Abstract

The observation of dopant diffusion during the tapering of high-birefringent fibers that increases with initial modal birefringence is reported. The resulting reduction in the core–cladding index difference is postulated to result in an increased taper transmission loss and is shown to correspond to increased 3-dB fused-coupler insertion loss.

© 1988 Optical Society of America

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References

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  1. I. Yokohama, J. Noda, K. Okamoto, IEEE J. Lightwave Technol. LT-5, 910 (1987).
    [CrossRef]
  2. M. Abebe, C. A. Villarruel, W. K. Burns, IEEE J. Lightwave Technol. LT-6, 1191 (1988).
    [CrossRef]
  3. M. N. McLandrich, Electron. Lett. 24, 8 (1988).
    [CrossRef]
  4. T. Katsugama, H. Matsumura, T. Suganuma, Electron. Lett. 17, 473 (1981).
    [CrossRef]
  5. H. Kajioka, T. Kumagi, T. Ishikawa, T. Teraoka, in Digest of Topical Meeting on Optical Fiber Communication (Optical Society of America, Washington, D.C., 1988), paper WI3.
  6. J. Bures, S. Lacroix, J. Lapierre, Appl. Opt. 22, 1918 (1983).
    [CrossRef] [PubMed]
  7. W. K. Burns, M. Abebe, C. Villarruel, R. P. Moeller, IEEE J. Lightwave Technol. LT-4, 608 (1986).
    [CrossRef]
  8. W. K. Burns, M. Abebe, Appl. Opt. 26, 4190 (1987).
    [CrossRef] [PubMed]

1988 (2)

M. Abebe, C. A. Villarruel, W. K. Burns, IEEE J. Lightwave Technol. LT-6, 1191 (1988).
[CrossRef]

M. N. McLandrich, Electron. Lett. 24, 8 (1988).
[CrossRef]

1987 (2)

I. Yokohama, J. Noda, K. Okamoto, IEEE J. Lightwave Technol. LT-5, 910 (1987).
[CrossRef]

W. K. Burns, M. Abebe, Appl. Opt. 26, 4190 (1987).
[CrossRef] [PubMed]

1986 (1)

W. K. Burns, M. Abebe, C. Villarruel, R. P. Moeller, IEEE J. Lightwave Technol. LT-4, 608 (1986).
[CrossRef]

1983 (1)

1981 (1)

T. Katsugama, H. Matsumura, T. Suganuma, Electron. Lett. 17, 473 (1981).
[CrossRef]

Abebe, M.

M. Abebe, C. A. Villarruel, W. K. Burns, IEEE J. Lightwave Technol. LT-6, 1191 (1988).
[CrossRef]

W. K. Burns, M. Abebe, Appl. Opt. 26, 4190 (1987).
[CrossRef] [PubMed]

W. K. Burns, M. Abebe, C. Villarruel, R. P. Moeller, IEEE J. Lightwave Technol. LT-4, 608 (1986).
[CrossRef]

Bures, J.

Burns, W. K.

M. Abebe, C. A. Villarruel, W. K. Burns, IEEE J. Lightwave Technol. LT-6, 1191 (1988).
[CrossRef]

W. K. Burns, M. Abebe, Appl. Opt. 26, 4190 (1987).
[CrossRef] [PubMed]

W. K. Burns, M. Abebe, C. Villarruel, R. P. Moeller, IEEE J. Lightwave Technol. LT-4, 608 (1986).
[CrossRef]

Ishikawa, T.

H. Kajioka, T. Kumagi, T. Ishikawa, T. Teraoka, in Digest of Topical Meeting on Optical Fiber Communication (Optical Society of America, Washington, D.C., 1988), paper WI3.

Kajioka, H.

H. Kajioka, T. Kumagi, T. Ishikawa, T. Teraoka, in Digest of Topical Meeting on Optical Fiber Communication (Optical Society of America, Washington, D.C., 1988), paper WI3.

Katsugama, T.

T. Katsugama, H. Matsumura, T. Suganuma, Electron. Lett. 17, 473 (1981).
[CrossRef]

Kumagi, T.

H. Kajioka, T. Kumagi, T. Ishikawa, T. Teraoka, in Digest of Topical Meeting on Optical Fiber Communication (Optical Society of America, Washington, D.C., 1988), paper WI3.

Lacroix, S.

Lapierre, J.

Matsumura, H.

T. Katsugama, H. Matsumura, T. Suganuma, Electron. Lett. 17, 473 (1981).
[CrossRef]

McLandrich, M. N.

M. N. McLandrich, Electron. Lett. 24, 8 (1988).
[CrossRef]

Moeller, R. P.

W. K. Burns, M. Abebe, C. Villarruel, R. P. Moeller, IEEE J. Lightwave Technol. LT-4, 608 (1986).
[CrossRef]

Noda, J.

I. Yokohama, J. Noda, K. Okamoto, IEEE J. Lightwave Technol. LT-5, 910 (1987).
[CrossRef]

Okamoto, K.

I. Yokohama, J. Noda, K. Okamoto, IEEE J. Lightwave Technol. LT-5, 910 (1987).
[CrossRef]

Suganuma, T.

T. Katsugama, H. Matsumura, T. Suganuma, Electron. Lett. 17, 473 (1981).
[CrossRef]

Teraoka, T.

H. Kajioka, T. Kumagi, T. Ishikawa, T. Teraoka, in Digest of Topical Meeting on Optical Fiber Communication (Optical Society of America, Washington, D.C., 1988), paper WI3.

Villarruel, C.

W. K. Burns, M. Abebe, C. Villarruel, R. P. Moeller, IEEE J. Lightwave Technol. LT-4, 608 (1986).
[CrossRef]

Villarruel, C. A.

M. Abebe, C. A. Villarruel, W. K. Burns, IEEE J. Lightwave Technol. LT-6, 1191 (1988).
[CrossRef]

Yokohama, I.

I. Yokohama, J. Noda, K. Okamoto, IEEE J. Lightwave Technol. LT-5, 910 (1987).
[CrossRef]

Appl. Opt. (2)

Electron. Lett. (2)

M. N. McLandrich, Electron. Lett. 24, 8 (1988).
[CrossRef]

T. Katsugama, H. Matsumura, T. Suganuma, Electron. Lett. 17, 473 (1981).
[CrossRef]

IEEE J. Lightwave Technol. (3)

I. Yokohama, J. Noda, K. Okamoto, IEEE J. Lightwave Technol. LT-5, 910 (1987).
[CrossRef]

M. Abebe, C. A. Villarruel, W. K. Burns, IEEE J. Lightwave Technol. LT-6, 1191 (1988).
[CrossRef]

W. K. Burns, M. Abebe, C. Villarruel, R. P. Moeller, IEEE J. Lightwave Technol. LT-4, 608 (1986).
[CrossRef]

Other (1)

H. Kajioka, T. Kumagi, T. Ishikawa, T. Teraoka, in Digest of Topical Meeting on Optical Fiber Communication (Optical Society of America, Washington, D.C., 1988), paper WI3.

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Figures (3)

Fig. 1
Fig. 1

(a) Fiber diameter reduction and (b) core–cladding relative index difference versus taper pull length.

Fig. 2
Fig. 2

Index profiles for tapers formed from fiber P. l is the pull length; each scale equals 10 μm.

Fig. 3
Fig. 3

Typical 3-dB coupler attempts with (a) fiber O and (b) fiber P. Transmitted intensity is shown for the input and tap fibers versus coupler pull length.

Tables (1)

Tables Icon

Table 1 Fiber Birefringence Parametersa

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