# Ioannis Fragkos > MTS | Hardware Engineer Location: San Francisco Bay Area, United States Profile: https://flows.cv/ioannis • Product and design engineering of semiconductor devices; • Semiconductor lasers, electro-absorption modulators, optical amplifiers, photodiodes for optical communication and sensing applications; • Light emitting diodes for solid state lighting and display applications; • III-V and III-N epitaxy and device design; • Reliability and Qualification; • Test, characterization and data analysis; • Semiconductor materials and device fabrication and characterization; • Semiconductor process development and optimization; ## Work Experience ### MTS | Hardware Engineer @ cspeed inc Jan 2025 – Present | Palo Alto, California, United States Hardware Design Engineering · III–V Active Device Design · Reliability Engineering ### Sr. Hardware Engineer @ OpenLight Jan 2023 – Jan 2025 | Santa Clara, California, United States Product engineering · Heterogeneously integrated InP devices · Silicon photonics ### Lead Product Engineer @ Coherent Corp. Jan 2022 – Jan 2023 | Fremont, California, United States Product engineering of InP based active devices for optical communication ### Senior Laser Design Engineer @ Rockley Photonics Inc. Jan 2019 – Jan 2022 | Pasadena, California, United States Design of InP based active devices for optical communication and sensing applications · Silicon photonics ### Research Assistant , PhD @ Lehigh University Jan 2014 – Jan 2019 | Bethlehem, Pennsylvania, United States Research on III-nitride (III-N) based visible light emitters targeting high-efficiency red emission ### Research Fellow @ CEMOP UNINOVA Jan 2012 – Jan 2013 | Lisbon, Portugal Research on the growth and characterization of various transparent conductive oxides for thin-film transistor applications ### Research Assistant , MSc @ Foundation for Research and Technology - Hellas (FORTH) Institute of Electronic Structure & Laser Jan 2010 – Jan 2012 | Iráklion, Crete, Greece Research on the growth and characterization of transparent conductive oxide ZnO for thin-film transistor applications ## Education ### Doctor of Philosophy (PhD) in Electrical Engineering Lehigh University ### Master of Opto-Microelectronics in Microelectronics - Optoelectronics University of Crete ### Bachelor of Physics in Physics University of Crete ## Contact & Social - LinkedIn: https://linkedin.com/in/ioannis-fragkos-582aa97a --- Source: https://flows.cv/ioannis JSON Resume: https://flows.cv/ioannis/resume.json Last updated: 2026-04-05