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Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
Published on: November 22, 2019
Femtosecond soliton source with fast and broad spectral tunability.
Martin E Masip1, A A Rieznik, Pablo G König
1Laboratorio de Electrónica Cuántica, Departamento de Física, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, Argentina. mmasip@df.uba.ar
Optics Letters
|March 14, 2009
Summary
We developed a tunable femtosecond soliton source using photonic crystal fiber. This source offers broad wavelength tuning (850-1200 nm) with consistent pulse duration and power, controlled by input power.
Area of Science:
- Optics and Photonics
- Nonlinear Optics
- Fiber Optics
Background:
- Femtosecond soliton sources are crucial for various applications.
- Achieving broad spectral tunability while maintaining pulse quality remains a challenge.
Purpose of the Study:
- To demonstrate a femtosecond soliton source with fast and broad spectral tunability.
- To investigate the influence of input power on soliton properties.
- To validate experimental findings with numerical simulations.
Main Methods:
- Generation of solitons in a photonic crystal fiber.
- Systematic measurements of spectral and temporal soliton properties.
- Numerical simulations of soliton dynamics.
Main Results:
- Broad spectral tunability from 850 to 1200 nm was achieved by varying input power.
- Soliton pulse duration (approx. 40 fs) and spectral width (approx. 20 nm) remained nearly constant across the tuning range.
- Experimental results showed excellent agreement with numerical simulations.
Conclusions:
- The developed photonic crystal fiber source offers a robust and tunable platform for femtosecond solitons.
- The findings confirm the feasibility of controlling soliton properties via input power in this regime.
- The source demonstrates potential for applications requiring tunable ultrashort pulses.

