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3 October 2023 Characterizing the noise output by a fiber-based entangled photon source
Atiyya A. Davis, Brian T. Kirby, Thomas A. Searles, Daniel E. Jones
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Proceedings Volume 12692, Quantum Communications and Quantum Imaging XXI; 1269203 (2023) https://doi.org/10.1117/12.2676877
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States
Abstract
By simultaneously measuring individual and coincidence counts of two single photon detectors connected to a fiber-based entangled photon source and fitting the results with a theoretical model of the photon generation rates, we determine the average number of polarization-entangled photon pairs generated by four-wave mixing and the average number of noise photons generated by Raman scattering and self-phase modulation of the pump as a function of power. In contrast to previous efforts to characterize fiber-based entangled photon sources, this method does not require additional coherence-based measurements to distinguish SPM photons from FWM and Raman-scattered photons.
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Atiyya A. Davis, Brian T. Kirby, Thomas A. Searles, and Daniel E. Jones "Characterizing the noise output by a fiber-based entangled photon source", Proc. SPIE 12692, Quantum Communications and Quantum Imaging XXI, 1269203 (3 October 2023); https://doi.org/10.1117/12.2676877
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KEYWORDS
Quantum entanglement
Photon polarization
Raman scattering
Quantum networks
Quantum communication networks
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