Abstract

We present a new detection scheme for measuring the spatial distribution of mode coupling in birefringent, polarization-maintaining fibers. The new method can improve the signal-to-noise ratio by a factor of 100 compared with the previously reported heterodyne-detection scheme. As a result, origin of the mode coupling in a low-cross-talk, birefringent fiber is clarified.

© 1986 Optical Society of America

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References

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  1. Y. Yamamoto, T. Kimura, IEEE J. Quantum Electron. QE-17, 919 (1981).
    [Crossref]
  2. R. Ulrich, M. Johnson, Opt. Lett. 4, 152 (1979).
    [Crossref] [PubMed]
  3. K. Takada, J. Noda, Y. Sasaki, Electron. Lett. 20, 119 (1984).
    [Crossref]
  4. C. S. Wang, W. H. Cheng, C. J. Huang, W. K. Burns, R. P. Moeller, App. Phys. Lett. 41, 587 (1982).
    [Crossref]
  5. Y. Sasaki, T. Hosaka, K. Takada, J. Noda, Electron. Lett. 19, 792 (1983).
    [Crossref]
  6. E. Brinkmeyer, W. Eickkhoff, Electron. Lett. 19, 996 (1983).
    [Crossref]

1984 (1)

K. Takada, J. Noda, Y. Sasaki, Electron. Lett. 20, 119 (1984).
[Crossref]

1983 (2)

Y. Sasaki, T. Hosaka, K. Takada, J. Noda, Electron. Lett. 19, 792 (1983).
[Crossref]

E. Brinkmeyer, W. Eickkhoff, Electron. Lett. 19, 996 (1983).
[Crossref]

1982 (1)

C. S. Wang, W. H. Cheng, C. J. Huang, W. K. Burns, R. P. Moeller, App. Phys. Lett. 41, 587 (1982).
[Crossref]

1981 (1)

Y. Yamamoto, T. Kimura, IEEE J. Quantum Electron. QE-17, 919 (1981).
[Crossref]

1979 (1)

Brinkmeyer, E.

E. Brinkmeyer, W. Eickkhoff, Electron. Lett. 19, 996 (1983).
[Crossref]

Burns, W. K.

C. S. Wang, W. H. Cheng, C. J. Huang, W. K. Burns, R. P. Moeller, App. Phys. Lett. 41, 587 (1982).
[Crossref]

Cheng, W. H.

C. S. Wang, W. H. Cheng, C. J. Huang, W. K. Burns, R. P. Moeller, App. Phys. Lett. 41, 587 (1982).
[Crossref]

Eickkhoff, W.

E. Brinkmeyer, W. Eickkhoff, Electron. Lett. 19, 996 (1983).
[Crossref]

Hosaka, T.

Y. Sasaki, T. Hosaka, K. Takada, J. Noda, Electron. Lett. 19, 792 (1983).
[Crossref]

Huang, C. J.

C. S. Wang, W. H. Cheng, C. J. Huang, W. K. Burns, R. P. Moeller, App. Phys. Lett. 41, 587 (1982).
[Crossref]

Johnson, M.

Kimura, T.

Y. Yamamoto, T. Kimura, IEEE J. Quantum Electron. QE-17, 919 (1981).
[Crossref]

Moeller, R. P.

C. S. Wang, W. H. Cheng, C. J. Huang, W. K. Burns, R. P. Moeller, App. Phys. Lett. 41, 587 (1982).
[Crossref]

Noda, J.

K. Takada, J. Noda, Y. Sasaki, Electron. Lett. 20, 119 (1984).
[Crossref]

Y. Sasaki, T. Hosaka, K. Takada, J. Noda, Electron. Lett. 19, 792 (1983).
[Crossref]

Sasaki, Y.

K. Takada, J. Noda, Y. Sasaki, Electron. Lett. 20, 119 (1984).
[Crossref]

Y. Sasaki, T. Hosaka, K. Takada, J. Noda, Electron. Lett. 19, 792 (1983).
[Crossref]

Takada, K.

K. Takada, J. Noda, Y. Sasaki, Electron. Lett. 20, 119 (1984).
[Crossref]

Y. Sasaki, T. Hosaka, K. Takada, J. Noda, Electron. Lett. 19, 792 (1983).
[Crossref]

Ulrich, R.

Wang, C. S.

C. S. Wang, W. H. Cheng, C. J. Huang, W. K. Burns, R. P. Moeller, App. Phys. Lett. 41, 587 (1982).
[Crossref]

Yamamoto, Y.

Y. Yamamoto, T. Kimura, IEEE J. Quantum Electron. QE-17, 919 (1981).
[Crossref]

App. Phys. Lett. (1)

C. S. Wang, W. H. Cheng, C. J. Huang, W. K. Burns, R. P. Moeller, App. Phys. Lett. 41, 587 (1982).
[Crossref]

Electron. Lett. (3)

Y. Sasaki, T. Hosaka, K. Takada, J. Noda, Electron. Lett. 19, 792 (1983).
[Crossref]

E. Brinkmeyer, W. Eickkhoff, Electron. Lett. 19, 996 (1983).
[Crossref]

K. Takada, J. Noda, Y. Sasaki, Electron. Lett. 20, 119 (1984).
[Crossref]

IEEE J. Quantum Electron. (1)

Y. Yamamoto, T. Kimura, IEEE J. Quantum Electron. QE-17, 919 (1981).
[Crossref]

Opt. Lett. (1)

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Figures (4)

Fig. 1
Fig. 1

Experimental setup for measuring the spatial distribution of mode coupling in birefringent fibers.

Fig. 2
Fig. 2

Measured mode-coupling distribution for a 0.53-km-long birefringent, polarization-maintaining PANDA fiber. Peaks surrounded by circles at Z = 0 and Z = 0.53 km and one peak at Z = 0.4 km represent the interference peaks due to multimode operation of the SLD light source.

Fig. 3
Fig. 3

Degree of coherence of the SLD output light. The measurement conditions were the same as those in Fig. 2.

Fig. 4
Fig. 4

Measured mode-coupling distribution at positions along fiber from 0.32 to 0.51 km. The scanning speed of mirror M2 was 33 μm/sec.

Equations (2)

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I ( t ) = Γ cos [ 2 π ( Δ f ) t + ϕ cos ( 2 π f t ) + α ] ,
V ( t ) = Γ J 1 ( ϕ ) sin [ 2 π ( Δ f + f ) t + α ] ,

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