Abstract

A theoretical and experimental analysis of the polarization properties of twisted single-mode fibers is presented. It is shown that whereas a conventionally twisted fiber possesses considerable optical rotation, a fiber which has a permanent twist imparted by spinning the preform during fiber drawing exhibits almost no polarization anisotropy. It is thus possible to virtually eliminate the commonly observed fiber linear birefringence. As a consequence, fibers made in this way are ideally suited for use in the Faraday-effect current transducer. It is further shown that a permanent twist of a few turns/meter effectively eliminates polarization mode-dispersion. The technique therefore appears attractive for enhancing the bandwidth of very long unrepeatered telecommunication links.

© 1981 Optical Society of America

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References

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    [Crossref] [PubMed]
  2. J. A. Bucaro, H. D. Dardy, E. F. Carome, J. Acoust. Soc. Am. 62, 1302 (1977).
    [Crossref]
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    [Crossref]
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    [Crossref] [PubMed]
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    [Crossref] [PubMed]
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1980 (2)

1979 (2)

S. C. Rashleigh, R. Ulrich, Appl. Phys. Lett. 34, 768, (1979).
[Crossref]

R. Ulrich, A. Simon, Appl. Opt. 18, 2241 (1979).
[Crossref] [PubMed]

1978 (5)

1977 (2)

V. Vali, R. W. Shorthill, Appl. Opt. 16, 290 (1977).
[Crossref] [PubMed]

J. A. Bucaro, H. D. Dardy, E. F. Carome, J. Acoust. Soc. Am. 62, 1302 (1977).
[Crossref]

1972 (1)

F. P. Kapron, N. F. Borelli, D. B. Keck, IEEE J. Quantum Electron. QE-8, 222 (1972).
[Crossref]

Adams, M. J.

S. R. Norman, D. N. Payne, M. J. Adams, A. M. Smith, in Technical Digest, Second International Conference IOOC (Koninklijk Instituut van Ingenieurs, Amsterdam, 1979), paper 10.1.

Borelli, N. F.

F. P. Kapron, N. F. Borelli, D. B. Keck, IEEE J. Quantum Electron. QE-8, 222 (1972).
[Crossref]

Bucaro, J. A.

J. A. Bucaro, H. D. Dardy, E. F. Carome, J. Acoust. Soc. Am. 62, 1302 (1977).
[Crossref]

Carome, E. F.

J. A. Bucaro, H. D. Dardy, E. F. Carome, J. Acoust. Soc. Am. 62, 1302 (1977).
[Crossref]

Crosignani, B.

Dardy, H. D.

J. A. Bucaro, H. D. Dardy, E. F. Carome, J. Acoust. Soc. Am. 62, 1302 (1977).
[Crossref]

DiPorto, P.

Fujii, Y.

Gambling, W. A.

W. A. Gambling, D. N. Payne, H. Matsumura, in Digest of Topical Meeting on Optical Fiber Transmission II (Optical Society of America, Washington, D.C., 1977), paper TuD5.

Jeunhomme, L.

M. Monerie, D. Moutonnet, L. Jeunhomme, P. Lamouler, in Technical Digest, Sixth ECOC, York, 1980, pp. 107–110.

Kaiser, P.

R. H. Stolen, V. Ramaswamy, P. Kaiser, W. Pleibel, Appl. Phys. Lett. 33, 699 (1978).
[Crossref]

Kapron, F. P.

F. P. Kapron, N. F. Borelli, D. B. Keck, IEEE J. Quantum Electron. QE-8, 222 (1972).
[Crossref]

Keck, D. B.

F. P. Kapron, N. F. Borelli, D. B. Keck, IEEE J. Quantum Electron. QE-8, 222 (1972).
[Crossref]

Lamouler, P.

M. Monerie, D. Moutonnet, L. Jeunhomme, P. Lamouler, in Technical Digest, Sixth ECOC, York, 1980, pp. 107–110.

Matsumura, H.

W. A. Gambling, D. N. Payne, H. Matsumura, in Digest of Topical Meeting on Optical Fiber Transmission II (Optical Society of America, Washington, D.C., 1977), paper TuD5.

McIntyre, P.

Monerie, M.

M. Monerie, D. Moutonnet, L. Jeunhomme, P. Lamouler, in Technical Digest, Sixth ECOC, York, 1980, pp. 107–110.

Moutonnet, D.

M. Monerie, D. Moutonnet, L. Jeunhomme, P. Lamouler, in Technical Digest, Sixth ECOC, York, 1980, pp. 107–110.

Norman, S. R.

S. R. Norman, D. N. Payne, M. J. Adams, A. M. Smith, in Technical Digest, Second International Conference IOOC (Koninklijk Instituut van Ingenieurs, Amsterdam, 1979), paper 10.1.

Papas, C. H.

Payne, D. N.

W. A. Gambling, D. N. Payne, H. Matsumura, in Digest of Topical Meeting on Optical Fiber Transmission II (Optical Society of America, Washington, D.C., 1977), paper TuD5.

S. R. Norman, D. N. Payne, M. J. Adams, A. M. Smith, in Technical Digest, Second International Conference IOOC (Koninklijk Instituut van Ingenieurs, Amsterdam, 1979), paper 10.1.

Pleibel, W.

R. H. Stolen, V. Ramaswamy, P. Kaiser, W. Pleibel, Appl. Phys. Lett. 33, 699 (1978).
[Crossref]

Ramaswamy, V.

R. H. Stolen, V. Ramaswamy, P. Kaiser, W. Pleibel, Appl. Phys. Lett. 33, 699 (1978).
[Crossref]

Rashleigh, S. C.

S. C. Rashleigh, R. Ulrich, Appl. Phys. Lett. 34, 768, (1979).
[Crossref]

S. C. Rashleigh, R. Ulrich, Opt. Lett. 3, 60 (1978).
[Crossref] [PubMed]

Sano, K.

Shorthill, R. W.

Simon, A.

Smith, A. M.

A. M. Smith, Appl. Opt. 17, 52 (1978).
[Crossref] [PubMed]

S. R. Norman, D. N. Payne, M. J. Adams, A. M. Smith, in Technical Digest, Second International Conference IOOC (Koninklijk Instituut van Ingenieurs, Amsterdam, 1979), paper 10.1.

Snyder, A. W.

Stolen, R. H.

R. H. Stolen, E. H. Turner, Appl. Opt. 19, 842 (1980).
[Crossref] [PubMed]

R. H. Stolen, V. Ramaswamy, P. Kaiser, W. Pleibel, Appl. Phys. Lett. 33, 699 (1978).
[Crossref]

Turner, E. H.

Ulrich, R.

Vali, V.

Appl. Opt. (5)

Appl. Phys. Lett. (2)

S. C. Rashleigh, R. Ulrich, Appl. Phys. Lett. 34, 768, (1979).
[Crossref]

R. H. Stolen, V. Ramaswamy, P. Kaiser, W. Pleibel, Appl. Phys. Lett. 33, 699 (1978).
[Crossref]

IEEE J. Quantum Electron. (1)

F. P. Kapron, N. F. Borelli, D. B. Keck, IEEE J. Quantum Electron. QE-8, 222 (1972).
[Crossref]

J. Acoust. Soc. Am. (1)

J. A. Bucaro, H. D. Dardy, E. F. Carome, J. Acoust. Soc. Am. 62, 1302 (1977).
[Crossref]

J. Opt. Soc. Am. (2)

Opt. Lett. (1)

Other (3)

M. Monerie, D. Moutonnet, L. Jeunhomme, P. Lamouler, in Technical Digest, Sixth ECOC, York, 1980, pp. 107–110.

S. R. Norman, D. N. Payne, M. J. Adams, A. M. Smith, in Technical Digest, Second International Conference IOOC (Koninklijk Instituut van Ingenieurs, Amsterdam, 1979), paper 10.1.

W. A. Gambling, D. N. Payne, H. Matsumura, in Digest of Topical Meeting on Optical Fiber Transmission II (Optical Society of America, Washington, D.C., 1977), paper TuD5.

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Figures (4)

Fig. 1
Fig. 1

Calculated fiber retardance as a function of length for various twist rates ξ given by the values of Δβξ/ξ shown. Curves are plotted for an intrinsic linear retardance Δβ of 8°/m.

Fig. 2
Fig. 2

Measured optical-rotation parameters in fiber GSB4 as a function of fiber twist rate; length = 0.983 m: (a) rotation, (b) principal-axis orientation.

Fig. 3
Fig. 3

Measured linear retardance in 1.54 m of fiber VD214 as a function of twist rate (dots). Solid line shows values calculated for g′ = 0.073 and Δβ = 123°/m.

Fig. 4
Fig. 4

Relative magnetic sensitivity of a given length of twisted linearly birefringent fiber as a function of number of turns in the length. Curves are shown for the values of net retardance Δβz marked.

Tables (1)

Tables Icon

Table I Birefringence Characteristics of Spun and Unspun Fibers Measured at Various Wavelengths

Equations (21)

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R ( z ) = 2 sin - 1 ( ρ 1 + ρ 2 sin γ z ) ,
Ω ( z ) = ξ z + tan - 1 ( - 1 1 + ρ 2 tan γ z ) ,
ϕ ( z ) = ξ z - Ω ( z ) 2 ± m π 2             m = 0 , 1 , 2 , ,
ρ = Δ β 2 ( ξ - α ) ,
γ = ½ Δ β 2 + 4 ( ξ - α ) 2 .
α = g ξ ,
R ( z ) Δ β ( ξ - α ) sin [ ( ξ - α ) z ]
Ω ( z ) α z .
R ( z ) = Δ β ξ sin ( ξ z ) ,
Ω ( z ) = - ( Δ β ) 2 8 ξ z 0 ,
ϕ ( z ) = ξ z 2 .
P ( z ) = I 1 - I 2 I 1 + I 2 = 2 f η sin η z ,
η = ( Δ β 2 + 4 f 2 ) 1 / 2 .
P = I 1 - I 2 I 1 + I 2 = sin [ 2 ( δ 1 - γ 1 ) z ] 1 + tan 2 δ 1 z 1 + tan 2 δ z ,
δ = ½ Δ β 2 + 4 ( ξ - α + f ) 2 ,
tan δ 1 z = ( ξ - α + f ) δ tan δ z ,
tan γ 1 z = ( ξ - α ) γ tan γ z ,
Δ τ 0 = z c d ( Δ β ) d k ,
E ¯ 1 , 2 = [ x ^ ( z ) - i ( ρ ± 1 + ρ 2 ) y ^ ( z ) ] exp [ i ( β s ± γ ) z ] ,
Δ τ = z c d ( 2 γ ) d k = { 1 + [ Δ β 2 ( ξ - α ) ] 2 } - 1 / 2 × [ Δ β 2 ( ξ - α ) Δ τ 0 - 2 z c d α d k ] .
Δ τ = Δ β 2 ξ Δ τ 0 .

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