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  ______     ___      ____       ___              
 /_   _//   / _ \\   |  _ \\    / _ \\    ____    
   | ||    | / \ ||  | |_| ||  | / \ ||  |    \\  
  _| ||    | \_/ ||  | .  //   | \_/ ||  | [] ||  
 /__//      \___//   |_|\_\\    \___//   |  __//  
 `--`       `---`    `-` --`    `---`    |_|`-`   
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Text this: Applications of four-wave mixing and cross phase modulation in highly nonlinear fibers