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Opt Express. 2011 Dec 5;19(25):25337-45. doi: 10.1364/OE.19.025337.

Low-noise, high-brightness, tunable source of picosecond pulsed light in the near-infrared and visible.

Author information

  • 1Centre for Photonics and Photonic Materials, University of Bath, Bath, BA2 7AY, UK. pjm36@bath.ac.uk

Abstract

We have built a flexible source of picosecond pulsed light in both the near-infrared and visible spectral regions. A photonic crystal fiber (PCF) was pumped with a pulsed 1064 nm fiber laser to generate four-wave mixing (FWM) sidebands at 947 nm and 1213 nm. This process was seeded at the idler wavelength with a tunable diode laser to limit the spectral width of the sidebands to less than 0.5 nm. Subsequently the idler was mixed efficiently with the residual pump in a nonlinear crystal to yield their sum frequency at 567 nm. All three outputs were tunable by adjusting the seed wavelength and all had very low pulse-to-pulse amplitude noise. This technique could be extended to different wavelength ranges by selecting different seed lasers and PCF.

PMID:
22273925
[PubMed - indexed for MEDLINE]
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