Abstract

A nondestructive technique for the accurate alignment of the birefringent axes of high-birefringence optical fibers at an arbitrary position is demonstrated by using an elasto-optic effect. Alignment accuracy of less than 0.5° is achieved, and the slow and fast birefringent axes can be easily distinguished. A high-birefringence-fiber directional coupler with less than −28 dB polarization cross coupling, constructed by using this technique, is described.

© 1986 Optical Society of America

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References

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  1. R. A. Bergh, H. C. Lefevre, H. J. Shaw, Opt. Lett. 5, 479 (1980).
    [CrossRef] [PubMed]
  2. R. A. Bergh, G. Kotler, H. J. Shaw, Electron. Lett. 16, 260 (1980).
    [CrossRef]
  3. R. B. Dyott, P. F. Schrank, Electron. Lett. 18, 980 (1982).
    [CrossRef]
  4. R. H. Stolen, W. Pleibel, J. R. Simpson, IEEE J. Lightwave Technol. LT-2, 639 (1984).
    [CrossRef]
  5. Y. Namihira, M. Kudo, Y. Mushiako, Trans. Inst. Electron. Commun. Eng. Jpn. J60C, 391 (1977).
  6. R. C. Youngquist, J. L. Brooks, H. J. Shaw, Opt. Lett. 8, 656 (1983).
    [CrossRef] [PubMed]
  7. N. Chinone, R. Ulrich, Opt. Lett. 6, 16 (1981).
    [CrossRef] [PubMed]
  8. R. Ulrich, A. Simon, Appl. Opt. 19, 2241 (1979).
    [CrossRef]

1984 (1)

R. H. Stolen, W. Pleibel, J. R. Simpson, IEEE J. Lightwave Technol. LT-2, 639 (1984).
[CrossRef]

1983 (1)

1982 (1)

R. B. Dyott, P. F. Schrank, Electron. Lett. 18, 980 (1982).
[CrossRef]

1981 (1)

1980 (2)

R. A. Bergh, H. C. Lefevre, H. J. Shaw, Opt. Lett. 5, 479 (1980).
[CrossRef] [PubMed]

R. A. Bergh, G. Kotler, H. J. Shaw, Electron. Lett. 16, 260 (1980).
[CrossRef]

1979 (1)

R. Ulrich, A. Simon, Appl. Opt. 19, 2241 (1979).
[CrossRef]

1977 (1)

Y. Namihira, M. Kudo, Y. Mushiako, Trans. Inst. Electron. Commun. Eng. Jpn. J60C, 391 (1977).

Bergh, R. A.

R. A. Bergh, G. Kotler, H. J. Shaw, Electron. Lett. 16, 260 (1980).
[CrossRef]

R. A. Bergh, H. C. Lefevre, H. J. Shaw, Opt. Lett. 5, 479 (1980).
[CrossRef] [PubMed]

Brooks, J. L.

Chinone, N.

Dyott, R. B.

R. B. Dyott, P. F. Schrank, Electron. Lett. 18, 980 (1982).
[CrossRef]

Kotler, G.

R. A. Bergh, G. Kotler, H. J. Shaw, Electron. Lett. 16, 260 (1980).
[CrossRef]

Kudo, M.

Y. Namihira, M. Kudo, Y. Mushiako, Trans. Inst. Electron. Commun. Eng. Jpn. J60C, 391 (1977).

Lefevre, H. C.

Mushiako, Y.

Y. Namihira, M. Kudo, Y. Mushiako, Trans. Inst. Electron. Commun. Eng. Jpn. J60C, 391 (1977).

Namihira, Y.

Y. Namihira, M. Kudo, Y. Mushiako, Trans. Inst. Electron. Commun. Eng. Jpn. J60C, 391 (1977).

Pleibel, W.

R. H. Stolen, W. Pleibel, J. R. Simpson, IEEE J. Lightwave Technol. LT-2, 639 (1984).
[CrossRef]

Schrank, P. F.

R. B. Dyott, P. F. Schrank, Electron. Lett. 18, 980 (1982).
[CrossRef]

Shaw, H. J.

Simon, A.

R. Ulrich, A. Simon, Appl. Opt. 19, 2241 (1979).
[CrossRef]

Simpson, J. R.

R. H. Stolen, W. Pleibel, J. R. Simpson, IEEE J. Lightwave Technol. LT-2, 639 (1984).
[CrossRef]

Stolen, R. H.

R. H. Stolen, W. Pleibel, J. R. Simpson, IEEE J. Lightwave Technol. LT-2, 639 (1984).
[CrossRef]

Ulrich, R.

Youngquist, R. C.

Appl. Opt. (1)

R. Ulrich, A. Simon, Appl. Opt. 19, 2241 (1979).
[CrossRef]

Electron. Lett. (2)

R. A. Bergh, G. Kotler, H. J. Shaw, Electron. Lett. 16, 260 (1980).
[CrossRef]

R. B. Dyott, P. F. Schrank, Electron. Lett. 18, 980 (1982).
[CrossRef]

IEEE J. Lightwave Technol. (1)

R. H. Stolen, W. Pleibel, J. R. Simpson, IEEE J. Lightwave Technol. LT-2, 639 (1984).
[CrossRef]

Opt. Lett. (3)

Trans. Inst. Electron. Commun. Eng. Jpn. (1)

Y. Namihira, M. Kudo, Y. Mushiako, Trans. Inst. Electron. Commun. Eng. Jpn. J60C, 391 (1977).

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Figures (3)

Fig. 1
Fig. 1

A birefringent fiber with lateral stress applied at an arbitrary angle θ with respect to the unperturbed slow axis s, producing perturbed slow and fast axes s′ and f′, respectively.

Fig. 2
Fig. 2

Experimental setup for alignment of birefringent axes. The fiber is rolled between the squeezing jaws using a translation stage until the desired orientation is achieved.

Fig. 3
Fig. 3

Experimental results showing the output signal at the modulation frequency (dots). The solid line represents the theoretical curve for the test conditions (Bext/Bint ≈ 0.4 and L ≈ 1 mm).

Equations (3)

Equations on this page are rendered with MathJax. Learn more.

tan 2 α = B ext sin 2 θ B int - B ext cos 2 θ ,
B T = ( B int 2 + B ext 2 - 2 B int B ext cos 2 θ ) 1 / 2 .
P out = P in ( sin 2 α sin ψ 2 ) 2 .

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