- Optics, Lasers, Photonics, Optical Devices 11
- Communications Engineering, Networks 6
- Computer Communication Networks 6
- Electrical Engineering 6
- Physics, general 6
- Characterization and Evaluation of Materials 5
- Signal, Image and Speech Processing 4
- Biological and Medical Physics, Biophysics 2
- Computational Intelligence 2
- Computer Applications 2
- Aerospace Technology and Astronautics 1
- Artificial Intelligence 1
- Big Data/Analytics 1
- Biochemistry, general 1
- Biomedical Engineering and Bioengineering 1
- Biomedicine, general 1
- Biotechnology 1
- Computational Biology/Bioinformatics 1
- Control, Robotics, Mechatronics 1
- Data Engineering 1