Generation of V-point polarization singularity using single phase encoding with a spatial light modulator.

Area of Science:

• Optics and Photonics
• Quantum Information Science

Background:

• Vector-vortices, beams with spatially varying polarization, are crucial for advanced optical applications.
• Existing methods like scalar vortex superposition or dual-phase modulation often require complex setups with multiple phase patterns or SLMs.
• These limitations hinder the practical implementation and integration of vector-vortex generation.

Purpose of the Study:

• To propose and demonstrate a novel, simplified technique for generating vector-vortices.
• To overcome the complexity and limitations of existing vector-vortex generation methods.
• To enable compact and robust integration of vector-vortex generation for diverse applications.

Main Methods:

• Utilizing a single phase pattern on a liquid crystal Spatial Light Modulator (SLM).
• Modulating orthogonal light components simultaneously through this single pattern.
• Avoiding the need for interferometric setups or multiple SLMs.

Main Results:

• Successfully generated vector-vortices using the proposed single-phase-pattern SLM technique.
• Demonstrated a simplified approach to producing light beams with V-point polarization singularities.
• The experimental setup is compact, robust, and easily integrable.

Conclusions:

• The novel single-phase-pattern SLM technique offers a significant advancement in vector-vortex generation.
• This method simplifies the production of polarization singularities, making it more accessible.
• The compact and robust nature of the setup facilitates widespread application integration.