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Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

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Photo-detection correlation degrees of a two-photon source.

Philippe Réfrégier, Frédéric Galland, Julien Fade

|December 24, 2024

Summary

The canonical correlation method effectively analyzes partially polarized light coherence using intrinsic degrees of coherence (IDOCs). This technique accurately identifies photo-detection correlations in two-photon sources.

Area of Science:

Quantum Optics
Photon Statistics
Coherence Theory

Background:

Partially polarized light exhibits complex coherence properties.
Two-photon sources are crucial in quantum information and optics.
Characterizing photo-detection correlations is essential for understanding quantum sources.

Purpose of the Study:

To evaluate the effectiveness of the canonical correlation method with intrinsic degrees of coherence (IDOCs).
To describe the coherence properties of partially polarized light.
To identify relevant properties of photo-detection correlations for a two-photon source.

Main Methods:

Application of the canonical correlation method.
Utilizing intrinsic degrees of coherence (IDOCs).

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Analysis of a two-photon source described by its density operator.

Main Results:

The canonical correlation method with IDOCs is effective for analyzing coherence.
Relevant properties of photo-detection correlations were successfully identified.
The method's performance was compared against other global correlation measures.

Conclusions:

The canonical correlation method provides a robust approach to characterizing coherence in partially polarized light.
IDOCs are valuable tools for analyzing quantum correlations in two-photon sources.