Abstract

The bending-induced birefringence in a fiber loop is used to restore locally perfect coupling conditions between the two slightly detuned cores of a dual-core fiber. It is also shown that varying the angle between the birefringence and the core’s axis allows one to obtain perfect control (0–100%) of the coupling ratio.

© 1993 Optical Society of America

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References

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  1. G. Schiffner, H. Schneider, G. Schöner, Appl. Phys. 23, 41 (1980).
    [Crossref]
  2. G. Schöner, G. Schiffner, Siemens Forsch. Entwicklungsber. 10, 172 (1981).
  3. Y. Murakami, S. Sudo, Appl. Opt. 20, 417 (1981).
    [Crossref] [PubMed]
  4. D. D. Gusovskii, E. M. Dianov, A. A. Maier, V. B. Neustruev, E. I. Shklovskii, I. A. Shcherbakov, Sov. J. Quantum Electron. 15, 1523 (1985).
    [Crossref]
  5. S. R. Friberg, A. M. Weiner, Y. Silberberg, B. G. Sfez, P. E. Smith, Opt. Lett. 13, 904 (1988).
    [Crossref] [PubMed]
  6. P. L. Chu, B. Wu, Opt. Lett. 17, 255 (1992).
    [Crossref] [PubMed]
  7. T. Tjugiarto, P. L. Chu, G. D. Peng, Opt. Lett. 17, 1058 (1992).
    [Crossref] [PubMed]
  8. G. D. Peng, T. Tjugiarto, P. L. Chu, Appl. Opt. 30, 632 (1991).
    [Crossref] [PubMed]
  9. B. K. Nayar, N. Finlayson, N. J. Doran, S. T. Davey, D. L. Williams, J. W. Arkwright, Opt. Lett. 16, 408 (1991).
    [Crossref] [PubMed]
  10. Institute National d’Optique, 369 rue Franquet, C. P. 9970, Sainte-Foy, Québec G1V 4C5, Canada.

1992 (2)

1991 (2)

1988 (1)

1985 (1)

D. D. Gusovskii, E. M. Dianov, A. A. Maier, V. B. Neustruev, E. I. Shklovskii, I. A. Shcherbakov, Sov. J. Quantum Electron. 15, 1523 (1985).
[Crossref]

1981 (2)

G. Schöner, G. Schiffner, Siemens Forsch. Entwicklungsber. 10, 172 (1981).

Y. Murakami, S. Sudo, Appl. Opt. 20, 417 (1981).
[Crossref] [PubMed]

1980 (1)

G. Schiffner, H. Schneider, G. Schöner, Appl. Phys. 23, 41 (1980).
[Crossref]

Arkwright, J. W.

Chu, P. L.

Davey, S. T.

Dianov, E. M.

D. D. Gusovskii, E. M. Dianov, A. A. Maier, V. B. Neustruev, E. I. Shklovskii, I. A. Shcherbakov, Sov. J. Quantum Electron. 15, 1523 (1985).
[Crossref]

Doran, N. J.

Finlayson, N.

Friberg, S. R.

Gusovskii, D. D.

D. D. Gusovskii, E. M. Dianov, A. A. Maier, V. B. Neustruev, E. I. Shklovskii, I. A. Shcherbakov, Sov. J. Quantum Electron. 15, 1523 (1985).
[Crossref]

Maier, A. A.

D. D. Gusovskii, E. M. Dianov, A. A. Maier, V. B. Neustruev, E. I. Shklovskii, I. A. Shcherbakov, Sov. J. Quantum Electron. 15, 1523 (1985).
[Crossref]

Murakami, Y.

Nayar, B. K.

Neustruev, V. B.

D. D. Gusovskii, E. M. Dianov, A. A. Maier, V. B. Neustruev, E. I. Shklovskii, I. A. Shcherbakov, Sov. J. Quantum Electron. 15, 1523 (1985).
[Crossref]

Peng, G. D.

Schiffner, G.

G. Schöner, G. Schiffner, Siemens Forsch. Entwicklungsber. 10, 172 (1981).

G. Schiffner, H. Schneider, G. Schöner, Appl. Phys. 23, 41 (1980).
[Crossref]

Schneider, H.

G. Schiffner, H. Schneider, G. Schöner, Appl. Phys. 23, 41 (1980).
[Crossref]

Schöner, G.

G. Schöner, G. Schiffner, Siemens Forsch. Entwicklungsber. 10, 172 (1981).

G. Schiffner, H. Schneider, G. Schöner, Appl. Phys. 23, 41 (1980).
[Crossref]

Sfez, B. G.

Shcherbakov, I. A.

D. D. Gusovskii, E. M. Dianov, A. A. Maier, V. B. Neustruev, E. I. Shklovskii, I. A. Shcherbakov, Sov. J. Quantum Electron. 15, 1523 (1985).
[Crossref]

Shklovskii, E. I.

D. D. Gusovskii, E. M. Dianov, A. A. Maier, V. B. Neustruev, E. I. Shklovskii, I. A. Shcherbakov, Sov. J. Quantum Electron. 15, 1523 (1985).
[Crossref]

Silberberg, Y.

Smith, P. E.

Sudo, S.

Tjugiarto, T.

Weiner, A. M.

Williams, D. L.

Wu, B.

Appl. Opt. (2)

Appl. Phys. (1)

G. Schiffner, H. Schneider, G. Schöner, Appl. Phys. 23, 41 (1980).
[Crossref]

Opt. Lett. (4)

Siemens Forsch. Entwicklungsber. (1)

G. Schöner, G. Schiffner, Siemens Forsch. Entwicklungsber. 10, 172 (1981).

Sov. J. Quantum Electron. (1)

D. D. Gusovskii, E. M. Dianov, A. A. Maier, V. B. Neustruev, E. I. Shklovskii, I. A. Shcherbakov, Sov. J. Quantum Electron. 15, 1523 (1985).
[Crossref]

Other (1)

Institute National d’Optique, 369 rue Franquet, C. P. 9970, Sainte-Foy, Québec G1V 4C5, Canada.

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Figures (3)

Fig. 1
Fig. 1

(a) Dual-core fiber loop, (b) Experimental setup for the measurements of the influence of or on the coupling properties.

Fig. 2
Fig. 2

Output power for the first fiber segment, i.e., LC = 5.1 cm. The loop length is 4.5 cm, and θ = 0°. The experimental plots were digitized using an Apple OneScanner, and the trace corresponding to core A was then dashed for clarity.

Fig. 3
Fig. 3

Output power in core A for five values of θ: (a) θ = −15°, (b) θ = −3°, (c) θ = 0°, (d) θ = 3°, (e) θ = 10°. A length of 9.0 cm of fiber segment 2 was used to form the loop.

Tables (1)

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Table 1 Parameters of the Two Fiber Segments Used in the Experiments

Equations (5)

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P B ( L ) = P 0 ( κ C 0 ) 2 sin 2 ( C 0 L ) ,
P A ( L ) = P 0 P B ( L ) ,
C 0 = 1 L 0 L C ( z ) d z ,
C ( z ) = { [ Δ β i Δ β L ( z ) 2 ] 2 + κ 2 } 1 / 2 ,
Δ β L ( z ) = β d 2 R ( 1 + ε E β ) cos ( α + θ z L ) .

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