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Open AccessArticle

Temporal Distribution Measurement of the Parametric Spectral Gain in a Photonic Crystal Fiber Pumped by a Chirped Pulse

1
Institut FEMTO-ST, Département d’Optique, UMR 6174 CNRS-Université Bourgogne Franche-Comté, 25030 Besançon, France
2
Université Limoges, CNRS, XLIM, UMR 7252, F-87000 Limoges, France
3
FYLA LASER SL, Ronda Guglielmo Marconi 12, 46980 Paterna (Valencia), Spain
*
Author to whom correspondence should be addressed.
Photonics 2019, 6(1), 20; https://doi.org/10.3390/photonics6010020
Received: 30 January 2019 / Revised: 20 February 2019 / Accepted: 21 February 2019 / Published: 26 February 2019
The temporal distribution of the spectral parametric gain was experimentally investigated when a chirped pump pulse was injected into a photonic crystal fiber. A pump-probe experiment was developed and the important characteristics were measured as the chirp of the pump, the signal pulse, and the gain of the parametric amplifier. We highlight that the amplified spectrum depends strongly on the instantaneous pump wavelength and that the temporal evolution of the wavelength at maximum gain is not monotonic. This behavior is significantly different from the case in which the chirped pump has a constant peak power. This measurement will be very important to efficiently include parametric amplifiers in laser systems delivering ultra-short pulses. View Full-Text
Keywords: parametric amplification; four wave mixing; fiber optics parametric amplification; four wave mixing; fiber optics
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Fourcade-Dutin, C.; Imperio, A.; Dauliat, R.; Jamier, R.; Muñoz-Marco, H.; Pérez-Millán, P.; Maillotte, H.; Roy, P.; Bigourd, D. Temporal Distribution Measurement of the Parametric Spectral Gain in a Photonic Crystal Fiber Pumped by a Chirped Pulse. Photonics 2019, 6, 20.

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