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Spin-dependent manipulating of vector beams by tailoring polarization
Junxiao Zhou1, Wenshuai Zhang1, Yachao Liu1
1Laboratory for Spin Photonics, School of Physics and Electronics, Hunan University, Changsha 410082, China.
We demonstrate spin-dependent manipulation of vector beams by controlling their inhomogeneous polarization. This method allows for arbitrary intensity patterns, offering new possibilities in optical beam control.
Area of Science:
- Optics and Photonics
- Quantum Information Science
Background:
- Vector beams possess unique polarization properties.
- Inhomogeneous polarization in vector beams leads to spin-dependent phase gradients.
Purpose of the Study:
- To investigate the spin-dependent manipulation of vector beams.
- To demonstrate arbitrary intensity pattern control through tailored inhomogeneous polarization.
Main Methods:
- Tailoring inhomogeneous polarization of vector beams.
- Establishing relationships between local polarization orientation and waveplate optical axis orientation.
Main Results:
- Achieved spin-dependent manipulation of vector beams.
- Demonstrated control over arbitrary intensity patterns using tailored polarization.
Conclusions:
- Inhomogeneous polarization is key to spin-dependent phase gradients in vector beams.
- Tailoring inhomogeneous polarization enables precise control over vector beam properties.
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