About OIOE 2026 2026 3rd International Conference on Optoelectronic Information and Optical Engineering OIOE 2026 will be held in Changchun during March 6-8, 2026. The conference will focus on Optoelectronic Information and Optical Engineering, discuss the key challenges and research directions faced by the development of this field, in order to promote the development and application of theories and technologies in this field in universities and enterprises, and provide innovative scholars who focus on this research field, engineers and industry experts provide a favorable platform for exchanging new ideas and presenting research results. Highlights of OIOE 2026 include: Speeches and reports by high-level experts in the field of optoelectronics and optics Group Discussion Paper poster presentations and oral presentations in related fields Exchange and study of all kinds of personnel in the same industry

**(1) Photonics and Optoelectronics:** Lasers, Infrared Technology, Spectroscopy, Optoelectronics, Optical Communications, Photoelectric Information, Semiconductors, Terahertz Technology, Photoelectric Detection, Photoelectric Signals, Photoelectric Imaging, Photoelectric Equipment, Biophotonics, Medical Photonics, etc.

**(2) Optical Engineering:** Precision Instruments, Optical Sensors, Photovoltaic Technology, Integrated Optics, Liquid Crystals/Crystalline Materials, Modern Optical Materials, Quantum Optics, Nanophotonics, Special Luminescence, Optical Imaging and Measurement, Optical Integration, LiDAR (Light Detection and Ranging), Luminescent Materials, etc.

**(3) Energy and Power Electronics:** Electric Power, Clean Energy, Power Generation Technologies, New Energy Optoelectronics, Photovoltaic Systems, Solar Energy Engineering, and related fields in Energy and Power Electronics.

*Other relevant topics are also welcome for submission.*