Pengfei Q
Hardware @ Apple
About
Pengfei Qiao received the M.S. and Ph.D. degrees from University of Illinois at Urbana-Champaign in 2012 and 2015, respectively, both in Electrical and Computer Engineering. Dr. Qiao joined UC Berkeley as a postdoctoral researcher in 2015. His research areas include optoelectronic devices, integrated photonics, electromagnetics, and semiconductor physics. Dr. Qiao specializes in design and development of: 1. Optoelectronic devices: VCSELs, EELs, nanolasers, tunable lasers, photodetectors, etc. 2. Photonic structures: Gratings, metasurfaces/metastructures, micro/nano-cavities, etc. 3. Compound semiconductor materials: Epitaxy, quantum wells, quantum dots, superlattices, etc. 4. Photonic integration and nonlinear optics III-V on Si, mode-locked lasers, supercontinuum, frequency combs, etc.
United States
Berkeley
Telecommunications
Electromagnetics, Semiconductor Lasers, Photonics, Scanning Electron Microscopy, Nanotechnology, Microfabrication, Photolithography, Characterization, LaTeX, Matlab, COMSOL, Spectroscopy, Optoelectronics, Quantum Mechanics, Solid State Physics, Computational Electromagnetics, Photoluminescence, Electroluminescence, Infrared photodetectors, Fabrication
Experience
Hardware
Apple
Senior Staff Engineer and R&D Manager
Pinnacle Photonics (US), Inc.
Berkeley, California, United States
Senior Optical Engineer
Lumentum
San Francisco Bay Area
VCSEL development 3D Sensing High-Speed Data Communication
Postdoctoral Researcher
University of California, Berkeley
Widely tunable high-contrast-grating VCSELs Metastructures and metasurfaces Heterogeneous integrated photonics - FMCW LiDAR Direct on-chip optical synthesizer - supercontinuum and frequency comb generation
Graduate Research Assistant
University of Illinois Urbana-Champaign
Urbana, IL 61801
Metal cavity quantum-dot/quantum well nanolasers High-power single-mode VCSELs MEMS controlled high contrast grating tunable VCSELs Type-II superlattice mid-infrared photodetectors
Undergraduate Student
The University of Hong Kong
Hong Kong
Electromagnetic modeling of photonic crystals, Spontaneous emission rate in inhomogeneous media.
Education
University of Illinois Urbana-Champaign
Electrical and Computer Engineering
Ph.D. thesis advisor: Professor Shun Lien Chuang Co-advisors: Professor Weng Cho Chew and Professor John Dallesasse Projects: Theory and experiment of quantum dot/quantum well nanolasers MEMS controlled high contrast grating tunable VCSELs
University of Illinois Urbana-Champaign
Electrical and Computer Engineering
Master Thesis Advisor: Professor Shun Lien Chuang Project: Theory and experiment of type-II superlattice midinfrared photodetectors
The University of Hong Kong
Electronic and Communications Engineering
Senior Thesis Advisor: Professor Weng Cho Chew
Pengfei Q's Contact Information
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