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Mode-locked fiber lasers have numerous applications in optical communications, sensing, and instrumentation. Semiconductor fiber lasers (SFLs) which are mode-locked via cross-gain modulation (XGM) and/or cross-phase modulation in a semiconductor optical amplifier (SOA) can also be used for all-optical clock recovery (AOCR). AOCR has been demonstrated in erbium-doped fiber lasers that are mode-locked...
With the backward injection of sub-bandgap-wavelength single-mode DFB laser diode, the build-up dynamics of a 5-GHz repetitive, <12-ps and 10.5-mW harmonic-mode-locked semiconductor optical amplifier fiber laser induced by purely sinusoidal cross-gain-modulation effect are analyzed.
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