Text this: Locking characteristics of semiconductor lasers with optical injection

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