Abstract

Using the coupled-mode theory, we have developed a theoretical model to analyze the effects of lateral load and external twist on polarization-mode dispersion (PMD) of spun and unspun fibers. Modeling results show that spun and unspun fibers have very different PMD responses to lateral load and external twist. Experimental results show good agreement with the theory.

© 1999 Optical Society of America

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References

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1983

S. C. Rashleigh, J. Lightwave Technol. 1, 312 (1983).
[CrossRef]

1981

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Figures (4)

Fig. 1
Fig. 1

Calculated PMD changes as a function of lateral load for spun and unspun fibers.

Fig. 2
Fig. 2

Calculated PMD changes as a function of external twist for spun and unspun fibers.

Fig. 3
Fig. 3

Measured PMD changes as a function of lateral load for spun and unspun fibers.

Fig. 4
Fig. 4

Measured PMD changes as a function of external twist for spun and unspun fibers.

Equations (6)

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ddzA1A2=iκA1A2,
κ=12δΔβΔβ*-δ,
Δβ=Δβ0 expi20zα+Tdz+Δβp expi2ϕp,
Δβp=CF,
δ=gT,
τ=2zdA1zdω2+dA2zdω21/2.

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