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We present a 1-bit reconfigurable intelligent surface (RIS) operating at millimeter-waves (mmWaves) that employs a 2.5D integration topology for size scalability and a randomized phase delay pattern t...
This work presents a configurable 11-port wire antenna with the ability to synthesize the beam and perform beam steering across a broad range of frequencies. We employ an analytical method to select t...
This paper leverages a space-time-modulated metamaterial (ST-MTM) antenna as a beamspace multiple-input multiple-output (MIMO) receiver, which facilitates the retrieval of information from multiple us...
Current methods of radio frequency (RF) beamforming require significant power, making them impractical for power-constrained applications. An ultra-low loss fully-passive, 4-channel, 12GHz, RF beamfor...
The U.S. Army Ultra-wide Bandgap RF Electronics Center is a multidisciplinary basic research center in electronics, semiconductor physics, and materials science for exploring ultra-wide bandgap (UWBG)...
We present a versatile III-V Heterojunction Bipolar Transistor (HBT) technology on 300 mm Si which can be adapted to RF applications ranging from microwave to mmWave bands. We demonstrate its potentia...
An original method to locally fabricate interface passivation layers embedded in Silicon-on-Insulator substrates is presented. This method consists in creating defects under the Buried Oxide (BOX) tha...
We investigate AlN/GaN MISHEMTs fabricated on a 200 mm Si substrate with an in-situ SiN as the gate insulator and access region passivation layer. The impact of SiN thickness scaling on the large-sign...
This paper presents a three-dimensional (3-D) frequency-selective surface (FSS) based spatial bandpass filter. The meta-atom of our proposed design is inspired by and evolved from the fundamental cent...
We introduced anapole technology to efficiently generate atmospheric pressure microwave plasma jets within a dielectric structure. Anapoles function in contrast to conventional antennas, completely tr...