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

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Text this: Nyquist WDM superchannel using offset-16QAM and receiver-side digital spectral shaping