Research
Optical Computing
Image from Y. Zhang et al. https://doi.org/10.1038/s41566-025-01799-7
We are committed to investigating the fundamental principles, methodologies, and engineering pathways for constructing low-power, low-latency optical processors based on optical chips and spatial optical systems. Such processors, which operate through direct electromagnetic field manipulation, exhibit promising potential for ultra-low power consumption. Nevertheless, significant scientific and technological challenges remain to be addressed across multiple dimensions, including foundational platform selection, physical control mechanisms, scalable fabrication processes, and the development of practical application ecosystems.
Related Publications:
- Y. Zhang, X. Guo* et al. Direct tensor processing with coherent light. Nature Photonics (2026)
- Z. Zhao, X. Guo* et al. High computational density nanophotonic media for machine learning inference. Nature Communications (2025)
- J. Xiang, X. Guo* et al. Photonic Neuromorphic Processing with On-Chip Electrically-Driven Microring Spiking Neuron. Laser & Photonics Reviews (2024)
Optical Sensing
Image from Y. Zhang et al. https://doi.org/10.1038/s41377-025-01984-x
We focus on the exploration and development of micro/nano-integrated optical sensors, dedicated to advancing high-performance miniaturized sensing devices through novel material systems, innovative design principles, and advanced analytical methods. Highly integrated optical sensors demonstrate broad application potential in intelligent systems and environmental interaction. Nevertheless, achieving outstanding performance under stringent volumetric constraints remains a core scientific and engineering challenge. Consequently, systematic innovation in design paradigms, material platforms, and analytical approaches holds significant scientific and practical importance.
Related Publications:
- Y. Zhang, X. Guo* et al. Miniaturized chaos-assisted Spectrometer. Light: Science & Applications (2025)
- Y. Zhang, X. Guo* et al. Miniaturized disordered photonic molecule spectrometer. Light: Science & Applications (2025)
- Y. Zhao, X. Guo* et al. Miniaturized computational spectrometer based on two-photon absorption. Optica (2024)
Optical Interconnection
Image from Y. Su et al. https://doi.org/10.1063/5.0232053
We are dedicated to exploring the core devices for optical interconnects targeting high-speed, low-power, and large-bandwidth applications. Our focus lies on designing and realizing novel integrated lasers, efficient couplers, high-speed modulators, and photodetectors, thereby advancing the realization of next-generation optoelectronic interconnection system architectures with higher integration density, lower energy consumption, and greater transmission bandwidth.
Related Publications:
- Y. Su*, X. Guo et al. When do we need Pbps photonic chips and what are the challenges?. Applied Physics Letter (2024)
- Y. Zhao, X. Guo* et al. Metamaterial-enabled Fully On-Chip Polarization-Handling Devices. Laser & Photonics Reviews (2023)
- W. Wei, A. He, X. Guo* et al. Monolithic integration of embedded III-V lasers on SOI. Light: Science & Applications (2023)
New Physics & Materials
Image from Y. Chen et al. https://doi.org/10.1038/s41467-025-58794-3
We are committed to fundamental research in integrated photonics, focusing on the exploration of new material systems, underlying physical principles, and macro-scale system-level regularities. We further investigate their innovative applications in cutting-edge fields such as optical computing, optical sensing, and optical interconnects.
Related Publications:
- Y. Chen, X. Guo* et al. High-dimensional non-Abelian holonomy in integrated photonics. Nature Communications (2025)
- Y. Zhang, X. Guo* et al. A non-volatile optical filter based on a Ge2Sb2Te5-assisted microring with a tunable bandwidth and extinction ratio. Journal of Physics D: Applied Physics (2024)
- X. Guo, Y. Su* et al. Ultra-wideband integrated photonic devices on silicon platform: from visible to mid-IR. Nanophotonics (2023)