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Related Experiment Video

Updated: May 16, 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

Phase-locking-level statistics of coupled random fiber lasers.

Moti Fridman1, Rami Pugatch, Micha Nixon

  • 1Department of Physics of Complex Systems, Weizmann Institute of Science, Rehovot 76100, Israel.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|December 11, 2012
PubMed
Summary

We analyzed phase locking in coupled fiber lasers with changing lengths. The phase locking levels follow a generalized extreme value distribution, simplifying to Gumbel for many lasers.

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Area of Science:

  • Optics and Photonics
  • Laser Physics
  • Statistical Mechanics

Background:

  • Coupled fiber lasers are crucial for various applications.
  • Understanding phase locking statistics is essential for laser stability and performance.
  • Fluctuating cavity lengths introduce complexities in laser dynamics.

Purpose of the Study:

  • To investigate the statistical properties of phase locking levels in coupled fiber lasers with fluctuating cavity lengths.
  • To determine the probability distribution that describes these phase locking levels.
  • To develop and validate a theoretical model for the observed phenomena.

Main Methods:

  • Experimental measurement of phase locking levels in a system of coupled fiber lasers.
  • Analysis of the statistical distribution of the measured phase locking data.

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Last Updated: May 16, 2026

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
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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
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Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

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  • Development of a theoretical model based on the spectral response of coupled lasers.

    • Main Results:

    • The distribution of phase locking levels was found to be accurately described by the generalized extreme value distribution.
    • For a large number of coupled lasers, this distribution can be approximated by the Gumbel distribution.
    • The developed model showed good agreement with the experimental results.

    Conclusions:

    • The generalized extreme value distribution accurately characterizes phase locking in coupled fiber lasers with fluctuating cavity lengths.
    • The Gumbel distribution provides a useful approximation for systems with a large number of lasers.
    • The spectral response model effectively explains the observed phase locking statistics, validating the experimental findings.