Text this: High bandwidth all-optical 3×3 switch based on multimode interference structures

 __   __     ___     _    _      ___      ______  
 \ \\/ //   / _ \\  | || | ||   / _ \\   /_   _// 
  \   //   | / \ || | || | ||  / //\ \\    | ||   
  / . \\   | \_/ || | \\_/ || |  ___  ||  _| ||   
 /_//\_\\   \___//   \____//  |_||  |_|| /__//    
 `-`  --`   `---`     `---`   `-`   `-`  `--`