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Updated: Jul 8, 2026

Writing Bragg Gratings in Multicore Fibers

Writing Bragg Gratings in Multicore Fibers

Published on: April 20, 2016

Optimization algorithm for ultrabroadband multichannel aperiodic fiber Bragg grating filters.

J Bland-Hawthorn¹, A Buryak, K Kolossovski

¹School of Physics, University of Sydney, NSW 2006, Australia. jbh@physics.usyd.edu.au

Journal of the Optical Society of America. A, Optics, Image Science, and Vision

|December 25, 2007

Summary

A new generalized method designs complex multichannel filters for ultrabroadband applications. This approach accommodates hundreds of unevenly spaced fiber Bragg grating (FBG) channels with variable properties, overcoming limitations of prior methods.

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Area of Science:

Photonics and Optical Engineering
Materials Science and Engineering

Background:

Designing complex multichannel filters for ultrabroadband applications presents significant challenges.
Existing methods are often limited to specific design problems, hindering broader applicability.

Purpose of the Study:

To introduce a generalized approach for designing complex multichannel filters.
To enable versatile fiber Bragg grating (FBG) multichannel designs with customizable channel characteristics.

Main Methods:

Development of a generalized design methodology for multichannel filters.
Application of the method to fiber Bragg grating (FBG) technology.
Accommodation of hundreds of filter channels with variable wavelength spacing, width, depth, and shape.

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Last Updated: Jul 8, 2026

Writing Bragg Gratings in Multicore Fibers

Writing Bragg Gratings in Multicore Fibers

Published on: April 20, 2016

Main Results:

Demonstration of a powerful and flexible design approach.
Successful design of an FBG with 150 narrow channels.
Coverage of the 1400-1800 nm spectral region.

Conclusions:

The generalized method offers a significant advancement in designing complex FBG multichannel filters.
This approach provides unprecedented flexibility for ultrabroadband photonic applications.
The method is applicable to a wide range of FBG-based filter designs.