Partially coherent twisted vector vortex beam enabling manipulation of high-dimensional classical entanglement

Area of Science:

• Optics and Photonics
• Quantum Information Science

Background:

• Partially coherent light typically exhibits classical properties.
• Higher-dimensional entanglement is a key concept in quantum information.
• Vector vortex beams possess unique polarization and phase characteristics.

Purpose of the Study:

• To introduce and characterize a novel partially coherent beam with higher-dimensional classical entanglement.
• To explore the unique properties of the proposed twisted vector vortex (TVV) beam.
• To demonstrate new control dimensions in classical entanglement using partially coherent light.

Main Methods:

• Theoretical formulation of the twisted vector vortex (TVV) beam.
• Experimental generation and characterization of the TVV beam.
• Analysis of polarization, vortex phase, and twist phase properties.

Main Results:

• Empirical evidence for non-uniform polarization, vortex phase, and twist phase in the TVV beam.
• Demonstration of inseparability between polarization and orbital angular momentum (OAM) modes.
• Identification of the twist phase as an additional control dimension for vector vortex beams.

Conclusions:

• The TVV beam represents a novel form of partially coherent light with higher-dimensional classical entanglement.
• The study highlights the potential for new control dimensions in classical entanglement via coherence chirality.
• This research opens avenues for utilizing partially coherent light in classical and quantum information processing.