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

Selected Research Projects

  • Ferroelectric Integrated and Reconfigurable ScAlN Technologies
    • Co-Principal Investigator, DARPA
  • Fully Integrated Parametric Filters for Extensive Phase- Noise Reduction in Low-Power RF Front-Ends and Resonant Sensing Platforms
    • Principal Investigator, National Science Foundation

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
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

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”.

Cristian Cassella

Faculty

Mar 30, 2020

Applied Physics Letters Featured Article

ECE Assistant Professor Cristian Cassella recently had his article, Aluminum Nitride Two-Dimensional-Resonant-Rods accepted in Applied Physics Letters Journal.

Portraits of Cassella, Onabajo, and Rinaldi

Faculty

Aug 23, 2019

Cassella Receives NSF Award to Enable Longer Battery Lifetime and Next-Generation Micro- and Nano-Sensors

ECE Assistant Professor Cristian Cassella (PI), Associate Professor Marvin Onabajo, and  Associate Professor Matteo Rinaldi received a $437K NSF award from the CCSS-Comms Circuits & Sens Sys program for “Fully Integrated Parametric Filters for Extensive Phase-Noise Reduction in Low-Power RF Front-Ends and Resonant Sensing Platforms.” The research program aims to exploit, for the first time, […]

Faculty

Aug 30, 2018

New Faculty Spotlight: Cristian Cassella

Cristian Cassella joins the Electrical & Computer Engineering department in August 2018 as an Assistant Professor.

Faculty

Oct 06, 2017

Rinaldi & McGruer Featured on Cover of Nature Nanotechnology

ECE Associate Professor Matteo Rinaldi and Professor Nicol McGruer’s research on “Zero-power infrared digitizers based on plasmonically enhanced micromechanical photoswitches” was featured on the cover of Nature Nanotechnology.

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