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

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