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

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Text this: Spontaneous emission spectrum from a V-type three-level atom in a double-band photonic crystal