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Related Experiment Video

Updated: Jul 6, 2026

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

Distributed feedback fiber laser pumped by multimode laser diodes.

A Schülzgen1, L Li, D Nguyen

  • 1College of Optical Sciences, University of Arizona, Tucson, Arizona 85721, USA. axel@optics.arizona.edu

Optics Letters
|March 19, 2008
PubMed
Summary

This study demonstrates a novel distributed feedback fiber laser using Er-Yb codoped phosphate glass fiber. The device achieves high output power and excellent side mode suppression for efficient laser operation.

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Area of Science:

  • Photonics and Laser Technology
  • Materials Science

Background:

  • Distributed feedback (DFB) fiber lasers offer unique advantages for various applications.
  • Erbium (Er) and Ytterbium (Yb) codoping is a common strategy to achieve efficient laser performance in optical fibers.

Purpose of the Study:

  • To experimentally demonstrate a DFB fiber laser utilizing highly Er-Yb codoped phosphate glass fiber.
  • To investigate the laser's performance characteristics, including output power and spectral purity.

Main Methods:

  • Fabrication of a DFB fiber laser using a 35 mm long, highly Er-Yb codoped phosphate glass fiber.
  • Utilizing efficient pump absorption for multimode pumping into the cladding of the active fiber.

Main Results:

  • Achieved output powers up to 160 mW.

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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

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Last Updated: Jul 6, 2026

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

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

  • Demonstrated a side mode suppression ratio (SMSR) greater than 50 dB.
  • Efficient multimode pumping into the fiber cladding was confirmed.

    • Conclusions:

    • The developed Er-Yb codoped phosphate glass fiber DFB laser shows promising performance for practical applications.
    • The efficient pump absorption and high SMSR indicate a robust and high-quality laser source.