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Related Experiment Video

Updated: Jul 5, 2026

Writing Bragg Gratings in Multicore Fibers
08:48

Writing Bragg Gratings in Multicore Fibers

Published on: April 20, 2016

Directly written monolithic waveguide laser incorporating a distributed feedback waveguide-Bragg grating.

Graham D Marshall1, Peter Dekker, Martin Ams

  • 1Centre for Ultrahigh Bandwidth Devices for Optical Systems, MQ Photonics Research Centre, Department of Physics, Macquarie University, New South Wales 2109, Australia. graham@ics.mq.edu.au

Optics Letters
|May 3, 2008
PubMed
Summary
This summary is machine-generated.

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Researchers developed the first C-band monolithic waveguide laser (WGL) using a femtosecond laser direct-write technique. This novel device integrates optical waveguides and Bragg gratings in a single step for efficient laser performance.

Area of Science:

  • Photonics and Optical Engineering
  • Materials Science and Engineering

Background:

  • Monolithic waveguide lasers (WGLs) are crucial for integrated photonics.
  • Developing compact and efficient WGLs in the C-band is an ongoing challenge.

Purpose of the Study:

  • To report the fabrication and performance of the first C-band directly written monolithic WGL.
  • To demonstrate a single-step fabrication process for integrated optical waveguides and Bragg gratings.

Main Methods:

  • Fabrication of a WGL in an erbium- and ytterbium-doped phosphate glass host.
  • Utilizing femtosecond laser direct-write technology for simultaneous waveguide and Bragg grating creation.
  • Optical pumping at approximately 980 nm and characterization of lasing performance at 1,537 nm.

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Last Updated: Jul 5, 2026

Writing Bragg Gratings in Multicore Fibers
08:48

Writing Bragg Gratings in Multicore Fibers

Published on: April 20, 2016

High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis
07:55

High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

Published on: September 22, 2017

Main Results:

  • Successful fabrication of the first C-band directly written monolithic WGL.
  • Achieved lasing at 1,537 nm with a narrow bandwidth of less than 4 pm.
  • Demonstrated the efficacy of the single-step femtosecond laser direct-write technique.

Conclusions:

  • The developed WGL represents a significant advancement in integrated photonic devices.
  • The femtosecond laser direct-write method offers a promising route for fabricating complex waveguide structures.
  • This technology has potential applications in telecommunications and optical sensing.