branche...
In this paper, a device-circuit co-design approach for a 5.8-GHz rectifier is presented, utilizing doping-optimized quasi-vertical gallium nitride (GaN) Schottky barrier diodes (SBDs). To overcome the...
In this paper, an ultra-low power, high-efficiency microwave rectifier based on adaptive voltage model is proposed. Targeting micro-watt power scenarios, the proposed model incorporates diode leakage ...
This paper presents a highly-efficient hybrid single-diode rectifier module for the 5.8 GHz band providing a high power conversion efficiency (PCE) over a very wide RF input power range. The input ban...
This paper proposes an innovative dual-polarized backscattering rectenna that operates in two distinct modes — energy harvesting and backscattering modulation — driven by two-bit digital control signa...
This work presents a V-band self-synchronous rectifier, including backscattering capabilities for simultaneous wireless power transfer and uplink communications, designed at the 60 GHz nominal frequen...