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13 March 2024 Ultra-broadband spontaneous parametric down-conversion generation using supercontinuum laser in quantum-optical coherence tomography
Ali Mohebi, Abhijit Roy, Erik Nicolai Christensen, Patrick Bowen Montague, Fransisca Crislane Vieira de Brito, Sylwia Kolenderska, Piotr Kolenderski, Enrico Conca, Simone Tisa, Ole Bang, Niels Møller Israelsen
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Proceedings Volume PC12912, Quantum Sensing, Imaging, and Precision Metrology II; PC1291225 (2024) https://doi.org/10.1117/12.3000318
Event: SPIE Quantum West, 2024, San Francisco, California, United States
Abstract
Traditional spontaneous parametric down-conversion (SPDC) generally has a broad spectral band, while quantum optical coherence tomography (QOCT) aims to achieve an ultra-broadband joint spectrum to ensure good axial resolution. Ultra-broadband supercontinuum (SC) sources enable axial resolutions of approximately 1 µm in OCT. This study investigates the impact of ultra-broadband SPDC using an SC source to generate entangled photon pairs within the 700-1000 nm range. By examining the tuning capabilities and dimensional design of the Beta Barium Borate (BBO) crystal, we explore the combination of the OCT SC source and SPDC for QOCT. The findings contribute to future developments in QOCT.
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Ali Mohebi, Abhijit Roy, Erik Nicolai Christensen, Patrick Bowen Montague, Fransisca Crislane Vieira de Brito, Sylwia Kolenderska, Piotr Kolenderski, Enrico Conca, Simone Tisa, Ole Bang, and Niels Møller Israelsen "Ultra-broadband spontaneous parametric down-conversion generation using supercontinuum laser in quantum-optical coherence tomography", Proc. SPIE PC12912, Quantum Sensing, Imaging, and Precision Metrology II, PC1291225 (13 March 2024); https://doi.org/10.1117/12.3000318
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KEYWORDS
Quantum coherence
Optical coherence tomography
Quantum tomography
Supercontinuum generation
Crystals
Quantum entanglement
Quantum interference
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