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

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Text this: Wavelength division multiplexed passive optical networks with colorless light sources