Figure 4: Timing jitter PSD and integrated rms timing jitter measurement results of sub-femtosecond-jitter free-running mode-locked oscillators. | Scientific Reports

Figure 4: Timing jitter PSD and integrated rms timing jitter measurement results of sub-femtosecond-jitter free-running mode-locked oscillators.

From: Reference-free, high-resolution measurement method of timing jitter spectra of optical frequency combs

Figure 4: Timing jitter PSD and integrated rms timing jitter measurement results of sub-femtosecond-jitter free-running mode-locked oscillators.

(a) Homebuilt Er-fibre mode-locked oscillator. (b) Commercial Er-laser oscillator (Origami-15 from Onefive GmbH). (c) Commercial Er-fibre oscillator (FC1500-250-ULN from MenloSystems GmbH). (d) Projected background noise floor originated from the RIN at 100 MHz. (e) Er-fibre oscillator jitter data shown in ref. 43 (measured by BOC method) for comparison.

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