Low Temperature 808 nm High Efficiency Semiconductor Laser Cover Article Enhanced Publication

School of Optoelectronic Engineering, Changchun University of Science and Technology,Changchun,China,130022;State Key Laboratory of High Power Semiconductor Laser, Changchun University of Science and Technology,Changchun,China,130022;College of Physics and Electronic Engineering, Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, Hainan Normal University,Haikou,China,571158;State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences,Xi'an,China,710119