scholarly journals Spin-orbital coupling of quadratic-power-exponent-phase vortex beam propagating in a uniaxial crystal

2019 ◽  
Vol 28 (1) ◽  
pp. 216
Author(s):  
Houquan Liu ◽  
Shijie Deng ◽  
Hongchang Deng ◽  
Ronghui Xu ◽  
Hongyan Yang ◽  
...  
Keyword(s):  
Uniaxial Crystal ◽  
Power Exponent ◽  
Vortex Beam ◽  
Spin Orbital ◽  
Spin Orbital Coupling

Spin-Orbital Angular Momentum of Light and Its Application

2020 ◽  
Vol 29 (10) ◽  
pp. 28-31
Author(s):  
Teun-Teun KIM
Keyword(s):  
Angular Momentum ◽  
Quantum Entanglement ◽  
Orbital Angular Momentum ◽  
Phase Distribution ◽  
Optical Vortex ◽  
Spin Orbit ◽  
Vortex Beam ◽  
Spin Orbital ◽  
Matter Interaction ◽  
Light Matter Interaction

Like the eletron, the photon carries spin and orbital angular momentum caused by the polarization and the spatial phase distribution of light, respectively. Since the first observation of an optical vortex beam with orbital angular momentum (OAM), the use of an optical vortex beam has led to further studies on the light-matter interaction, the quantum nature of light, and a number of applications. In this article, using a metasurface with geometrical phase, we introduce the fundamental origins and some important applications of light with spin-orbit angular momentum as examples, including optical vortex tweezer and quantum entanglement of the spin-orbital angular momentum.

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