Heralded generation of vectorially structured photons with high purity
arXiv:2101.06684 · doi:10.3389/fphy.2021.654451
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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- Conformal frequency conversion for arbitrary vectorial structured light
- Gouy-phase-mediated propagation variations and revivals of transverse structure in vectorially structured light
- Propagation-invariant high-dimensional orbital angular momentum states
- Frequency conversion of abruptly autofocusing waves