CV

Contact Information

Name Yuhang Li
Professional Title Ph.D. Candidate
Email yuhanglizju@gmail.com

Professional Summary

Researcher with deep experience in AI-driven physical systems, spanning computational imaging, optical hardware, and deep learning. Skilled in diffractive optics, digital-optical hybrid system design, and image signal processing (ISP) pipelines. Proven ability to develop and optimize deep learning models, bridging physics-based modeling with AI approaches. Author of 30+ peer-reviewed papers in leading journals, including Nature and Science, with more than 1,300 citations.

Education

  • 2021 - present

    Los Angeles, CA

    Ph.D. Candidate
    University of California, Los Angeles (UCLA)
    Electrical and Computer Engineering
    • Expected graduation — Dec. 2026. GPA — 3.975/4.0.
    • Advisor — Prof. Aydogan Ozcan, Bio- and Nano-photonics Lab.
  • 2017 - 2021

    Hangzhou, China

    B.Eng.
    Zhejiang University, Chu Kochen Honors College
    Optical Science and Engineering
    • GPA — 3.95/4.0 (Rank — 3/130).
    • Thesis: Super-Resolution Imaging (advisor: Cuifang Kuang).

Industry Experience

  • 2026 - 2026

    Redmond, WA

    Research Scientist Intern
    Meta Reality Labs
  • 2020 - 2020

    Shanghai, China

    Optical Engineer Intern
    Daheng Optics Incorporation
    • Developed a diffractive phase microscope leveraging zero-order and first-order interference to extract phase profiles of samples, enabling accurate phase reconstruction of ~10 um plastic micro-beads.
    • Built a Time-Domain Optical Coherence Tomography (TD-OCT) system to extract depth information, achieving micron-scale depth detection through ~150-200 um of overlaid tape.

Academic Experience

  • 2024 - 2025

    Los Angeles, CA

    Optical Generative Model
    UCLA
    Graduate Student Researcher
    • Co-designed an end-to-end differentiable framework for a hybrid optical-digital system, distilling a diffusion model (DDPM) into a digital encoder and a holographic optical decoder for high-fidelity image synthesis.
    • Engineered and characterized a custom holographic display platform enabling ultra-fast, low-latency optical image generation, achieving FID scores of 131.08 (MNIST) and 18 dB PSNR on painting image synthesis, with < 1 ns optical processing speed.
  • 2021 - present

    Los Angeles, CA

    Diffractive Optics-based Computational Imaging and Display
    UCLA
    Graduate Student Researcher
    • Designed and experimentally validated diffractive optical systems for computational imaging by coupling differentiable light-propagation physics with custom deep learning architectures.
    • Trained a digital-twin neural network to predict and correct phase aberrations, reducing simulation-to-experiment mismatch and enhancing holographic image fidelity.
    • Developed a hardware-in-the-loop (HIL) training framework using Reinforcement Learning (RL), accelerating convergence by 4x and enhancing system robustness by ~50% against fabrication errors and misalignments.
    • Collaborated with Lawrence Livermore National Laboratory to co-design DOEs for imaging through occlusions, advancing robust optical sensing and computational photography in complex environments.
  • 2025 - 2025

    Los Angeles, CA

    Spectral Kernel Machines for Intelligent Spectral Vision
    UCLA
    Graduate Student Researcher
    • Led ML algorithm development for Spectral Kernel Machines, enabling ~2 us inference latency and two orders of magnitude improvements in speed and energy efficiency over conventional hyperspectral pipelines.
    • Applied methods to spectral machine vision, spanning segmentation, materials, and chemical analysis, delivering up to 98.6% accuracy, 100% blind-test classification, and sub-nanometer thickness discrimination.
    • Collaborated with UC Berkeley teams to integrate algorithms with real hardware; the resulting system was reported in Science.
  • 2025 - 2025

    Los Angeles, CA

    Super-Resolution Virtual Staining for Mass Spectrometry
    UCLA
    Graduate Student Researcher
    • Developed a Brownian-bridge diffusion model (BBDM) to perform image-to-image translation, achieving 10x super-resolution for virtual histology on label-free mass spectrometry data.
    • Designed an optimized noise-sampling strategy to stabilize the training of the latent diffusion model, reducing output variance by 15% and ensuring consistent, high-fidelity results.
    • Outperformed SOTA conditional GAN baselines across key metrics (SSIM, LPIPS, PSNR), establishing a new benchmark for virtual staining performance.
  • 2024 - 2025

    Los Angeles, CA

    Materials Detection Using Terahertz Spectral Signal and Deep Learning
    UCLA
    Graduate Student Researcher
    • Engineered a transformer-based spectral-spatial model for semantic segmentation of chemical components from raw terahertz spectral data, achieving 90% pixel-level accuracy and enabling robust material recognition.
    • Developed a physics-aware post-processing pipeline (morphological filtering + spatial consistency) to suppress noise and boost image-level classification to >95%.
    • Worked in a cross-lab collaboration spanning terahertz hardware, spectroscopy, and deep learning to align model outputs with real physical measurements.

Awards

  • 2026
    Dissertation Year Award Fellowship (Fall 2026)
    UCLA
  • 2024
    Emil Wolf Outstanding Student Paper Competition
    Optica, Frontiers in Optics + Laser Science (FiO LS)
  • 2023
    Best Early Career Researcher Presentation (Silver)
    SPIE Optics + Photonics
  • 2020
    First-Class Scholarship for Outstanding Merits (2018-2020)
    Zhejiang University

    Awarded to students ranking in the top 3% out of ~6,000 peers across the university.

Skills

Programming Languages: Python (PyTorch, TensorFlow, JAX), MATLAB
Software: Inventor, SolidWorks, Zemax, Tidy3D (FDTD)
Laboratory: Optical simulation, optical system prototyping, Arduino, Raspberry Pi, 3D printing

Languages

Chinese (Mandarin) : Native speaker
English : Fluent