Abstract

The length dependence of LP11 mode loss is obtained experimentally by applying a heterodyne interferometric method. Loss values of the LP11 modes are evaluated for short test fibers 3 to 25 m long in the wavelength region close to the cutoff. The experimental results are coincident with those reported previously. We emphasize that the modal dispersion between the LP01 and LP11 modes is evaluated simultaneously by this method.

© 1986 Optical Society of America

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References

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  1. Y. Kato, K. Kitayama, S. Seikai, N. Uchida, IEEE J. Quantum Electron. QE-17, 35 (1981).
    [CrossRef]
  2. D. L. Franzen, IEEE J. Lightwave Technol. LT-3, 128 (1985).
    [CrossRef]
  3. K. Kitayama, M. Ohashi, Y. Ishida, IEEE J. Lightwave Technol. LT-2, 629 (1984).
    [CrossRef]
  4. M. Ohashi, K. Kitayama, T. Kobayashi, Y. Ishida, Opt. Lett. 9, 303 (1984).
    [CrossRef] [PubMed]
  5. N. Shibata, M. Tsubokawa, S. Seikai, Electron. Lett 20, 1055 (1984).
    [CrossRef]
  6. N. Shibata, M. Tsubokawa, S. Seikai, Opt. Lett. 10, 92 (1985).
    [CrossRef] [PubMed]
  7. M. Imai, H. Hara, Appl. Opt. 14, 169 (1975).
    [PubMed]
  8. Y. Katsuyama, M. Tokuda, N. Uchida, M. Nakahara, Electron. Lett. 12, 669 (1978).
    [CrossRef]
  9. F. T. Stone, in 10th European Conference on Optical Communication, Technical Digest (VDE-Verlag, Berlin, 1984), p. 100.

1985 (2)

D. L. Franzen, IEEE J. Lightwave Technol. LT-3, 128 (1985).
[CrossRef]

N. Shibata, M. Tsubokawa, S. Seikai, Opt. Lett. 10, 92 (1985).
[CrossRef] [PubMed]

1984 (3)

K. Kitayama, M. Ohashi, Y. Ishida, IEEE J. Lightwave Technol. LT-2, 629 (1984).
[CrossRef]

M. Ohashi, K. Kitayama, T. Kobayashi, Y. Ishida, Opt. Lett. 9, 303 (1984).
[CrossRef] [PubMed]

N. Shibata, M. Tsubokawa, S. Seikai, Electron. Lett 20, 1055 (1984).
[CrossRef]

1981 (1)

Y. Kato, K. Kitayama, S. Seikai, N. Uchida, IEEE J. Quantum Electron. QE-17, 35 (1981).
[CrossRef]

1978 (1)

Y. Katsuyama, M. Tokuda, N. Uchida, M. Nakahara, Electron. Lett. 12, 669 (1978).
[CrossRef]

1975 (1)

Franzen, D. L.

D. L. Franzen, IEEE J. Lightwave Technol. LT-3, 128 (1985).
[CrossRef]

Hara, H.

Imai, M.

Ishida, Y.

M. Ohashi, K. Kitayama, T. Kobayashi, Y. Ishida, Opt. Lett. 9, 303 (1984).
[CrossRef] [PubMed]

K. Kitayama, M. Ohashi, Y. Ishida, IEEE J. Lightwave Technol. LT-2, 629 (1984).
[CrossRef]

Kato, Y.

Y. Kato, K. Kitayama, S. Seikai, N. Uchida, IEEE J. Quantum Electron. QE-17, 35 (1981).
[CrossRef]

Katsuyama, Y.

Y. Katsuyama, M. Tokuda, N. Uchida, M. Nakahara, Electron. Lett. 12, 669 (1978).
[CrossRef]

Kitayama, K.

K. Kitayama, M. Ohashi, Y. Ishida, IEEE J. Lightwave Technol. LT-2, 629 (1984).
[CrossRef]

M. Ohashi, K. Kitayama, T. Kobayashi, Y. Ishida, Opt. Lett. 9, 303 (1984).
[CrossRef] [PubMed]

Y. Kato, K. Kitayama, S. Seikai, N. Uchida, IEEE J. Quantum Electron. QE-17, 35 (1981).
[CrossRef]

Kobayashi, T.

Nakahara, M.

Y. Katsuyama, M. Tokuda, N. Uchida, M. Nakahara, Electron. Lett. 12, 669 (1978).
[CrossRef]

Ohashi, M.

K. Kitayama, M. Ohashi, Y. Ishida, IEEE J. Lightwave Technol. LT-2, 629 (1984).
[CrossRef]

M. Ohashi, K. Kitayama, T. Kobayashi, Y. Ishida, Opt. Lett. 9, 303 (1984).
[CrossRef] [PubMed]

Seikai, S.

N. Shibata, M. Tsubokawa, S. Seikai, Opt. Lett. 10, 92 (1985).
[CrossRef] [PubMed]

N. Shibata, M. Tsubokawa, S. Seikai, Electron. Lett 20, 1055 (1984).
[CrossRef]

Y. Kato, K. Kitayama, S. Seikai, N. Uchida, IEEE J. Quantum Electron. QE-17, 35 (1981).
[CrossRef]

Shibata, N.

N. Shibata, M. Tsubokawa, S. Seikai, Opt. Lett. 10, 92 (1985).
[CrossRef] [PubMed]

N. Shibata, M. Tsubokawa, S. Seikai, Electron. Lett 20, 1055 (1984).
[CrossRef]

Stone, F. T.

F. T. Stone, in 10th European Conference on Optical Communication, Technical Digest (VDE-Verlag, Berlin, 1984), p. 100.

Tokuda, M.

Y. Katsuyama, M. Tokuda, N. Uchida, M. Nakahara, Electron. Lett. 12, 669 (1978).
[CrossRef]

Tsubokawa, M.

N. Shibata, M. Tsubokawa, S. Seikai, Opt. Lett. 10, 92 (1985).
[CrossRef] [PubMed]

N. Shibata, M. Tsubokawa, S. Seikai, Electron. Lett 20, 1055 (1984).
[CrossRef]

Uchida, N.

Y. Kato, K. Kitayama, S. Seikai, N. Uchida, IEEE J. Quantum Electron. QE-17, 35 (1981).
[CrossRef]

Y. Katsuyama, M. Tokuda, N. Uchida, M. Nakahara, Electron. Lett. 12, 669 (1978).
[CrossRef]

Appl. Opt. (1)

Electron. Lett (1)

N. Shibata, M. Tsubokawa, S. Seikai, Electron. Lett 20, 1055 (1984).
[CrossRef]

Electron. Lett. (1)

Y. Katsuyama, M. Tokuda, N. Uchida, M. Nakahara, Electron. Lett. 12, 669 (1978).
[CrossRef]

IEEE J. Lightwave Technol. (2)

D. L. Franzen, IEEE J. Lightwave Technol. LT-3, 128 (1985).
[CrossRef]

K. Kitayama, M. Ohashi, Y. Ishida, IEEE J. Lightwave Technol. LT-2, 629 (1984).
[CrossRef]

IEEE J. Quantum Electron. (1)

Y. Kato, K. Kitayama, S. Seikai, N. Uchida, IEEE J. Quantum Electron. QE-17, 35 (1981).
[CrossRef]

Opt. Lett. (2)

Other (1)

F. T. Stone, in 10th European Conference on Optical Communication, Technical Digest (VDE-Verlag, Berlin, 1984), p. 100.

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Figures (3)

Fig. 1
Fig. 1

Two-beam interferometer for measuring attenuation characteristics of the LP11 mode.

Fig. 2
Fig. 2

Optical beat amplitude as a function of optical path difference for the test fiber with various fiber lengths at a wavelength of 1.290 μm.

Fig. 3
Fig. 3

Length dependence of (a) the LP11 mode loss and (b) group-delay difference between the LP01 and LP11 modes as a function of fiber length.

Equations (2)

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I ( t ) = K 1 [ ( I 0 I R ) 1 / 2 γ ( T 0 R ) cos ( 2 π f a t + ϕ 0 R ) + ( I 1 I R ) 1 / 2 γ ( T 1 R ) cos ( 2 π f a t + ϕ 1 R ) ] ,
S = K 2 [ I 0 1 / 2 γ ( T 0 R ) + I 1 1 / 2 γ ( T 1 R ) ] ,

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