Research Output

Publications

Peer-reviewed research in mm-wave, THz electronics, and machine-learning-driven IC design.

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Journals

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Conferences

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Patents

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Talks

2026
4 publications
Applied Physics LettersPublished

Gigahertz frequency mixing and multiplication in an all-van der Waals ambipolar MoTe2 transistor

M. Berahman, A. Montazar, Y. Huang, H. Aghasi

IEEE TMTTPublished

A 25/75 GHz 2TX-4RX FMCW Radar Transceiver Utilizing Non-uniform Linear Arrays and Phase Dithering to Achieve 5.1° Angular Resolution

X. Liu, Z. Zhang and H. Aghasi

IEEE RFICPublished

A Doppler-Assisted 76 GHz PMCW Radar with Meter-Scale Unambiguous Range and μm-Scale Range Accuracy

Z. Zhang, X. Liu, Y. Huang, H. Aghasi

IEEE ISCASPublished

EM-Aware Physical Synthesis: Neural Inductor Modeling and Intelligent Placement & Routing for RF Circuits

Y. Huang, A. Mehradfar, S. Avestimehr, H. R. Aghasi

2025
16 publications
IEEE JSSCPublished

A 19 dBm Psat 110-142 GHz Power Amplifier in 65-nm CMOS with Device-Centric Power Boosted Stage and a Dual-Coupled 4-Way Slotline Combiner

M. H. Maktoomi, X. Liu, H. R. Aghasi

IEEE TCADPublished

Supervised Learning for Analog and RF Circuit Design: Benchmarks and Comparative Insights

A. Mahdavifar, X. Zhao, Y. Niu, M. Alesheikh, H. R. Aghasi, S. Avestimehr

Nature Communications EngineeringPublished

Sub-THz Communication Systems in Silicon: Combating the f_max Barrier

J. Gruber, H. Alotaibi, A. Tabatabavakili, L. Chen, H. R. Aghasi, H. Naghavi, E. Afshari

IEEE MWTLPublished

A Hybrid CMOS-Polyimide Adaptive Force Radiometric Array with 3-5 GHz Wireless Connectivity

A. Montazar, X. Liu, Z. Zhang, H. R. Aghasi

IEEE TNANOPublished

Tunneling Field Effect Transistors Based on Janus Monolayer PtSSe

M. Berahman, H. R. Aghasi

IEEE JSSCPublished

A CMOS 49-63-GHz Phase-Locked Stepped-Chirp FMCW Radar Transceiver

X. Liu, M. Maktoomi, M. Alesheikh, P. Heydari, H. R. Aghasi

IEEE RWWBest Student Paper Award nominee

A 110-142 GHz 19 dBm Psat Power Amplifier with Enhanced-Power Cascode Stage and 4-Way Dual-Coupled Slotline Combiner in 65-nm CMOS

M. Maktoomi, X. Liu, H. R. Aghasi

IEEE RadarConfBest Student Paper Award nominee (Warsaw, Poland)

Attention-Based Cognitive Beam Steering for 24 GHz FMCW Radar Systems

A. Ding, Y. Huang, S. Jeong, X. Liu, H. R. Aghasi, M. Imani

NeurIPS

FALCON: An ML Framework for Fully Automated Layout-Constrained Analog Circuit Design

A. Mehradfar, X. Zhao, Y. Huang, E. Ceyani, Yankai Yang, Shihao Han, Hamidreza Aghasi, Salman Avestimehr

IEEE APWCInvited Talk

Data-Efficient Supervised Learning for RF and mm-Wave Circuit Design: Techniques, Challenges, and Benefits

H. R. Aghasi

IEEE IMS

A Hybrid CMOS-Polyimide Adaptive Force Radiometric Array with 3-5 GHz Wireless Connectivity

A. Montazar, X. Liu, Z. Zhang, H. R. Aghasi

IEEE APS

A 55-65 GHz Half-Width Leaky Wave Antenna with Linear Beam-Steering Profile for Monostatic FMCW Radars

M. Alesheikh, S. Saadat, A. Montazar, H. R. Aghasi

IEEE APS

A Study on Curvature Effect of Flexible Antenna Arrays and Its Impact on 2D Beamforming Capability of 6G Wireless Systems

M. Alesheikh, S. Saadat, H. R. Aghasi

US Patent

Hybrid CMOS-Polyimide Force Radiometric Array with GHz Wireless Link

A. Montazar, X. Liu, H. R. Aghasi

Invited Talk — Fort Collins

IEEE Optical Interconnects and Packaging Conference

H. R. Aghasi

Invited Talk — Ann Arbor

University of Michigan

H. R. Aghasi

2024
6 publications
IEEE JSSCPublished

Broadband Harmonic-Assisted Power and Efficiency Enhancement in a 174-232 GHz SiGe Voltage-Controlled Oscillator

H. R. Aghasi, X. Liu, M. Tavakolli Taba, F. Khoeini, E. Afshari

IEEE TCAS-IIPublished

A Single-Switch 3.1-4.7 GHz 194.52-dB FoM Class-D VCO with 495 μW Power Consumption

X. Liu, B. Moradi, H. R. Aghasi

IEEE TCAS-IPublished

A 76-82 GHz VCO in 65 nm CMOS With 189.3 dBc/Hz PN FOM and -0.6 dBm Harmonic Power for mm-Wave FMCW Applications

B. Moradi, X. Liu, H. R. Aghasi

NeurIPS ML4PS Workshop

AICircuit: A Multi-Level Dataset and Benchmark for AI-Driven Analog Integrated Circuit Design

A. Mahdavifar, X. Zhao, Y. Niu, M. Alesheikh, H. R. Aghasi, S. Avestimehr

IEEE APS

An Electronically Tunable 28-34 GHz 2D Steerable Leaky Wave Antenna

M. Alesheikh, M. Maktoomi, S. Saadat, H. R. Aghasi

Invited Talk — Seattle

University of Washington

H. R. Aghasi

2023
3 publications
IEEE AccessPublished

Broadband Antenna Design for Terahertz Communication Systems

H. Maktoomi, S. Saadat, O. Momeni, P. Heydari, H. R. Aghasi

ESSCIRC

A 49-63 GHz Phase-Locked FMCW Radar Transceiver for High Resolution Applications

X. Liu, M. Maktoomi, M. Alesheikh, P. Heydari, H. R. Aghasi

ICML

Learning to Design Analog Circuits to Meet Threshold Specifications

D. Krylov, P. Khajeh, T. Reeves, J. Ouyang, T. Liu, H. R. Aghasi, R. Fox

2022
6 publications
IEEE TAPPublished

A Sub-Terahertz Wideband Stacked-Patch Antenna on a Flexible Printed Circuit for 6G Applications

H. Maktoomi, Z. Wang, H. Wang, S. Saadat, P. Heydari, H. R. Aghasi

IEEE Globecom

Quantifying the Capacity Gains in Coarsely Quantized SISO Systems with Nonlinear Analog Operators

F. Shirani, H. R. Aghasi

IEEE ISIT

MIMO Systems with One-Bit ADCs: Capacity Gains Using Nonlinear Analog Operations

F. Shirani, H. R. Aghasi

IEEE RFIC

A Compact CMOS 76-82 GHz Super-Harmonic VCO with 189 dBc/Hz FoM Based on Harmonic-Assisted ISF Manipulation

B. Moradi, X. Liu, M. Green, H. R. Aghasi

US Patent

Integrated Wideband Stepped-Chirp Radar Sensor

H. R. Aghasi, P. Heydari

Invited Talk

IEEE RFIC Symposium

H. R. Aghasi

2021
1 publication
IEEE APS

A GSG-Excited Ultra-Wideband 103-147 GHz Stacked Patch Antenna on Flexible Printed Circuit

H. Maktoomi, Z. Wang, H. Wang, S. Saadat, P. Heydari, H. R. Aghasi

2020
3 publications
IEEE Communications MagazinePublished

Millimeter-Wave Radars-on-Chip Enabling Next Generation Cyberphysical Infrastructures

H. R. Aghasi, P. Heydari

Applied Physics ReviewsPublished

Terahertz Electronics: Application of Wave Propagations and Nonlinear Processes

H. R. Aghasi, H. Naghavi, S. M. Tavakolitaba, M. Aseeri, A. Cathelin, E. Afshari

Invited Talk — Carlsbad, CA

MaxLinear Inc.

H. R. Aghasi

2019
3 publications
IEEE CICC

Fully Integrated Solutions for High Resolution Terahertz Imaging

A. Mostajeran, H. R. Aghasi, M. H. Naghavi, E. Afshari

Invited Talk — Hillsboro, OR

Intel Corporation

H. R. Aghasi

Invited Talk

University of California, Irvine

H. R. Aghasi

2018
7 publications
IEEE SSCLPublished

An 88 GHz Compact Fundamental Oscillator with 19.4% DC-to-RF Efficiency and 7.5 dBm Output Power in 130 nm SiGe BiCMOS

H. R. Aghasi, E. Afshari

Invited Talk — Holmdel, NJ

Acacia Communications

H. R. Aghasi

Invited Talk — Murray Hill, NJ

Nokia Bell Labs

H. R. Aghasi

Invited Talk — Billerica, MA

Anokiwave Inc.

H. R. Aghasi

Invited Talk — San Diego, CA

Integrated Device Technology (IDT)

H. R. Aghasi

Invited Talk — San Diego, CA

Qualcomm Inc.

H. R. Aghasi

Invited Talk — Ann Arbor

University of Michigan School of Medicine

H. R. Aghasi

2017
5 publications
IEEE JSSCPublished

A 0.92 THz SiGe Power radiator Based on a Nonlinear Harmonic Generation Theory

H. R. Aghasi, A. Cathelin, E. Afshari

ACM NANOCOM

Power-Efficient Terahertz Communication Circuits

H. R. Aghasi, E. Afshari

Invited Talk — Irvine, CA

Goodix Technology Inc.

H. R. Aghasi

Invited Talk — Boston, MA

Analog Photonics Inc.

H. R. Aghasi

Invited Talk — Amherst, MA

University of Massachusetts

H. R. Aghasi

2016
3 publications
IEEE TNANOPublished

Smart Detector Cell: A Scalable All-Spin Circuit for Low Power Non-Boolean Pattern Recognition

H. R. Aghasi, R. M. Iraei, A. Naeemi, E. Afshari

ESSCIRC

Design of Broadband mm-Wave and Terahertz Frequency Doublers

H. R. Aghasi, E. Afshari

Invited Talk — Ithaca, NY

Cornell University – EDS Seminar Series

H. R. Aghasi

2015
3 publications
IEEE JSSCPublished

A SiGe Terahertz Heterodyne Imaging Transmitter with 3.3 mW Radiated Power and Fully-Integrated Phase-Locked Loop

R. Han, C. Jiang, A. Mostajeran, M. Emadi, H. R. Aghasi, A. Cathelin, E. Afshari

IEEE MWCLPublished

Low Power Negative Inductance Integrated Circuit for GHz Applications

S. Saadat, H. R. Aghasi, E. Afshari, H. Mosallaei

IEEE ISSCC

A 320 GHz Phase-Locked Transmitter with 3.3 mW Radiated Power and 22.5 dBm EIRP for Heterodyne THz Imaging Systems

R. Han, C. Jiang, A. Mostajeran, M. Emadi, H. R. Aghasi, A. Cathelin, E. Afshari

2012
1 publication
IJCEEPublished

A Source Localization Based on Signal Attenuation and Time Delay Estimation in Sensor Networks

H. R. Aghasi, M. Hashemi, B. H. Khalaj

2011
2 publications
EURASIP JASPPublished

A Hybrid Global Minimization Scheme for Accurate Source Localization in Sensor Networks

H. R. Aghasi, H. Amindavar, A. Aghasi

IEEE ICT

Source Localization Through Adaptive Signal Attenuation Model and Time Delay Estimation

H. R. Aghasi, M. Hashemi, B. H. Khalaj