High power red and near-IR generation using four wave mixing in all integrated fibre laser systems

Reference:

Lavoute, L., Knight, J. C., Dupriez, P. and Wadsworth, W. J., 2010. High power red and near-IR generation using four wave mixing in all integrated fibre laser systems. Optics Express, 18 (15), pp. 16193-16205.

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Official URL:

http://dx.doi.org/10.1364/OE.18.016193

Abstract

We demonstrate high power generation of visible red and near IR light by four wave mixing in photonic crystal fibres (PCFs) pumped at 1064 nm with picosecond pulses (30-80 ps). 30% conversion efficiency is demonstrated in a single pass using fibre lengths less than 1 m, with signal wavelengths from 650 nm to 820 nm selectable by choice of PCF. An all fibre integrated system delivers 2.16 W at 740 nm with a pulse repetition frequency of 20 MHz. We discuss the overall parameter space for this type of wavelength conversion in PCF with different fibre designs suitable for delivering a particular wavelength at low or high power.

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