Extracting the photon indistinguishability error from measurable quantum observables

Franciscus H. B. Somhorst; Jason Saied; Eleanor G. Rieffel; Jelmer J. Renema

doi:10.1088/1367-2630/ae2bf4

Extracting the photon indistinguishability error from measurable quantum observables

Quantum Physics 2026-01-05 v2 Optics

Authors: Franciscus H. B. Somhorst , Jason Saied , Eleanor G. Rieffel , Jelmer J. Renema

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Abstract

We present a method to extract the photon indistinguishability error from Hong-Ou-Mandel interference measurements, accounting for the combined effects of loss and multiphoton noise that contaminate the single-photon Hilbert space. Our analysis resolves apparent inconsistencies in previous interpretations of such measurements. The reported method applies to a wide range of single-photon sources, including quantum dots.

Keywords

hong-ou-mandel interference quantum optics

Cite

@article{arxiv.2510.01731,
  title  = {Extracting the photon indistinguishability error from measurable quantum observables},
  author = {Franciscus H. B. Somhorst and Jason Saied and Eleanor G. Rieffel and Jelmer J. Renema},
  journal= {arXiv preprint arXiv:2510.01731},
  year   = {2026}
}

Comments

Accepted manuscript Somhorst et al 2025 New J. Phys

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