Text this: Locking characteristics of semiconductor lasers with optical injection

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