All-fibre Bragg grating filters and lasers for future optical networks

Bragg gratings in optical fibre waveguides have now been around for 25 years and they were soon after being realised, identified as one of the most significant fibre-optic inventions with potentials in a wide variety of areas among telecommunications equivalent to that of the erbium doped fibre amplifier. In this paper recent advances in the areas of Bragg gratings, fibre-DFB lasers and high-power fibre-lasers are reviewed and discussed their applications in optical systems.