Rubust and Bright Polarization-Entanglement Generation Based on Type II Noncritical Phase Matching Technique

Il Hwan Kim; Yosep Kim; Yong‐Su Kim; Kwang Jo Lee; Hyang‐Tag Lim

doi:10.1364/quantum.2025.qw3a.32

January 1, 2025

Rubust and Bright Polarization-Entanglement Generation Based on Type II Noncritical Phase Matching Technique

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Key Points

Robust generation of polarization-entangled photon pairs was achieved through a noncritical downconversion process.
The technique reported involves frequency-degenerate photon pairs generated in a bulk KTP crystal.
Utilizing type II noncritical phase matching enhances the efficiency of the entanglement generation.
These findings could have significant implications for quantum communication technologies.

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Implication

Theoretical and experimental demonstration of bright photon pairs in a KTP crystal, suggesting advancements in quantum optics.

Abstract

We theoretically and experimentally demonstrated the generation of robust and bright polarization-entangled photon pairs via a spontaneous parametric downconversion process in a bulk KTP crystal, using frequency-degenerate collinear type II noncritical phase matching technique.

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Cite This Study

Kim et al. (2025) studied this question.

synapsesocial.com/papers/68c19f9c54b1d3bfb60db32e https://doi.org/10.1364/quantum.2025.qw3a.32

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Rubust and Bright Polarization-Entanglement Generation Based on Type II Noncritical Phase Matching Technique

Key Points

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Abstract

Discussion

Cite This Study

Rubust and Bright Polarization-Entanglement Generation Based on Type II Noncritical Phase Matching Technique

Key Points

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Implication

Abstract

Discussion

Cite This Study

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