Divergence of single photons with different orbital angular momentum

Vimlesh Kumar; Varun Sharma; Sandeep Singh; G. K. Samanta

2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference
OSA Technical Digest (Optica Publishing Group, 2021),
paper eb_p_27

Divergence of single photons with different orbital angular momentum

Vimlesh Kumar, Varun Sharma, Sandeep Singh, and G. K. Samanta

European Quantum Electronics Conference 2021

Munich Germany
21–25 June 2021
ISBN: 978-1-6654-1876-8

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V. Kumar, V. Sharma, S. Singh, and G. K. Samanta, "Divergence of single photons with different orbital angular momentum," in 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, OSA Technical Digest (Optica Publishing Group, 2021), paper eb_p_27.

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Abstract

We experimentally measure the divergence of single-photon carrying different orbital-angular-momentum OAM. Using vortex beam pumped parametric-down-conversion process, we observed that the single-photons detected through the coincidence imaging has OAM dependence divergence similar to the pump.

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