George Alexopoulos

George Alexopoulos Email and Phone Number

Graduate Research Fellow @ Stanford University
Stanford, CA, US
George Alexopoulos's Location
Stanford, California, United States, United States
George Alexopoulos's Contact Details

George Alexopoulos work email

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About George Alexopoulos

Stanford PhD Candidate and Research Fellow in Dr. Ada Poon's lab. 8 years of research experience in RF/electromagnetic circuit and system design and measurements. 3 years of research experience in passive sensing systems, coupled resonator electromagnetics and circuit design. 3 years of research experience in biomedical systems/imaging, information theory, and multiphysics approaches combining electromagnetics and ultrasound. Heavy experience with HFSS/ADS/circuit simulators and measurement instrumentation including VNAs, PNAs, spectrum analyzers, oscilloscopes, load/source pull equipment, amplifiers, waveform generators, etc. Looking for internship/part-time opportunities in RF and Microwave design/engineering for aerospace, biomedical, and/or IoE applications.

George Alexopoulos's Current Company Details
Stanford University

Stanford University

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Graduate Research Fellow
Stanford, CA, US
George Alexopoulos Work Experience Details
  • Stanford University
    Graduate Research Fellow
    Stanford University
    Stanford, Ca, Us
  • Stanford University
    Graduate Research Fellow
    Stanford University Sep 2017 - Present
    Stanford, Ca, Us
    Stanford Integrated Biomedical Systems (Dr. Ada Poon)• Investigating the application of quantum mechanical concepts such as parity-time (PT) symmetry and multi-resonator theory to achieve high-degree-of-freedom, multiple resonant mode (frequency) electronic coupled-resonator systems for wireless readout and actuation• Mathematical modeling and solving of electronic coupled multi-resonator system response• Broadband (DC to low mm-Wave) electromagnetic modeling and optimization of capacitive and inductive coupling methods in the presence of dielectric media in HFSS and CST• Modeled and designed real-time, coupling-insensitive wireless resistive sensing system using nonlinear PT symmetric electronics• Co-authored chapter reviewing and analyzing the performance and sensitivity of state-of-the-art wireless readout techniques in biomedical applications• Leveraging coupling-insensitive characteristics of nonlinear PT-Symmetric electronics in matching networks• Design and modeling of capacitive stimulation/actuation system for chip-in-cell applications• Design and modeling of high-order, high-frequency, PT-Symmetric, multi-electrode sensing platform for chip-in-cell applications in Cadence and HFSS
  • Stanford University
    Course Grader
    Stanford University Jun 2018 - Present
    Stanford, Ca, Us
    • Summer 2018: ENGR 040M• Fall 2018: EE 315• Fall 2018: EE 242• Winter 2019: EE 252• Spring 2019: EE 101B• Fall 2019: EE 242• Spring 2020: EE 101B• Fall 2020: EE 242• Winter 2021: EE 225
  • Stanford University
    Course Assistant
    Stanford University Sep 2020 - Dec 2020
    Stanford, Ca, Us
    • Taught topics in graduate electromagnetics including optical waves in layered media, guided waves, electromagnetic computation, and electromagnetic radiation for one quarter under Professor Jonathan Fan • Taught in an online-only format during the Fall 2020 quarter• Received average rating of 4.1/5.0 on student-based course evaluations
  • Stanford University
    Course Assistant
    Stanford University Mar 2019 - Jun 2020
    Stanford, Ca, Us
    EE 303–Autonomous Implantable Systems• Taught topics in implantable devices including sensors, energy harvesting, stimulation/actuation, and applications for two quarters under Professor Ada Poon • Taught in an online-only format during the Spring 2020 quarter• Received average rating of 4.3/5.0 on student-based course evaluations
  • Stanford University
    Course Assistant
    Stanford University Sep 2017 - Mar 2018
    Stanford, Ca, Us
    EE 216 - Principles and Models of Semiconductor Devices• Taught semiconductor device topics including material and energy band physics, PN & MS diode physics, optical devices, and transistor physics for two quarters under Professors James Harris, Roger Howe, and Eric Pop • Designed and graded problem sets and midterm/final exams• Taught and reviewed course topics in weekly office hours and review sessions recorded live by the Stanford Center for Professional Development (SCPD) for more than 50 on-campus and remote students• Received average rating of 4.5/5.0 on student-based course evaluations
  • Stanford University
    Graduate Research Fellow
    Stanford University Sep 2015 - Sep 2017
    Stanford, Ca, Us
    DC-Terahertz Group (Dr. Amin Arbabian)• Designed microwave non-contact thermoacoustic tracking system for medical interventional devices• Optimized microwave power deposition in biological tissues through HFSS and ANSYS Multiphysics packages• Performed dielectric characterization of human phantom materials• Created a 2-D trilateration setup achieving mm-scale tracking accuracy using an array of CMUTs (capacitive micromachined ultrasound transducers) to detect the location of the device in a human tissue phantom• Modeled 3D pressure wave generation and propagation through the Matlab k-wave toolbox• Performed signal analysis using short time FFT, cross-correlation, and other signal processing techniques• Worked extensively with laboratory/measurement equipment including signal generators, power amplifiers, oscilloscopes, VNAs, as well as protocols for measurement acquisition and control
  • Qualcomm
    Electrical Engineering Intern
    Qualcomm Jun 2019 - Oct 2019
    San Diego, Ca, Us
    • Worked under the supervision of Dr. Mazhareddin Taghivand and Dr. Kamal Aggarwal• Analyzed performance of polar vs Cartesian (I/Q) transmitter architectures for low PAPR and high power efficiency applications• Designed a full-scale TX radio for low output power IoT/WiFi applications• Achieved high-efficiency performance for full transmit chain including D/A conversion• Trained extensively with IC schematic and layout tools in Cadence including PeakView for transformer/transmitter co-design
  • Georgia Institute Of Technology
    Undergraduate Research Assistant
    Georgia Institute Of Technology May 2011 - Jun 2015
    Atlanta, Georgia , Us
    • Developed fully automated system in NI LabView to measure & optimize antenna gain vs. spatial orientation• Learned calibration techniques, measurement setup, and load/source-pull measurements on Maury ATS and IVCAD software for NSF-funded research on microfluidics in power amplifier design• Developed ADS and HFSS simulation models for frequency-tunable matching networks over microfluidic channels on organic substrates for a class-A power amplifier design• Designed and created photolithography masks in HFSS & ADS for wideband hybrid encapsulated package integrating multiple semiconductor and interconnect technologies on one organic platform• Designed wideband (2-20 GHz) Wilkinson Power Divider and Balun for 1×4 dipole antenna array in HFSS
  • Georgia Institute Of Technology
    Residence Assistant
    Georgia Institute Of Technology Aug 2011 - May 2015
    Atlanta, Georgia , Us
    • Patrolled and monitored over 6 different residence halls for safety and security.• Planned and executed programs based on Institute learning goals (personal development, professional development, community development, service, and cultural development) for mostly freshman residents. Examples include political discussions during the 2012 elections, intramural sports, visits to Atlanta locations such as the Shakespeare Tavern, the High Museum, Phillips Arena, etc.• Planned and executed community service opportunities such as Tech beautification Day, Game Day Recycling, Tech Day of Service, City of Refuge Homeless Shelter, etc. with the goal of allowing residents to connect with and help people outside of their socioeconomic status.• Residence Assistant of the Year (2012-2013)

George Alexopoulos Education Details

  • Stanford University
    Stanford University
    Electrical And Electronics Engineering
  • Stanford University
    Stanford University
    Electrical And Electronics Engineering; Master'S In Electrical Engineering
  • Georgia Institute Of Technology
    Georgia Institute Of Technology
    Energy Systems

Frequently Asked Questions about George Alexopoulos

What company does George Alexopoulos work for?

George Alexopoulos works for Stanford University

What is George Alexopoulos's role at the current company?

George Alexopoulos's current role is Graduate Research Fellow.

What is George Alexopoulos's email address?

George Alexopoulos's email address is ge****@****ord.edu

What schools did George Alexopoulos attend?

George Alexopoulos attended Stanford University, Stanford University, Georgia Institute Of Technology.

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