Publications
You can also find my articles on my Google Scholar profile
Journal Papers
2021
J10. Toward High‐Speed and Energy‐Efficient Computing: A WDM‐Based Scalable On‐Chip Silicon Integrated Optical Comparator
- preprint
- Chenghao Feng, Zhoufeng Ying, Zheng Zhao, Jiaqi Gu, David Z. Pan, and Ray T. Chen
- Laser & Photonics Reviews 15 (8), 2000275
2020
J9. Wavelength-division-multiplexing (WDM)-based integrated electronic–photonic switching network (EPSN) for high-speed data processing and transportation
- preprint
- Chenghao Feng, Zhoufeng Ying, Zheng Zhao, Jiaqi Gu, David Z. Pan and Ray T. Chen
- Nanophotonics 9 (15), 4579-4588, 2020
J8. Sequential logic and pipelining in chip-based electronic-photonic digital computing
- preprint
- Zhoufeng Ying, Chenghao Feng, Zheng Zhao, Jiaqi Gu, Richard Soref, David Z Pan, Ray T Chen
- IEEE Transaction on Computer-Aided Design of Integrated Circuits and Systems (TCAD), Jun., 2020.
J7. Towards Hardware-Efficient Optical Neural Networks: Beyond FFT Architecture via Joint Learnability
- preprint
- Jiaqi Gu, Zheng Zhao, Chenghao Feng, Zhoufeng Ying, Mingjie Liu, Ray T Chen, David Z Pan
- IEEE Transaction on Computer-Aided Design of Integrated Circuits and Systems (TCAD), Sept., 2020.
J6. Electronic-photonic Arithmetic Logic Unit for High-speed Computing
- preprint
- Zhoufeng Ying, Chenghao Feng, Zheng Zhao, Shounak Dhar, Hamed Dalir, Jiaqi Gu, Yue Cheng, Richard Soref, David Pan, and Ray Chen
- Nature communications 11 (1), 1-9, 2020.
2019
J5. Analysis of microresonator-based logic gate for high-speed optical computing in integrated photonics
- preprint
- Chenghao Feng, Zhoufeng Ying, Zheng Zhao, Rohan Mital, David Z Pan, Ray T Chen
- IEEE Journal of Selected Topics in Quantum Electronics 26 (2), 1-8, 2019.
J4. Integrated multi-operand electro-optic logic gates for optical computing
- preprint
- Zhoufeng Ying, Chenghao Feng, Zheng Zhao, Richard Soref, David Pan, Ray T Chen
- Appl. Phys. Lett. 115, 171104 (2019).
J3. Automated logic synthesis for electro-optic logic-based integrated optical computing
- preprint
- Zhoufeng Ying, Zheng Zhao, Chenghao Feng, Rohan Mital, Shounak Dhar, David Z Pan, Richard Soref, Ray T Chen
- Optics express 26 (21), 28002-28012, 2019.
2018
J2. Efficient and accurate synthesis of complex Bragg grating waveguide in dispersive silicon structures
- preprint
- Chenghao Feng, Richard Soref, Ray T. Chen, Xiaochuan Xu, and Wei Jiang
- JOSA B 35 (8), 1921-1927
J1. Electro-optic ripple-carry adder in integrated silicon photonics for optical computing
- preprint
- Zhoufeng Ying, Shounak Dhar, Zheng Zhao, Chenghao Feng, Rohan Mital, Chi-Jui Chung, David Z Pan, Richard A Soref, Ray T Chen
- IEEE Journal of Selected Topics in Quantum Electronics 24 (6), 1-10.
Conference Papers
2022
### C17. Design and experimental demonstration of a hardware-efficient integrated optical neural network
- Chenghao Feng, Jiaqi Gu, Hanqing Zhu, David Pan, Ray T Chen
- Smart Photonic and Optoelectronic Integrated Circuits 2022, PC120050E
### C16. Optoelectronically interconnected hardware-efficient deep learning using silicon photonic chips
- Chenghao Feng, Jiaqi Gu, Hanqing Zhu, David Pan, Ray T Chen
- Optical Interconnects XXII, PC1200702
### C15. ELight: Enabling Efficient Photonic In-Memory Neurocomputing with Life Enhancement
- preprint
- Hanqing Zhu, Jiaqi Gu, Chenghao Feng, Mingjie Liu, Zixuan Jiang, Ray T. Chen, David Z. Pan
- ASPDAC 2022
2021
C14. L2ight: Enabling On-Chip Learning for Optical Neural Networks via Efficient in-situ Subspace Optimization
- preprint
- Jiaqi Gu, Hanqing Zhu, Chenghao Feng, Zixuan Jiang, Ray T. Chen, David Z. Pan
- NeurIPS 2021(accepted)
C13. Towards Memory-Efficient Neural Networks via Multi-Level in situ Generation
- preprint
- Jiaqi Gu, Hanqing Zhu, Chenghao Feng, Mingjie Liu, Zixuan Jiang, Ray T Chen, David Z Pan
- Proceedings of the IEEE/CVF International Conference on Computer Vision (ICCV), 2021, pp. 5229-5238
C12. Experimental Demonstration of a WDM-based Integrated Optical Decoder for Compact Optical Computing
- preprint
- Chenghao Feng, Jiaqi Gu, Hanqing Zhu, David Z Pan, Ray T Chen
- CLEO: Science and Innovations, SW3C. 3,2021.
C11. Scalable fast-Fourier-transform-based (FFT-based) integrated optical neural network for compact and energy-efficient deep learning
- Chenghao Feng, Jiaqi Gu, Zhoufeng Ying, Zheng Zhao, David Pan, Ray T. Chen
- Smart Photonic and Optoelectronic Integrated Circuits XXIII 11690, 116900I
C10. Wavelength-division-multiplexing-based electronic-photonic integrated circuits for high-performance data processing and transportation
- Chenghao Feng, Zhoufeng Ying, Zheng Zhao, Jiaqi Gu, David Pan, Ray T Chen
- Smart Photonic and Optoelectronic Integrated Circuits XXIII 11690, 116900R
2020
C9. Efficient On-Chip Learning for Optical Neural Networks Through Power-Aware Sparse Zeroth-Order Optimization
- preprint
- Jiaqi Gu, Chenghao Feng, Zheng Zhao, Zhoufeng Ying, Ray T Chen, David Z Pan
- IEEE/ACM International Conference on Computer-Aided Design (ICCAD), Nov. 02-05, 2020.
C8. FLOPS: Efficient On-Chip Learning for Optical Neural Networks Through Stochastic Zeroth-Order Optimization
- preprint
- poster
- Jiaqi Gu, Zheng Zhao, Chenghao Feng, Wuxi Li, Ray T. Chen and David Z. Pan
- ACM/IEEE Design Automation Conference (DAC), San Francisco, CA, Jul. 19-23, 2020. (Best Paper Candidate)
C7. Integrated WDM-based Optical Comparator for High-speed Computing
- preprint
- Chenghao Feng, Zhoufeng Ying, Zheng Zhao, Jiaqi Gu, David Z. Pan and Ray T. Chen
- CLEO: Science and Innovations, San Jose, CA, May 10-15, 2020.
C6. Compact design of On-chip Elman Optical Recurrent Neural Network
- preprint
- poster
- Chenghao Feng, Zheng Zhao, Zhoufeng Ying, Jiaqi Gu, David Z. Pan and Ray T. Chen
- CLEO: Science and Innovations, San Jose, CA, May 10-15, 2020.
C5. ROQ: A Noise-Aware Quantization Scheme Towards Robust Optical Neural Networks with Low-bit Controls
- preprint
- Jiaqi Gu, Zheng Zhao, Chenghao Feng, Ray T. Chen and David Z. Pan
- IEEE Design, Automation & Test in Europe Conference & Exhibition (DATE), Grenoble, France, Mar. 09-13, 2020.
C4. Wavelength-division-multiplexing based electronic photonic network for high speed computing
- preprint
- Chenghao Feng, Zhoufeng Ying, Zheng Zhao, Jiaqi Gu, David Z. Pan and Ray T. Chen
- SPIE Photonics West: Smart Photonic and Optoelectronic Integrated Circuits XXII, San Francisco, California, United States, Feb. 01-06, 2020.
C3. Towards Area-Efficient Optical Neural Networks: An FFT-based Architecture
- preprint
- Jiaqi Gu, Zheng Zhao, Chenghao Feng, Mingjie Liu, Ray T. Chen and David Z. Pan
- ACM/IEEE Asian and South Pacific Design Automation Conference (ASP-DAC), Beijing, China, Jan. 13-16, 2020. (Best Paper Award)
2019
C2. Power and Accuracy Co-Optimization of an Optical Full Adder via Optimization Algorithms
- Chenghao Feng, Zhoufeng Ying, Zheng Zhao, David Z Pan, Ray T Chen
- 2019 IEEE Photonics Conference (IPC), 1-2
C1. Fully integrated 20 Gbit/s silicon optical computing chip for 4-bit full adders
- Zhoufeng Ying, Chenghao Feng, Zheng Zhao, David Z Pan, Ray T Chen
- 2019 IEEE Photonics Conference (IPC), 1-2