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

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Text this: Preparation of arbitrary qutrit state based on biphotons