Single-shot analysis of amplified correlated light

Sara Meir, Avi Klein, Hamootal Duadi, Eliahu Cohen, Moti Fridman

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

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.

Original languageEnglish
Pages (from-to)1773-1781
Number of pages9
JournalOptics Express
Volume30
Issue number2
DOIs
StatePublished - 17 Jan 2022

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