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Related Experiment Video

Updated: Jun 16, 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

Widely tunable erbium-doped fiber laser based on multimode interference effect.

A Castillo-Guzman1, J E Antonio-Lopez, R Selvas-Aguilar

  • 1Facultad de Ciencias Físico Matemáticas, Universidad Autónoma de Nuevo León, Av. Universidad s/n, Cd. Universitaria, San Nicolás de los Garza, Nuevo León, México. acastillog@gmail.com

Optics Express
|February 23, 2010
PubMed
Summary
This summary is machine-generated.

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A new tunable fiber laser uses a novel multimode interference filter for wide wavelength tuning. This simple, efficient filter enables a 60 nm tuning range in erbium-doped fiber lasers.

Area of Science:

  • Photonics and Optical Engineering
  • Fiber Laser Technology

Background:

  • Erbium-doped fiber lasers are crucial for optical communications.
  • Wavelength tunability is essential for flexible optical systems.
  • Existing tunable filters can be complex or costly.

Purpose of the Study:

  • To demonstrate a widely tunable erbium-doped all-fiber laser.
  • To introduce a novel tunable filter based on multimode interference (MMI).
  • To assess the performance of the MMI filter in a fiber laser cavity.

Main Methods:

  • Fabrication of a tunable filter utilizing multimode interference (MMI) effects.
  • Integration of the MMI filter into a standard ring cavity erbium-doped fiber laser.
  • Characterization of the laser's tuning range and signal-to-noise ratio.

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Last Updated: Jun 16, 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

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
10:17

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

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Main Results:

  • Achieved a wide tuning range of 60 nm, from 1549 nm to 1609 nm.
  • Obtained a high signal-to-noise ratio of 40 dB.
  • Demonstrated the MMI filter's efficiency and simplicity.

Conclusions:

  • The novel MMI filter provides an efficient and inexpensive mechanism for wavelength tuning.
  • The demonstrated tunable fiber laser offers a broad tuning range suitable for various applications.
  • MMI-based filters present a promising solution for cost-effective tunable fiber laser systems.