Control of transient regime of stimulated Raman scattering using hollow-core PCF
Couny, F., Carraz, O. and Benabid, F., 2009. Control of transient regime of stimulated Raman scattering using hollow-core PCF. Journal of the Optical Society of America B-Optical Physics, 26 (6), pp. 1209-1215.
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Accurate control over the transient and steady-state regimes of stimulated Raman amplification is achieved in hydrogen-filled hollow-core photonic crystal fiber via the control of the fiber length and the internal gas pressure. The experimental evolution of the characteristic time that determines the limit between the two scattering regimes is shown to closely follow the theoretical prediction. Transient amplification is observed for pump-laser pulse lengths longer than 10 times the Raman dephasing time, opening new prospects for the generation of a coherent optical frequency comb using ultralong pump-laser pulses (>100 ns).
|Creators||Couny, F., Carraz, O. and Benabid, F.|
|Departments||Faculty of Science > Physics|
|Research Centres||Centre for Photonics and Photonic Materials|
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