Cristian Cassella

Assistant Professor,  Electrical and Computer Engineering

Contact

Office

  • 422 ISEC
  • 617.373.7509

Research Focus

Acoustic resonators, nonreciprocal components, zero-power sensors for IoT, nonlinear dynamics, ultrasonic transducers

Education

  • PhD, Carnegie Mellon University, 2015

Honors & Awards

  • National Science Foundation CAREER Award
  • Marie Skłodowska-Curie Individual Fellowship

Research Overview

Acoustic resonators, nonreciprocal components, zero-power sensors for IoT, nonlinear dynamics, ultrasonic transducers

Microsystems Radio Frequency Laboratory

Our goal is to explore unveiled fundamental physics, in micro and nano devices, to surpass the performance limitations of currently available communication and sensing systems.

Microsystems Radio Frequency Laboratory

Selected Research Projects

Department Research Areas

Selected Publications

  • H.M.E. Hussein, M. Rinaldi, M. Onabajo, C. Cassella, A chip-less and battery-less subharmonic tag for wireless sensing with parametrically enhanced sensitivity and dynamic range. Sci Rep 11, 3782 (2021).
  • X. Zhao, L. Colombo, Cristian Cassella, Aluminum Nitride Two-Dimensional-Resonant-Rods, Applied Physics Letters, 116(14), 2020, 143504
  • H.M. Hussein, M.A. Ibrahim, G. Michetti, M. Rinaldi, M. Onabajo, C. Cassella, Systematic Synthesis and Design of Ultra-Low Threshold 2:1 Parametric Frequency Dividers, IEEE Microwave Theory and Techniques, 2020
  • C. Cassella, J. Segovia-Fernandez, High K2⁄t Exceeding 6.4% Through Metal Frames in Aluminum Nitride 2-D Mode Resonators, IEEE transactions on Ultrasonics, Ferroelectrics, and Frequency Control 66(5), 2019, 958-964
  • J.M. Puder, J.S. Pulskamp, R.R. Rudy, C. Cassella, M. Rinaldi, G. Chen, S. Bhave, R.G. Polcawich Rapid Harmonic Analysis of Piezoelectric MEMS Resonators, IEEE Transactions on Ultrasonic Ferroelectrics, and Frequency Control, 6(65), 2018, 979-990
  • G. Chen, C. Cassella, T. Wu, M. Rinaldi, Single-Chip Multi-Frequency Wideband Filters Based on Aluminum Nitride Cross-Sectional Lamé Mode Resonators with Thick and Apodized Electrodes, IEEE Micro Electro Mechanical Systems, 2018, 775-778

Faculty

Sep 20, 2022

Northeastern in Top 100 Universities with U.S. Utility Patents

For the seventh consecutive year, Northeastern University has appeared in the National Academy of Inventors (NAI) list of Top 100 Universities that were granted U.S. utility patents in 2021, cementing it as a world leader in academia and research.

Marvin Onabajo, Miriam Leeser, Cristian Cassella

Faculty

Sep 09, 2022

Designing Self-Adaptive Next Generation RF Receivers for Heavily Crowded Electromagnetic Environments

ECE Associate Professor Marvin Onabajo, Professor Miriam Leeser, and Assistant Professor Cristian Cassella were awarded a $750K NSF grant for “Advancing Coexistence through a Cross-Layer Design Platform with an Adaptive Frequency-Selective Radio Front-End and Digital Algorithms.”

Cristian Cassella

Faculty

Aug 12, 2022

Using Subharmonic Tags to Sense and Navigate

ECE Assistant Professor Cristian Cassella, in collaboration with Rogers Corporation, received a grant for $148K for “Subharmonic Tags on Magneto-Dielectric Substrates.”

Xuanyi Zhao

PhD

May 02, 2022

Xuanyi Zhao wins best student paper award at IEEE EFTF/IFCS 2022

ECE student Xuanyi Zhao, PhD’23, advised by Assistant Professor Cristian Cassella, won the best student paper award at the 2022 Joint conference of the European Frequency and Time Forum & the IEEE International Frequency Control Symposium (IEEE EFTF/IFCS 2022) in Paris for his paper on “Improving Thermal Linearity and Quality Factor of AlScN Contour Mode […]

Matteo Rinaldi and Cristian Cassella

Faculty

Oct 29, 2021

Piezoelectric Cross-Sectional Lame Mode Transformer

ECE Professor Matteo Rinaldi and Assistant Professor Cristian Cassella were awarded a patent for “Piezoelectric cross-sectional Lamé mode transformer.”

Cristian Cassella

Faculty

Jul 06, 2021

Creating a Mass-Producible Ising Machine for Quantum-like Computing and Optimization at Room Temperature

ECE Assistant Professor Cristian Cassella, in collaboration with Prof. Philip Feng from the University of Florida, has been awarded a $500K NSF grant on “Massive Scale Computing and Optimization through On-chip ParameTric Ising MAchines (OPTIMA)”.

graphic of technology

Faculty

Feb 17, 2021

Subharmonic Tag for Wireless Sensing

ECE PhD student Hussein Hussein, Professor Matteo Rinaldi, Associate Professor Marvin Onabajo, and Assistant Professor Cristian Cassella had their research on “A chip-less and battery-less subharmonic tag for wireless sensing with parametrically enhanced sensitivity and dynamic range” published in Scientific Reports from the Nature group.

Cristian Cassella

Faculty

Jan 27, 2021

Cassella Receives NSF CAREER Award to Exchange Massive Data in Crowded in Noisy Mediums

Assistant Professor Cristian Cassella, electrical and computer engineering, received a $409K NSF CAREER award for “Giant Tunability through Piezoelectric Resonant Acoustic Metamaterials for Radio Frequency Adaptive Integrated Electronics”.

Cristian Cassella

Faculty

Oct 01, 2020

Using Two-Dimensional Mode Resonators for High Frequency Filtering

ECE Assistant Professor Cristian Cassella as awarded a patent for “Two-dimensional mode resonators”.

Matteo Rinaldi and Cristian Cassella

Faculty

Jun 03, 2020

Rinaldi and Cassella Awarded Patent for “Microelectromechanical Resonant Circulators”

ECE Associate Professor Matteo Rinaldi and Assistant Professor Cristian Cassella were awarded a patent for “Microelectromechanical resonant circulator”.

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