Systems applications of fibre Bragg grating technology

Abstract

Since the discovery of photosensitivity and the ability to change the refractive index in optical fibre with a period comparable to the wavelength of the transmitted light became practical [1,2], the applications of Bragg gratings have near exploded in the number of systems-utilities. The field now have progressed to an extend where nearly all aspects of transmission systems technology either have the potential or indeed already include Bragg grating devices in one form or another. The advantages using Bragg gratings in systems contexts are many, but a major reason for their employment is their relative ease of manufacture and all-fibre nature making them compatible with existing network fibre thus enhancing transparency of the total network.
Roughly speaking a transmission system (Fig. 1) can be split up into a number of sections being, a transmitter section (including multiplexing), a transmission section (including amplification), a regeneration section, which can be either a retiming or reshaping or both, this section typically includes dispersion control of some sort as well, and finally a receiver section which in part can be an add-drop section. In each of these sections there are applications of Bragg gratings that can replace existing components and in many cases even enhance overall system-performance.
We will in this presentation discuss some of the latest advances in the fields of systems applications of fibre Bragg grating devices and related technologies and discuss some new approaches to increase data-capacity in the existing systems.

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Identifiers

ORCID for Periklis Petropoulos: orcid.org/0000-0002-1576-8034

ORCID for Michael Zervas: orcid.org/0000-0002-0651-4059

ORCID for D.J. Richardson: orcid.org/0000-0002-7751-1058

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