TY - RPRT TI - Exceeding the classical capacity limit in a quantum optical channel. AU - Mikio Fujiwara AU - Masahiro Takeoka AU - Jun Mizuno AU - Masahide Sasaki PY - 2003 DO - 10.1103/physrevlett.90.167906 UR - https://pubmed.ncbi.nlm.nih.gov/12732014/ ID - 12732014 ER -