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Polarisation characteristics of graded-core stress-applied polarisation-maintaining fibres

Polarisation characteristics of graded-core stress-applied polarisation-maintaining fibres

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© The Institution of Electrical Engineers
Published

Polarisation characteristics of stress-applied polarisation maintaining fibres having graded-index cores with α-power profile are investigated. It is found that when the stress-applying parts approach the core, the dependence of modal birefringence B on the normalised frequency v for the triangular profile is considerably different from that for the step-index profile, and the absolutely single-mode operation can be easily realised compared with the conventional step-index profile.

Inspec keywords: optical fibres; polarisation

Other keywords: triangular profile; polarisation characteristics; optical fibres; α-power profile; dependence of model birefringence; stress-applied polarisation-maintaining fibres; single mode fibres; step-index profile; normalised frequency; guarded-index cores; absolutely single-mode operation

Subjects: Fibre optics; Fibre optics and fibre waveguides

References

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