期刊
OPTICS EXPRESS
卷 30, 期 2, 页码 1773-1781出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.445549
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资金
- PAZY Foundation
- Ministry of Science, Technology and Space [101821]
- Israel Science Foundation [205735, 2096/20]
Correlated beams play a crucial role in communication and technology, but classical amplifiers can degrade their correlation. In this study, we investigate the impact of amplifiers on correlated beams using a novel measurement system, and demonstrate methods to tailor the correlation after amplification.
Correlated beams are important in classical and quantum communication as well as other technologies. However, classical amplifiers, which are essential for long transmission of correlated beams, degrade the correlation due to noise and due to the amplifier spectral response. We measure, with a novel high resolution single-shot measurement system, the impact of amplifiers on correlated beams. We develop a new method for analyzing the correlation between the signal and idler beams by choosing peaks in the pulses according to their power levels. We demonstrate how to tailor the correlation after the amplifier to obtain either higher or lower correlation. Our research may influence the future use of amplifiers in non-classical communication systems as well as the transmission of quantum information over long distances. (C) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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