Fig. 7: Spectrogram of the generated LCMW with different repetition time. | Nature Communications

Fig. 7: Spectrogram of the generated LCMW with different repetition time.

From: Hybrid Fourier-___domain mode-locked laser for ultra-wideband linearly chirped microwave waveform generation

Fig. 7

a The fundamental repetition time of 44.71 µs with the VPP of the driving signal applied on the MDR is 469 mV. The generated LCMW with the second, third and fourth harmonic repetition time are shown in (b, c and d), the corresponding VPP applied on the MDR are 684, 910, and 1140 mV, respectively.

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