Electrical engineering & scientific instrumentation

Engineering for better measurements.

I’m Ruopeng Jia, an electrical engineer studying how photonic devices, optical experiments, and computation can recover more information from weak signals.

Explore selected research Academic background

Ruopeng Jia presenting his research on coupled ring resonators — Master’s thesis defenseNortheastern University · April 2024

01 / Research portfolio

Selected research

All research projects

Schematic of the thesis’s ten-ring resonator chain, from the optical input to the drop port

Integrated photonics · M.S. thesis

Coupled resonator arrays

Used numerical optimization to shift selected optical resonances while limiting changes to neighboring modes.

Read about the thesis

Conceptual diagram of a free-space transmitter and photon detector separated by two kilometers

Optical measurement · Field experiment

Photon counting in the field

Aligned and calibrated a 2 km outdoor optical link and characterized its photon-counting signal and background.

See the field experiment

Illustrated detector pulse feeding a 16-bit model on an Arty A7 FPGA, with 2.78 microseconds of measured model-core latency

Scientific inference · Independent study

Detector waveforms on FPGA

Validated fixed-point inference on an Arty A7 using public CUORE data and measured 2.78 µs of model-core latency.

See the FPGA validation

02 / Research writing

Thesis & paper

M.S. thesis · Northeastern University · 2024

Engineering Supermodes of Coupled Resonator Arrays

Ruopeng Jia · Electrical and Computer Engineering

Read the full thesis PDF · 68 pages · 12.9 MB

Radio astronomy · 2022

Research on the Galaxy Rotation Model based on 21 cm Hydrogen Spectrum

Ruopeng Jia · Journal of Physics: Conference Series 2287, 012038

Read the paper

03 / Contact

Let’s talk research.

For research inquiries, collaboration, or to arrange a meeting, please reach out by email.

Email Ruopeng