The effect of phase-matching on OAM entanglement in high-gain SPDC

Yang Xu; Luchang Niu; Girish Kulkarni; Robert W. Boyd

doi:10.1117/12.3026763

2 August 2024 The effect of phase-matching on OAM entanglement in high-gain SPDC

Yang Xu, Luchang Niu, Girish Kulkarni, Robert W. Boyd

Proceedings Volume 13106, Photonics for Quantum 2024; 1310604 (2024) https://doi.org/10.1117/12.3026763
Event: Photonics for Quantum, 2024, Waterloo, Ontario, Canada

Abstract

Recent progress in the study of the non-classical macroscopic state of light sheds light on the characterization of high-gain spontaneous parametric down-conversion (SPDC). However, the theory of high-dimensional entangled photon pairs with SPDC in this high-gain regime is far from being complete. Here, we present a numerical study of the effect of the phase-matching function on the OAM entanglement in high-gain SPDC. We use a recently developed classical model of high-gain SPDC to compute the OAM spectrum of the entangled photon pair and examine how the OAM entanglement depends on various physical parameters determining the phase-matching function. Our study offers guidelines for quantum state engineering with bright sources of photon pairs entangled in high-dimensional OAM spaces.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yang Xu, Luchang Niu, Girish Kulkarni, and Robert W. Boyd "The effect of phase-matching on OAM entanglement in high-gain SPDC", Proc. SPIE 13106, Photonics for Quantum 2024, 1310604 (2 August 2024); https://doi.org/10.1117/12.3026763

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