2017
DOI: 10.1038/srep43494
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Spectral compression of single-photon-level laser pulse

Abstract: We experimentally demonstrate that the bandwidth of single photons laser pulse is compressed by a factor of 58 in a periodically poled lithium niobate (PPLN) waveguide chip. A positively chirped single photons laser pulse and a negatively chirped classical laser pulse are employed to produce a narrowband single photon pulse with new frequency through sum-frequency generation. In our experiment, the frequency and bandwidth of single photons at 1550 nm are simultaneously converted. Our results mark a critical st… Show more

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Cited by 17 publications
(11 citation statements)
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“…The positively chirped pulse spectrum and up-converted laser pulse spectrum (a) and relative frequency (b) [5].…”
Section: Methodology and Results 21 Spectral Compression Of Single-phmentioning
confidence: 99%
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“…The positively chirped pulse spectrum and up-converted laser pulse spectrum (a) and relative frequency (b) [5].…”
Section: Methodology and Results 21 Spectral Compression Of Single-phmentioning
confidence: 99%
“…. The abscissa is a variable optical relative delay between the negatively and positively chirped laser pulses at the PPLN waveguide chip [5].…”
Section: Sfg Photons (Top) and Sfg Efficiencies (Bottom)mentioning
confidence: 99%
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