1.
Phys Rev Lett
; 118(8): 083601, 2017 Feb 24.
Artigo
em Inglês
| MEDLINE
| ID: mdl-28282159
RESUMO
The interaction of spin and intrinsic orbital angular momentum of light is observed, as evidenced by length-dependent rotations of both spatial patterns and optical polarization in a cylindrically symmetric isotropic optical fiber. Such rotations occur in a straight few-mode fiber when superpositions of two modes with parallel and antiparallel orientation of spin and intrinsic orbital angular momentum (IOAM=2â) are excited, resulting from a degeneracy splitting of the propagation constants of the modes.