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Decomposing Spatial Mode Superpositions with a Triangular Optical Cavity
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DOI：10.1103/PhysRevApplied.16.034008.png)
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We demonstrate that a triangular cavity can operate as an efficient discriminator for Hermite-Gaussian optical modes. The process is applied to distinct fields produced by a spatial light modulator, decomposing the generated paraxial field onto a basis of modes defined by the resonant optical cavity. We also present a proposal for the realization of a mode sorter based on a sequence of these cavities, without the need for optical isolation. We discuss its possible applications in sensitive measurements and distribution of information in optical systems. The high purity of the process should enable its use at the level of quantum information sharing.
Keyword:
ORBITAL ANGULAR-MOMENTUM
LASER-BEAMS
LIGHT
期刊
IF:
4.4
论文数:
7.1K
被引数:
2.8W
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