Control of transient regime of stimulated Raman scattering using hollow-core PCF

Francois Couny, O Carraz, F Benabid

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

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).
Original languageEnglish
Pages (from-to)1209-1215
Number of pages7
JournalJournal of the Optical Society of America B-Optical Physics
Volume26
Issue number6
DOIs
Publication statusPublished - 2009

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