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Ultra-flat supercontinuum generated from high-power, picosecond telecommunication fiber laser source
Applied Optics
|November 22, 2016
Summary
Researchers developed an ultra-flat, high-power supercontinuum using a picosecond fiber laser. This advanced light source, crucial for optical applications, achieved 1W average power over a broad spectral range.
Area of Science:
- Photonics and Optical Engineering
- Laser Physics
- Materials Science
Background:
- Supercontinuum generation is vital for various applications, including spectroscopy and optical communications.
- Developing high-power, ultra-flat supercontinuum sources remains a significant challenge.
- Fiber lasers offer compact and efficient platforms for generating ultrashort pulses.
Purpose of the Study:
- To demonstrate an ultra-flat, high-power supercontinuum generation.
- To utilize a picosecond fiber laser system for amplified pulse generation.
- To achieve broad spectral coverage with high average power.
Main Methods:
- Amplifying picosecond pulses from a carbon nanotube mode-locked oscillator using an Er-Yb codoped fiber amplifier.
- Generating a 2.7W average power output centered at 1564nm.
- Launching the amplified pulses into a 4.6m highly nonlinear photonic crystal fiber.
Main Results:
- An ultra-flat supercontinuum spanning 1600-2180nm was successfully generated.
- The supercontinuum achieved an average power of 1W.
- The system demonstrated efficient nonlinear spectral broadening.
Conclusions:
- The presented fiber laser system is capable of producing high-power, ultra-flat supercontinuum.
- Photonic crystal fibers are effective for generating broadband supercontinua.
- This work contributes to the development of advanced light sources for scientific and industrial applications.
