Open AccessEditorial by Syed Agha Hassnain Mohsan 1,*, Muhammad Asghar Khan 2,* and Mumtaz Karatas 3 1 Optical Communication Laboratory, Ocean College, Zhejiang University, Zheda Road 1, Zhoushan 316021, China 2 Department of Electrical Engineering, Hamdard Institute of Engineering & Technology, Islamabad 44000, Pakistan 3 Department of Industrial Engineering, Turkish Naval Academy, National Defense University, 34940 Istanbul, Turkey * Authors to whom correspondence should be addressed.