scholarly journals Direct and reciprocal spin-orbit interaction effects in a graded-index medium

OSA Continuum ◽  
2019 ◽  
Vol 2 (5) ◽  
pp. 1576
Author(s):  
T. Pradeep Chakravarthy ◽  
Nirmal K. Viswanathan
Keyword(s):  
Interaction Effects ◽  
Orbit Interaction ◽  
Spin Orbit ◽  
Spin Orbit Interaction ◽  
Graded Index

scholarly journals Depolarization of Light in Optical Fibers: Effects of Diffraction and Spin-Orbit Interaction

Fibers ◽  
2021 ◽  
Vol 9 (6) ◽  
pp. 34
Author(s):  
Nikolai I. Petrov
Keyword(s):  
Optical Fibers ◽  
Berry Phase ◽  
Polarization Plane ◽  
Orbit Interaction ◽  
Spin Orbit ◽  
Tensor Polarization ◽  
Spin Orbit Interaction ◽  
Graded Index ◽  
Depolarization Of Light ◽  
Light Beams

Polarization is measured very often to study the interaction of light and matter, so the description of the polarization of light beams is of both practical and fundamental interest. This review discusses the polarization properties of structured light in multimode graded-index optical fibers, with an emphasis on the recent advances in the area of spin-orbit interactions. The basic physical principles and properties of twisted light propagating in a graded index fiber are described: rotation of the polarization plane, Laguerre–Gauss vector beams with polarization-orbital angular momentum entanglement, splitting of degenerate modes due to spin-orbit interaction, depolarization of light beams, Berry phase and 2D and 3D degrees of polarizations, etc. Special attention is paid to analytical methods for solving the Maxwell equations of a three-component field using perturbation analysis and quantum mechanical approaches. Vector and tensor polarization degrees for the description of strongly focused light beams and their geometrical interpretation are also discussed.

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