Q-switched and vector soliton pulses generation in an Er-doped fiber laser mode-locked by the PbSe-QDs saturable absorber

Key Points

• Vector soliton pulses were successfully generated using an Er-doped fiber laser, demonstrating enhanced performance.
• Using a PbSe-QD saturable absorber, the study achieved q-switched operation to produce high-energy light pulses.
• The approach included precise mode-locking techniques to optimize pulse stability and duration in laser applications.
• This advancement highlights the potential for more effective laser devices using innovative nanomaterial applications.