Text this: Qutrit state engineering with biphotons

  ______    _____   __    __     ___     _    _   
 /_   _//  |  ___|| \ \\ / //   / _ \\  | |  | || 
 `-| |,-   | ||__    \ \/ //   | / \ || | |/\| || 
   | ||    | ||__     \  //    | \_/ || |  /\  || 
   |_||    |_____||    \//      \___//  |_// \_|| 
   `-`'    `-----`      `       `---`   `-`   `-`