Method and system for generating a robust higher-order POINCARÉ sphere polarization state
US12326621B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2021 |
| Grant date | Jun 10, 2025 |
| Priority date | — |
| Expiry date | Dec 30, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/0136
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention provides a method and a system for generating a robust higher-order Poincaré sphere polarization state. The method includes: loading vortex phases into fully coherent vector beams for modulating them into left- and right-handed circularly polarized modes in a Poincaré sphere; synthesizing the left-handed and right-handed circularly polarized modes into a vector polarized light beam on the Poincaré sphere, and generating a polarization matrix of the Poincaré sphere; reducing the degree of spatial coherence of the polarized light, performing shaping to obtain a random electromagnetic beam, and simultaneously extracting polarization information in the polarization matrix and transferring the polarization information into a spatial correlation tensor of the random electromagnetic beam; and transmitting the random electromagnetic beam to a far field where the polarization information is transferred from the spatial correlation tensor into a polarization matrix of the random electromagnetic beam, to obtain a robust higher-order Poincaré sphere polarization state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.