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arXiv · 2101.06684

Heralded generation of vectorially structured photons with high purity

Hai-Jun Wu·Bing-Shi Yu·Zhi-Han Zhu·Carmelo Rosales-Guzmán·Zhi-Yuan Zhou·Dong-Sheng Ding·Wei Gao·Bao-Sen Shi
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Abstract

Engineering vector spatial modes of photons is an important approach for manipulating high-dimension photonic states in various quantum optical experiments. In this work, we demonstrate generation of heralded single photons with well-defined vector spatial modes by using a self-locking polarizing interferometer comprising a spatial light modulator. Specifically, it is shown that, by carefully tailoring and compensating spatial and temporal amplitudes of manipulated photons, one can exactly convert ultrafast single photons into desired spin-orbit states with extremely high purity. This compact and robust device provides a versatile way for not only generation, but also manipulation and characterization of arbitrary photonic spin-orbit states.

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Hai-Jun Wu, Bing-Shi Yu, Zhi-Han Zhu, Carmelo Rosales-Guzmán, Zhi-Yuan Zhou, Dong-Sheng Ding, Wei Gao, Bao-Sen Shi. 2021-01-17. Heralded generation of vectorially structured photons with high purity. https://doi.org/10.3389/fphy.2021.654451

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