Abstract

The group refractive-index difference of cladding modes excited by a long-period fiber grating is characterized by use of the technique of optical low-coherence reflectometry, with a precision of <10-4. Very good agreement between theoretical and experimental results is demonstrated.

© 1999 Optical Society of America

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References

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  1. P. Lambelet, P. Y. Fonjallaz, H. G. Limberger, R. P. Salathé, C. Zimmer, and H. H. Gilgen, IEEE Photon. Technol. Lett. 5, 565 (1993).
    [CrossRef]
  2. R. P. Salathé, H. Gilgen, and G. Bodmer, Opt. Lett. 21, 1006 (1996).
    [CrossRef]
  3. S. A. Vasiliev, E. M. Dianov, A. S. Kurkov, O. I. Medvedkov, and V. N. Protopopov, Quantum Electron. 27, 146 (1997).
    [CrossRef]

1997 (1)

S. A. Vasiliev, E. M. Dianov, A. S. Kurkov, O. I. Medvedkov, and V. N. Protopopov, Quantum Electron. 27, 146 (1997).
[CrossRef]

1996 (1)

1993 (1)

P. Lambelet, P. Y. Fonjallaz, H. G. Limberger, R. P. Salathé, C. Zimmer, and H. H. Gilgen, IEEE Photon. Technol. Lett. 5, 565 (1993).
[CrossRef]

Bodmer, G.

Dianov, E. M.

S. A. Vasiliev, E. M. Dianov, A. S. Kurkov, O. I. Medvedkov, and V. N. Protopopov, Quantum Electron. 27, 146 (1997).
[CrossRef]

Fonjallaz, P. Y.

P. Lambelet, P. Y. Fonjallaz, H. G. Limberger, R. P. Salathé, C. Zimmer, and H. H. Gilgen, IEEE Photon. Technol. Lett. 5, 565 (1993).
[CrossRef]

Gilgen, H.

Gilgen, H. H.

P. Lambelet, P. Y. Fonjallaz, H. G. Limberger, R. P. Salathé, C. Zimmer, and H. H. Gilgen, IEEE Photon. Technol. Lett. 5, 565 (1993).
[CrossRef]

Kurkov, A. S.

S. A. Vasiliev, E. M. Dianov, A. S. Kurkov, O. I. Medvedkov, and V. N. Protopopov, Quantum Electron. 27, 146 (1997).
[CrossRef]

Lambelet, P.

P. Lambelet, P. Y. Fonjallaz, H. G. Limberger, R. P. Salathé, C. Zimmer, and H. H. Gilgen, IEEE Photon. Technol. Lett. 5, 565 (1993).
[CrossRef]

Limberger, H. G.

P. Lambelet, P. Y. Fonjallaz, H. G. Limberger, R. P. Salathé, C. Zimmer, and H. H. Gilgen, IEEE Photon. Technol. Lett. 5, 565 (1993).
[CrossRef]

Medvedkov, O. I.

S. A. Vasiliev, E. M. Dianov, A. S. Kurkov, O. I. Medvedkov, and V. N. Protopopov, Quantum Electron. 27, 146 (1997).
[CrossRef]

Protopopov, V. N.

S. A. Vasiliev, E. M. Dianov, A. S. Kurkov, O. I. Medvedkov, and V. N. Protopopov, Quantum Electron. 27, 146 (1997).
[CrossRef]

Salathé, R. P.

R. P. Salathé, H. Gilgen, and G. Bodmer, Opt. Lett. 21, 1006 (1996).
[CrossRef]

P. Lambelet, P. Y. Fonjallaz, H. G. Limberger, R. P. Salathé, C. Zimmer, and H. H. Gilgen, IEEE Photon. Technol. Lett. 5, 565 (1993).
[CrossRef]

Vasiliev, S. A.

S. A. Vasiliev, E. M. Dianov, A. S. Kurkov, O. I. Medvedkov, and V. N. Protopopov, Quantum Electron. 27, 146 (1997).
[CrossRef]

Zimmer, C.

P. Lambelet, P. Y. Fonjallaz, H. G. Limberger, R. P. Salathé, C. Zimmer, and H. H. Gilgen, IEEE Photon. Technol. Lett. 5, 565 (1993).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

P. Lambelet, P. Y. Fonjallaz, H. G. Limberger, R. P. Salathé, C. Zimmer, and H. H. Gilgen, IEEE Photon. Technol. Lett. 5, 565 (1993).
[CrossRef]

Opt. Lett. (1)

Quantum Electron. (1)

S. A. Vasiliev, E. M. Dianov, A. S. Kurkov, O. I. Medvedkov, and V. N. Protopopov, Quantum Electron. 27, 146 (1997).
[CrossRef]

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Figures (4)

Fig. 1
Fig. 1

Scheme of the OLCR measurement setup: PD, photodiode; LPG, long-period grating; MOD, modulator; REF, reference mirror. The inset shows the mode-propagation scheme.

Fig. 2
Fig. 2

Calculated group indices of core HE11 and cladding modes HE1m.

Fig. 3
Fig. 3

OLCR signal of (a) the fundamental mode and (b), (c) cladding mode HE110 for different fiber lengths at 1.55 µm.

Fig. 4
Fig. 4

Absolute value of OLCR delay versus fiber length for the HE17 and the HE110 cladding modes.

Tables (1)

Tables Icon

Table 1 Theoretical and OLCR Experimental Data of Cladding Modes Excited by Long-Period Gratings

Metrics