Abstract
Pulse compression using linearly chirped optical fibre Bragg gratings has recently been demonstrated. In these experiments a dispersion broaden pulse is compressed to being nearly transformed limited, resulting in a significantly decreased bit error rate [1-2], In these experiments the intensity was insufficient for nonlinear effects to play a role. Another possible application of linearly chirped fibre Bragg gratings is in pulse amplication in Erbium doped amplifiers [3]. In such experiments a long linearly chirped pulse is used. The initial amplitude of the pulse is sufficiently low that the amplifier behaves linearly. However the pulse itself can contain as much as a microjoule of energy. When this amplified pulse is compressed the intensity soon becomes sufficient for the nonlinearity of glass to be important.
© 1996 Optical Society of America
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