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Related Experiment Video

Updated: Sep 9, 2025

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

All-fiber spatiotemporal self-similar laser.

Chunyang Ma, Bo Gao, Ge Wu

|August 29, 2025

Summary

This summary is machine-generated.

This study demonstrates spatiotemporal similariton generation in an all-fiber laser system using spectral-spatial filtering. The novel design achieves high-power output and discovers new similariton pulse structures.

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Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

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Related Experiment Videos

Last Updated: Sep 9, 2025

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

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Published on: April 25, 2019

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Published on: February 28, 2016

Area of Science:

Physics
Optics
Laser Technology

Background:

Self-similar evolution in ultrafast fiber lasers is crucial for wave-breaking suppression and quasi-linear chirp.
Understanding and controlling self-similar pulse dynamics is key to advancing high-power laser systems.

Purpose of the Study:

To demonstrate spatiotemporal similariton generation in an all-fiber laser system.
To investigate the potential of dual-function spectral-spatial filtering for laser design.
To explore novel similariton pulse structures and their characteristics.

Main Methods:

Utilized a commercial single-mode fiber filter for dual-function spectral-spatial filtering.
Developed an all-fiber laser system for generating spatiotemporal similaritons.
Characterized the generated similaritons' wavelength, beam quality, power, repetition rate, pulse duration, and energy.

Main Results:

Generated similaritons centered at 1066 nm with M²≈2.9 beam quality.
Achieved 420 mW average power at a 13.21 MHz repetition rate.
Obtained 8.2 ps pulse duration (191 fs after dechirping) and pulse energy exceeding 30 nJ.
Experimentally discovered similariton molecules and quartets with varying pulse separations.

Conclusions:

The structurally simple, high-performance all-fiber laser system offers novel perspectives for optimizing high-power pulsed lasers.
The discovery of similariton molecules and quartets opens new research avenues in ultrafast laser physics.
This work provides new pathways for advancing the field of high-power ultrafast fiber lasers.