Polarization mode dispersion reduction in spun large mode area silica holey fibres

M. Fuochi; J.R. Hayes; K. Furusawa; W. Belardi; J.C. Baggett; T.M. Monro; D.J. Richardson

doi:10.1364/OPEX.12.001972

Optics Express
Vol. 12,
Issue 9,
pp. 1972-1977
(2004)
•https://doi.org/10.1364/OPEX.12.001972

Polarization mode dispersion reduction in spun large mode area silica holey fibres

M. Fuochi, J.R. Hayes, K. Furusawa, W. Belardi, J.C. Baggett, T.M. Monro, and D.J. Richardson

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M. Fuochi, J.R. Hayes, K. Furusawa, W. Belardi, J.C. Baggett, T.M. Monro, and D.J. Richardson, "Polarization mode dispersion reduction in spun large mode area silica holey fibres," Opt. Express 12, 1972-1977 (2004)

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Abstract

We report the fabrication of the first spun holey optical fibre. Our experiments show that the complex air/glass transverse structure can be retained when the preform is spun during the fibre drawing process. Measurements of differential group delay (DGD) confirm that significant reductions in polarization mode dispersion (PMD) can be readily achieved using this approach.

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Fig. 1. Scanning electron micrograph image of the fiber samples A,B,C.

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Fig 2. DGD of the samples A (up left), B (up right) and C (bottom left) as a function of wavelength. Bottom Right: Accuracy limitation of the measured PMD values

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Tables (2)

Table 1. Parameters of the LMA HFs

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Table 2. Summary of PMD measurements with uncertainties

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Equations (2)

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Δ τ {(ω_{1}, ω_{2})}^{2} = \frac{1}{ω_{2} - ω_{1}} \int_{ω_{1}}^{ω_{2}} δ_{τ} {(ω)}^{2} dω .

Δ τ_{meas} = \bar{Δτ} (1 \pm \frac{α}{\sqrt{\bar{Δτ} Δ ω}}),

Fibre sample	Rotation rate (rpm)	L[m]	Λ[μm]	d/Λ	eccentricity (e)	Spin period [cm]
A	0	75	12.2	0.52	0.035	—
B	400	47	11.9	0.49	0.007	2.5
C	810	78	11.7	0.40	0.034	1.23

Fiber sample	L[m]	Spinning rate [rpm]	<DGD> [fs]	PMD [ps/√km]	PMD uncertainty %
A	75	0	444	1.611	28
B	47	400	36	0.167	84
C	78	810	20	0.071	132

Fibre sample	Rotation rate (rpm)	L[m]	Λ[μm]	d/Λ	eccentricity (e)	Spin period [cm]
A	0	75	12.2	0.52	0.035	—
B	400	47	11.9	0.49	0.007	2.5
C	810	78	11.7	0.40	0.034	1.23

Fiber sample	L[m]	Spinning rate [rpm]	<DGD> [fs]	PMD [ps/√km]	PMD uncertainty %
A	75	0	444	1.611	28
B	47	400	36	0.167	84
C	78	810	20	0.071	132

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Equations (2)

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