Abstract

We theoretically derive the relationship between the degrees of polarization (DOPs) of input and output for an optical component with polarization-dependent loss (PDL) and birefringence. Based on the theoretical result, we propose a novel depolarizer for quasi-monochromatic light that can depolarize a fully polarized light with a 50MHz linewidth to less than 0.2% in the DOP. The depolarized light is then used to measure PDL in a single-mode optical fiber link. To the best of our knowledge, our new PDL measurement method is significantly faster than all known methods. Experimental results show excellent agreement with other methods.

© 2006 Optical Society of America

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References

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2005 (1)

2004 (1)

A. Bessa dos Santos and J. P. von der Weid, IEEE Photon. Technol. Lett. 16, 452 (2004).
[Crossref]

2002 (1)

1998 (1)

1996 (1)

1994 (1)

1992 (1)

B. L. Heffner, IEEE Photon. Technol. Lett. 4, 451 (1992).
[Crossref]

1991 (1)

R. Simon, Opt. Commun. 77, 349 (1991).
[Crossref]

1986 (1)

K. Takada, K. Okamoto, and J. Noda, J. Lightwave Technol. 2, 213 (1986).
[Crossref]

1981 (1)

R. Barakat, Opt. Commun. 38, 159 (1981).
[Crossref]

1963 (1)

Barakat, R.

Bessa dos Santos, A.

A. Bessa dos Santos and J. P. von der Weid, IEEE Photon. Technol. Lett. 16, 452 (2004).
[Crossref]

Chipman, R. A.

Craig, R. M.

Dong, H.

Fukada, Y.

Gilbert, S. L.

Gong, Y.

Hale, P. D.

Heffner, B. L.

B. L. Heffner, IEEE Photon. Technol. Lett. 4, 451 (1992).
[Crossref]

Lu, S.-Y.

Ning, G.

Noda, J.

K. Takada, K. Okamoto, and J. Noda, J. Lightwave Technol. 2, 213 (1986).
[Crossref]

Okamoto, K.

K. Takada, K. Okamoto, and J. Noda, J. Lightwave Technol. 2, 213 (1986).
[Crossref]

Shum, P.

Simon, R.

R. Simon, Opt. Commun. 77, 349 (1991).
[Crossref]

Takada, K.

K. Takada, K. Okamoto, and J. Noda, J. Lightwave Technol. 2, 213 (1986).
[Crossref]

von der Weid, J. P.

A. Bessa dos Santos and J. P. von der Weid, IEEE Photon. Technol. Lett. 16, 452 (2004).
[Crossref]

Wu, C.

Yan, M.

IEEE Photon. Technol. Lett. (2)

B. L. Heffner, IEEE Photon. Technol. Lett. 4, 451 (1992).
[Crossref]

A. Bessa dos Santos and J. P. von der Weid, IEEE Photon. Technol. Lett. 16, 452 (2004).
[Crossref]

J. Lightwave Technol. (3)

J. Opt. Soc. Am. (1)

J. Opt. Soc. Am. A (2)

Opt. Commun. (2)

R. Barakat, Opt. Commun. 38, 159 (1981).
[Crossref]

R. Simon, Opt. Commun. 77, 349 (1991).
[Crossref]

Opt. Express (1)

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Figures (6)

Fig. 1
Fig. 1

Configuration of a quasi-monochromatic light depolarizer.

Fig. 2
Fig. 2

DOPs measured at (a) the output port of traditional depolarizer and (b) after the variable PDL component.

Fig. 3
Fig. 3

Relation between the input DOP and the required PDL value for fully depolarizing the input.

Fig. 4
Fig. 4

Experimental configuration for PDL measurement using unpolarized light.

Fig. 5
Fig. 5

Output DOPs for an unpolarized light through (a) an isolator and (b) a side-polished single-mode fiber.

Fig. 6
Fig. 6

PDL measurement results of (a) an optical isolator and (b) a side-polished single-mode fiber.

Tables (1)

Tables Icon

Table 1 PDL Measurement Results of Two Samples

Equations (7)

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( s out 0 s out 1 s out 2 s out 3 ) = M ( s in 0 s in 1 s in 2 s in 3 ) = ( m 11 m 12 m 13 m 14 m 21 m 22 m 23 m 24 m 31 m 32 m 33 m 34 m 41 m 42 m 43 m 44 ) ( s in 0 s in 1 s in 2 s in 3 ) .
M T G M = det M G .
s out 0 2 s out 1 2 s out 2 2 s out 3 2 = det M ( s in 0 2 s in 1 2 s in 2 2 s in 3 2 ) .
DOP out = 1 det M ( 1 DOP in 2 ) s in 0 2 s out 0 2 .
det M = m 11 2 m 12 2 m 13 2 m 14 2 .
DOP out = 1 ( 1 D 2 ) ( 1 DOP in 2 ) ( 1 + D S in ) 2 .
PDL = 10 log ( 1 + DOP out 1 DOP out ) .

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