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   _____    _____              _    _     _____   
  / ___//  |  ___||     ___   | || | ||  / ____|| 
  \___ \\  | ||__      /   || | || | || / //---`' 
  /    //  | ||__     | [] || | \\_/ || \ \\___   
 /____//   |_____||    \__ ||  \____//   \_____|| 
`-----`    `-----`      -|_||   `---`     `----`  
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Text this: Non-Hermitian photonics physics and application