Jingchao Fang
Cambridge,MA
Summary
PhD student with expertise in optical coherence tomography, photonics integrated circuits, and quantum optics. Demonstrated success in developing innovative systems and collaborating on transformative projects. Strong analytical skills, and commitment to advancing commercialization in medical devices and photonics.
Overview
5
5
years of professional experience
Work History
PhD Graduate Assistant
Mass General Hospital
Somerville, Massachusetts
04.2024 - Current
- Advisor: Dr. Benjamin Vakoc and Dr. Marko Lončar.
- Developing transformative, low-cost optical coherence tomography (OCT) systems based on thin-film lithium niobate (TFLN).
- Collaborated with HyperLight Corporation on its multi-project wafer (MPW) run to make 1,064 nm TFLN-OCT.
- Packaged and tested system-level TFLN chips for biomedical use.
- Simulated TFLN devices and designed TFLN circuits.
- Fabricated TFLN devices at the Harvard Center for Nanoscale Systems (CNS) for time-efficient system development.
- Investigated how quantum noise influences OCT performance to improve future design.
PhD Graduate Assistant
Harvard University
Cambridge, Massachusetts
09.2023 - 04.2024
- Advisor: Dr. Marko Lončar.
- Simulated and designed polarization controller on TFLN.
- Mastered nano-fabrication and nano-characterization skills at Harvard CNS.
Research Assistant
Peking University
Beijing, China
09.2020 - 06.2023
- Advisor: Dr. Jian Wang.
- Conducted research on quantum materials and superconductors.
Research Assistant
University of California, Berkeley
Berkeley, California
01.2022 - 08.2022
- Advisor: Dr. Michael Crommie.
- Built electron spin resonance scanning tunneling microscope (ESR-STM) systems to study quantum spin.
- Improved performance of ESR-STM through proper radio frequency (RF) engineering.
Education
Ph.D. - Quantum Science And Engineering
Harvard University
Cambridge, Massachusetts, MA05-2028
Master of Science - Applied Physics
Harvard University
Cambridge, Massachusetts, MA02-2026
Bachelor of Science - Physics
Peking University
Beijing, China06-2023
Skills
- Optical coherence tomography
- Nanofabrication techniques
- Photonics simulation (Tidy3D, Lumerical, COMSOL)
- Photonics integrated circuits generation and testing
- Laser fabrication
- Quantum optics
- RF engineering
- PCB design and optimization
- Data analysis
Publication
- Observation of in-plane quantum Griffiths singularity in two-dimensional crystalline superconductors (Physical Review Letters)
- Quantum Griffiths singularity in a three-dimensional superconductor to Anderson critical insulator transition (Physical Review Letters)
- The activated scaling behavior of quantum Griffiths singularity in two-dimensional superconductors (Journal of Physics D: Applied Physics)
Timeline
PhD Graduate Assistant
Mass General Hospital
04.2024 - Current
PhD Graduate Assistant
Harvard University
09.2023 - 04.2024
Research Assistant
University of California, Berkeley
01.2022 - 08.2022
Research Assistant
Peking University
09.2020 - 06.2023
Ph.D. - Quantum Science And Engineering
Harvard University
Master of Science - Applied Physics
Harvard University
Bachelor of Science - Physics
Peking University