Department of EECS, UC Irvine Samueli School of Engineering
High-speed Integrated
Electronics Laboratory
Pioneering mm-wave and terahertz electronic circuits and systems for next-generation sensing, imaging, and communications.
Designing the Future of High-Frequency Electronics
We design, implement, and test mm-wave and terahertz electronic circuits and systems, pushing the boundaries of what silicon can achieve.

Prof. Hamidreza Aghasi
Associate Professor, EECS
Building next-generation mm-wave and terahertz circuits that push silicon beyond its limits.
mm-Wave & THz Circuits
Signal generation beyond transistor limits
Radar & Sensing
Vital signs, imaging, chemical detection
AI + Circuit Design
ML-driven layout-aware synthesis
Emerging Devices
Spin-logic, 2D materials, tunneling FETs
Our Fabricated Chips
A selection of integrated circuits designed and fabricated by the HIE Lab, from mm-wave radars to THz transmitters.
Measurements & Design Tutorials
Videos recorded at our bench: an antenna pattern sweep, a radar target demo, a VCO measurement, and an HFSS-to-KiCad walkthrough.
Research Highlights
Five active research thrusts spanning circuit innovation, system design, and computational intelligence.

FMCW + PMCW
Multi-Band mm-Wave Radars
FMCW and PMCW radar architectures that resolve range, angle, motion, and micro-motion through coherent target returns.
Explore Coherent Sensing
0.32–0.92 THz
Sub-THz & THz Power Generation
Breaking transistor frequency limits with Volterra-Weiner theory-based design methodology across MOSFET, BJT, HBT, and HEMT.
Explore Beyond fmax
Wide tuning
Wideband Signal Generation
Novel oscillator structures overcoming phase-noise degradation for mm-wave and THz communications and sensing.
Explore Low Phase Noise
Layout-aware
AI-Driven Analog/RF Design
Layout-aware ML pipelines, graph-based predictors, and attention-guided beam control for radar and circuit synthesis.
Explore ML + Hardware
Sub-60 mV/dec
Emerging Device Technologies
All-spin-logic smart detector cells and Janus 2D material tunneling FETs with sub-60 mV/dec switching.
Explore Device PhysicsLatest News
Recent highlights and achievements from the HIE Lab.
- Jun 2026All-van der Waals MoTe₂ transistor paper published in Applied Physics Letters (opens in a new tab)Publication
- Oct 2025
Hedayat's IEEE RWW paper among finalists for best student paper award
Award - Sep 2025
Xuyang successfully defends his Ph.D. dissertation
Defense - Sep 2025
IEEE Radar Conference paper top 5 nominated for best student paper award (Allen and Xuyang)
Award - Jul 2025
Mahdi presented two articles at IEEE APS 2025
Conference - Apr 2025
FALCON accepted to NeurIPS 2025
Milestone - Feb 2025
Xuyang's JSSC paper on phase-locked radar transceiver published
Publication
Impactful Research Output
Our work is published in the most prestigious venues in electronics and computer science.
- JSSC
- ISSCC
- NeurIPS
- Nature Comm.
- RFIC
- ESSCIRC
- TCAS


Join the HIE Lab
We are looking for passionate and talented researchers at all levels, from PhD and MS students to undergraduates, to push the boundaries of high-speed electronics.














