Text this: Preparation of arbitrary qutrit state based on biphotons

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