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Cody Scarborough, PhD

Assistant Professor of

Electrical Engineering

Email:

cody.scarborough@colorado.edu

Phone:

303-492-7327

Biography

Cody Scarborough received his B.S. in electrical engineering from the University of Texas at Austin, Austin, TX, USA in 2017. He received his Ph.D. degree from the University of Michigan, Ann Arbor, MI, USA in 2022. His dissertation is entitled “Spatially-Discrete Traveling-Wave Modulated Electromagnetic Structures.” In August 2022, he joined the Department of Electrical, Computer and Energy Engineering, University of Colorado Boulder, Boulder, CO, USA, where he is currently an Assistant Professor. Professor Scarborough has made key research contributions in the analysis of space-time modulated electromagnetic structures. In 2019, he published a novel boundary condition, referred to as the interpath relation, that has proven essential to the analysis of spatially-discrete traveling-wave modulation. This analysis paved the way for the development of electromagnetic surfaces which control both the spatial and temporal characteristics of electromagnetic waves. In 2021, Professor Scarborough’s work on space-time modulated structures has been recognized with best student paper awards at both the 15th International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials) and the 15th European Conference on Antennas and Propagation (EuCAP 2021). His current research interests include non-linear electromagnetics, periodic structures, photonics, topological insulators, and conformal metamaterials. 

Education

August 2017 - August 2022

August 2013 - May 2017

The University of Michigan

Doctor of Philosophy in Electrical Engineering

Advisor: Anthony Grbic

GPA: 4.00

The University of Texas at Austin

Bachelor of Science in Electrical Engineering

Magna Cum Laude

GPA: 3.92

Journal Publications

J. Johnson and C. Scarborough, “An Iterative Technique for Computing Soliton Solutions to Periodic Nonlinear Electrical Networks,” Optical Materials Express, accepted for publication January 29, 2024. 

 

C. Scarborough and A. Grbic, "Generalized Eigenvalue Problem for Spatially Discrete Traveling-Wave-Modulated Circuit Networks," in IEEE Transactions on Microwave Theory and Techniques, vol. 71, no. 2, pp. 511-521, February 2023. 

C. Scarborough, Z. Wu, and A. Grbic, “Efficient Computation of Spatially-Discrete Traveling-Wave Modulated Structures,” IEEE Transactions on Antennas and Propagation, vol. 69, no. 12, pp. 8512-8525, December 2021. 

Z. Wu, C. Scarborough, and A. Grbic, “Space-Time-Modulated Metasurfaces with Spatial Discretization: Free-Space N-Path Systems,” Physical Review Applied, vol. 14, no. 6, pp. 64060-64079, December 2020. 

C. Scarborough and A. Grbic, "Accelerated N-Path Network Analysis Using the Floquet Scattering Matrix Method," in IEEE Transactions on Microwave Theory and Techniques, vol. 68, no. 4, pp. 1248-1259, April 2020. 

Short Courses

C. Scarborough, and A. Grbic, “Modeling and Design of Space-Time Modulated Electromagnetic Structures,” 18th European Conference on Antennas and Propagation (EuCAP 2023), Glasgow, UK, 2024. 

 

C. Scarborough, and A. Grbic, “Time and Space-Time Varying Electromagnetic Structures and Circuits,” 17th European Conference on Antennas and Propagation (EuCAP 2023), Florence, Italy, 2023. 

Conferences

 C. Scarborough, Q. Chen, Z. Wu, and A. Grbic, “Simulating Space-Time Structures using Commercial Solvers,” 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Denver, CO, USA, 2022, under review. 

C. Scarborough and A. Grbic, “Spatially-Discrete Traveling-Wave Modulation: A Higher-Order Space-Time Symmetry,” in The 16th European Conference on Antennas and Propagation (EuCAP 2022), 2022. 

C. Scarborough and A. Grbic, “Generalized Eigenvalue Problem for Spatially-Discrete Traveling-Wave-Modulated Circuit Networks,” 2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Marina Bay Sands, Singapore, 2021. 

C. Scarborough and A. Grbic, “Efficient Subharmonic Frequency Conversion Using Space-Time Induced Bound States in the Continuum,” in 2021 15th International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials), New York, NY, USA, 2021. 

C. Scarborough and A. Grbic, “The Interpath Relation for Spatially-Discrete Traveling-Wave Modulated Structures,” in The 15th European Conference on Antennas and Propagation (EuCAP 2021), 2021. 

C. Scarborough and A. Grbic, “A Novel Boundary Condition for Spatially-Discrete Traveling-Wave Modulation,” Waves in Time-Varying Media Workshop Series, London, UK, 2021. 

C. Scarborough and A. Grbic, “Modified Floquet Boundary Condition for Open Boundary Problems with N-Path Symmetry,” in 2020 14th International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials), New York, NY, USA, 2020. 

 

C. Scarborough and A. Grbic, “Coupled Line Unit Cell for Independent Control of Even and Odd Mode Phase Delays,” 2020 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Montréal, Québec, Canada, 2020. 

Z. Wu, C. Scarborough, and A. Grbic, “A Spatio-Temporally Modulated Metasurface as a Free-Space N-Path System,” in The 14th European Conference on Antennas and Propagation (EuCAP 2020), 2020. 

C. Scarborough and A. Grbic, “Modified Floquet Scattering Matrix Method for Solving N-path Networks,” 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Atlanta, GA, USA, 2019. 

 

A. Grbic, C. Scarborough, F. Salas and Z. Wu, “Time-Modulated Metamaterials and Metasurfaces: Design and Analysis,” 2019 International Conference on Electromagnetics in Advanced Applications (ICEAA), Granada, Spain, 2019. 

 

C. Scarborough and A. Grbic, “N-Path Network Analysis using the Floquet Scattering Matrix Method,” 2019 US National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM), Boulder, CO, USA, 2019. 

 

C. Scarborough, K. Venugopal, A. Alkhateeb, and R. W. Heath Jr., “Beamforming in Millimeter Wave Systems: Prototyping and Measurement Results,” The 88th IEEE Vehicular Technology Conference, VTC2018-Fall, 2018. 

 

A. Kumar, C. Scarborough, A. Yilmaz, and M. Orshansky, “Efficient simulation of EM side-channel attack resilience,” 2017 IEEE/ACM International Conference on Computer-Aided Design (ICCAD), 2017. 

Patents

Provisional Patent: C. Scarborough and A. Grbic, “Efficient Computation of Spatially-Discrete Traveling-Wave Modulated Structures”, Serial No. 63/238379, Filed August 30, 2021. 

Awards and Recognition

Spring 2022

Summer 2021

Summer 2021

Spring 2021

Spring 2021

Spring 2021

Fall 2020

Spring 2020

Summer 2019

Summer 2015

Finalist for Best Electromagnetics Paper Award at EuCAP 2022 

I have been nominated to compete for the Best Electromagnetics Paper Award at 16th European Conference on Antennas and Propagation (EuCAP 2022) for my paper entitled “Spatially-Discrete Traveling-Wave Modulation: A Higher-Order Space-Time Symmetry.” My paper is one of five selected to compete in a poster presentation before a panel of judges. 

Best Student Paper Award at Metamaterials 2021 

This award was presented to me at the 15th International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials) for my paper entitled “Efficient Subharmonic Frequency Conversion Using Space-Time Induced Bound States in the Continuum.” My paper was one of five selected to compete in a poster presentation before a panel of judges. 

Finalist for Best Experimental Poster at Waves in Time-Varying Media 

My paper entitled “A Novel Boundary Condition for Spatially-Discrete Traveling-Wave Modulation” was awarded third place at the Waves in Time-Varying Media Workshop Series. The award was sponsored by the Optical Society of America (OSA) intended to recognize research efforts with significant practical impact. 

Honorable Mention in the Graduate Student Instructor Award 

The Graduate Student Instructor Award is given to teaching assistants who demonstrate exceptional commitment to the learning process. I was selected for an honorable mention due to my dedication to the students in the course, developing labs that could be completed in a hybrid format during the COVID-19 pandemic. 

Best Student Paper Award at EuCAP 2021 

This award was presented to me at the 15th European Conference on Antennas and Propagation (EuCAP 2021) for my paper entitled “The Interpath Relation for Spatially-Discrete Traveling-Wave Modulated Structures.” My paper was one of five selected to compete in a poster presentation before a panel of judges. 

Finalist for Best Electromagnetics Paper Award at EuCAP 2021 

My paper entitled “The Interpath Relation for Spatially-Discrete Traveling-Wave Modulated Structures” was one of the five papers selected to compete for this award in a poster presentation at the 15th European Conference on Antennas and Propagation (EuCAP 2021). 

Exceptional Student Contributions Award at Metamaterials 2020 

This award, sponsored by the Royal Society of Chemistry, was given to two students at the 14th International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials). I was given the award for my paper titled “Modified Floquet Boundary Condition for Open Boundary Problems with N-Path Symmetry.” 

Finalist for Best Electromagnetics Paper Award at EuCAP 2020 

My paper published in collaboration with Zhanni Wu entitled “A Spatio-Temporally Modulated Metasurface as a Free-Space N-Path System” was one of the five papers selected to compete for this award in a poster presentation at the 14th European Conference on Antennas and Propagation (EuCAP 2020). 

Honorable Mention for Best Student Paper Competition at IEEE Symposium on Antennas and Propagation 

I received this award for my paper entitled “Modified Floquet scattering matrix method for solving N-path networks,” which I presented at the 2019 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting in Atlanta, Georgia. 

Applied Research Laboratories Honors Scholar Program 

Students who are accepted to the Honors Scholar Program take on a challenging technical project, under the supervision of a mentor, to addresses a practical problem. My project was to develop a deployable package capable of evaluating an environment as a potential site for a GPS monitoring station. 

Employment History

January 2017 - August 2017

May 2016 - January 2017

May 2015 - May 201

The University of Texas Computational Electromagnetics Group 

As an undergraduate researcher, I wrote a solver (in FORTRAN) to rapidly evaluate the radiation integral within the context of cryptographic integrated circuits. Using the computational resources at the Texas Advanced Computing Center, I parallelized my code amongst 4,000 cores to dramatically reduce the simulation time. Working with Dr. Ali Yilmaz and a graduate student in the cryptography community at the University of Texas, we developed a software which would determine the vulnerability of integrated cryptographic circuits to electromagnetic “side-channel” attacks. My contribution consisted of calculating the voltage signal induced across the terminals of a probe in the presence a cryptographic circuit while processing a carefully selected set of bytes. 

Wireless Network and Comm. Group (WNCG) 

Under the supervision of Dr. Robert Heath Jr., I designed, developed, and implemented a hybrid beamforming 5G (60 GHz) wireless system with phased array antennas. I wrote code to electronically steer power radiated by the antenna array, in addition to designing a feedback protocol to share the channel measurements made by the receiving system with the transmission system. 

Applied Research Labs (ARL)

At Applied Research Labs I gained experience in the field of Global Navigation Satellite Systems (GNSS). Here I applied my knowledge of signal processing, programming and circuit design, as I collaborated with other engineers to develop a GNSS signal quality analyzer package. This position provided me with the opportunity to operate spectrum analyzers, perform multipath analysis, and develop code within the environment of a Linux operating system. The package required customized circuits, and as such I gained experience designing, ordering, printing, and soldering circuit boards. 

Research Interests

Electromagnetics, Fields, and Waves 

Electromagnetic theory, scattering from rough surfaces and random media, remote sensing, optical waves in crystals, electromagnetic metamaterials, microwave engineering/measurements, antennas and wireless propagation, computational electromagnetics, space-time modulation, synthetic aperture radar, classical optics. 

 

Nonlinear Optical/Electronic Devices 

Quantum theory of engineering materials, non-reciprocal devices, nonlinear optics, solid state electronic devices, high throughput nanopatterning techniques, nanofabrication of active metamaterials 

Objective

As a tenure track faculty member in applied electromagnetics, I intend to apply my knowledge and skills to develop innovative electromagnetic technology that addresses modern challenges within wireless links. Beyond my role as a researcher, I aim to teach and inspire the next generation of engineers, preparing them for a future technological career in our interconnected society.  

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