Irina Novikova2
Alexander M Akulshin2
Eugeniy E Mikhailov2
Zhihao Lanning1
2Irina Novikova
2Alexander M Akulshin
2Eugeniy E Mikhailov
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We report on experimentally observed addition, subtraction, and cancellation of orbital angular momentum (OAM) in the process of parametric four-wave mixing that results in frequency up- and down-converted emission in Rb vapor. Specific features of OAM transfer from resonant laser fields with different optical topological charges to the spatially and(More)
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