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arxiv: 1006.5077 · v1 · pith:7SB42DKUnew · submitted 2010-06-25 · ⚛️ physics.optics

Passively mode locked Raman laser

classification ⚛️ physics.optics
keywords combmoderamanlockedopticalbeatconfirmedconventional
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We report on the observation of a novel mode locked optical comb generated at the Raman offset (Raman comb) in an optically pumped crystalline whispering gallery mode resonator. Mode locking is confirmed via measurement of the radio-frequency beat note produced by the optical comb on a fast photodiode. Neither the conventional Kerr comb nor hyper-parametric oscillation is observed when the Raman comb is present.

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