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

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發送短信 : All-optical switch based on 1x3 multimode interference couplers