CV

Education

M.S., Rensselaer Polytechnic Institute, Applied Mathematics, 2019.09 - 2022.05 (expected)
M.E., Rensselaer Polytechnic Institute, Semiconductor Optics in department of Chemical Engineering, 2018.09 - 2021.12
B.S., Nanjing University, Physics, 2014.09 - 2018.06

2021.05 - 2022.05: Research Assistant in Machine Learning @ Prof. Yangyang Xu’s Group
- Performed optimization methods and convergence analysis to design new algorithms for applications in machine learning, deep learning, distributed/federated learning.
- Applied Top-k Sparsification and Low-bit Quantization for data compression, saved memory usage by 77% for large-batch deep training of neural networks.
- Ran numercial experiments based on machine learning models (e.g. LeNet5, FCNNs, Faster-RCNN, YOLO) to tackle image classification and object detection problems, with implementation on Fashion-MNIST, Cifar10, ImageNet, COCO datasets.
2018.09 - 2021.05: Research Assistant in Semiconductor Optics @ Ultrafast Nanoscale Optoelectronics Group
- Fabricated and characterized devices by cleanroom techinuqes like E-beam lithography, LP-CVD, AFM, SEM.
- Investigated strong correlated systems and excitonic states in low dimensional materials like WSe2, to understand electron-electron and electron-phonon interaction for future valleytronics, quantum computing, laser, energy harvesting and photon detection applications.
- Designed optical imaging system and tested the self fabricated nanoscale devices to study the optical and electrical properties of two-dimensional layered semiconductors.
- Processed large-scale data sets, implemented simulation using Monte Carol, DFT, FDTD, COMSOL.

Programming Language: Python (Scikit-Learn, PyTorch, TensorFlow, OpenCV, Keras), MATLAB, C/C++, R, Java, LabVIEW
Machine Learning: Deep Learning, Optimization, Computer Vision, NLP, Predictive Modeling, Regression, Image Processing, Hypotheses Testing
Data Analytics: A/B Testing, Casual Inference, Tableau, PowerBI, SAS, Google Analytics, Microsoft Excel
Database Processing: SQL, AWS S3, Google Cloud BigQuery; Data Engineering: Spark, Hadoop, Hive, MapReduce
Optical Engineering: CCD/CMOS detectors, camera, spectrometer, lasers, microscopes, lens, waveplates, waveguides, LED, quantum dots
Fabrication & Characterization: E-beam lithography, CVD, ALD, AFM, SEM, XRD; Raman, PL, FTIR spectroscopy
Modeling and Simulation: Monte Carlo, FDTD, RCWA, DFT, COMSOL