TY  - RPRT
TI  - Realization of four-level qudits using biphotons.
AU  - E V Moreva
AU  - G A Maslennikov
AU  - S S Straupe
AU  - S P Kulik
PY  - 2006
DO  - 10.1103/physrevlett.97.023602
UR  - https://pubmed.ncbi.nlm.nih.gov/16907441/
ID  - 16907441
ER  -