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Experimental setup for selection and amplification of the modes of an optical frequency comb using femtosecond laser injection locking (MF: microstructure fiber, LD: diode laser, F1: interference filter, F2: interference filter, FR: Faraday rotator, LP: linear polarizer, SA: spectrum analyzer, BS: beam splitter, PD: Si photodiode).
Transmittance signals of the spectrum analyzer before and after injection locking. The gray curve denotes before injection locking and the black curve is after optical injection locking into the single-mode diode laser by the mode-locked Ti:sapphire laser with a repetition rate.
(a) Beat signal between the injection-locked diode laser and the mode-locked Ti:sapphire laser; (b) according to the injected power of the OFC, the beat signal of the slave laser injection locked with the mode-locked Ti:sapphire laser with a repetition rate.
SAS in the transition ( and 3) of line; the slave laser selected only one mode of the mode-locked Ti:sapphire laser with a repetition rate.
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