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Related Experiment Video

Updated: Jul 4, 2026

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
14:18

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

Published on: February 28, 2016

Multi-cycle laser-driven broadband supercontinuum with a modulated polarization gating.

Qingbin Zhang1, Peixiang Lu, Pengfei Lan

  • 1Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China.

Optics Express
|June 26, 2008
PubMed
Summary

We demonstrate a new method for generating broadband supercontinuum using modulated polarization gating. This technique produces extreme ultraviolet (XUV) supercontinuum with attosecond pulses, enabling tunable wavelength generation.

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Area of Science:

  • Quantum Optics
  • Attosecond Science
  • Nonlinear Optics

Background:

  • Supercontinuum generation is crucial for ultrafast spectroscopy.
  • Controlling electron dynamics in strong laser fields is key to attosecond pulse generation.

Purpose of the Study:

  • To develop a method for generating broadband supercontinuum in the extreme ultraviolet (XUV) regime.
  • To achieve attosecond pulse generation with tunable wavelengths.

Main Methods:

  • Utilizing modulated polarization gating at 1600 nm to enhance ellipticity dependence of high harmonic signals.
  • Employing a second harmonic (SH) field to modulate ionization ratios.
  • Using longer driving pulses (6 optical cycles, 32.4 fs) to confine electron wave packet recollision.

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Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
08:48

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

Published on: November 22, 2019

Related Experiment Videos

Last Updated: Jul 4, 2026

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
14:18

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

Published on: February 28, 2016

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
08:48

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

Published on: November 22, 2019

Main Results:

  • Generated an XUV supercontinuum with a bandwidth of approximately 280 eV.
  • Achieved a Fourier-transform-limited pulse duration of 10 attoseconds (as).
  • Demonstrated the straightforward generation of ~100 as tunable attosecond pulses via spectral filtering.

Conclusions:

  • The proposed method effectively generates broadband XUV supercontinuum.
  • The technique allows for the production of tunable attosecond pulses.
  • This advancement has implications for ultrafast science and spectroscopy.