Text this: INJECTION LOCKING OF SEMICONDUCTOR LASERS

            _____    _    _    __   __    ______  
    ___    |  ___|| | |  | ||  \ \\/ //  /_   _// 
   /   ||  | ||__   | |/\| ||   \ ` //   `-| |,-  
  | [] ||  | ||__   |  /\  ||    | ||      | ||   
   \__ ||  |_____|| |_// \_||    |_||      |_||   
    -|_||  `-----`  `-`   `-`    `-`'      `-`'   
     `-`