Materials Science and Engineering:
New materials
Optoelectronic functional materials and devices
Adhesive materials
Amorphous/crystalline materials
Building materials
Catalytic ceramic materials
Coating materials
Colloids and Materials Science
Composite Materials Science and Applications
Computer-aided material design
Conductive materials
Absorbing materials
Information and Communication Engineering:
Communication and Information Systems
Wireless communication and data transmission
Switching and broadband networks
Array signal processing
Satellite communication
Signal and Information Processing
Multimedia image processing
Array signal processing
Electromagnetic fields and waves
Cloud computing
Information Systems and Security
Internet of Things
Sensor network
Optoelectronic Science:
Optoelectronics
Optical Communication and Optical Networks
Fiber optic communication and systems
Optoelectronic measurement and sensing
Engineering Optics
Laser Principles and Applications
Optical storage and display technology
Spectroscopy
Electronic circuits and technology
Optoelectronic devices
Optoelectronic signal processing
Solar cell
Photovoltaic technology
Optical Information Processing Technology and Applications
Electromagnetic wave
Optical vortices 
Other related topics