Abstract

We demonstrate that polarization transformation and scattering in adiabatically twisted single-mode birefringent optical fibers is synchronized so that light in one evolving elliptically polarized mode is freely transmitted while orthogonally polarized light is scattered out of the fiber. Thus, linearly polarized radiation initially oriented along the fast axis of the untwisted fiber is transformed to circularly polarized light with the same sense of rotation as the twisted fiber and is scattered out of the fiber. When the fiber twist is first accelerated and then decelerated, the fiber becomes a broadband, low-insertion-loss, linear polarizer.

© 2006 Optical Society of America

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References

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2004

V. I. Kopp, V. M. Churikov, J. Singer, N. Chao, D. Neugroschl, and A. Z. Genack, Science 305, 74 (2004).
[CrossRef] [PubMed]

2003

1997

1979

1970

Chao, N.

V. I. Kopp, V. M. Churikov, J. Singer, N. Chao, D. Neugroschl, and A. Z. Genack, Science 305, 74 (2004).
[CrossRef] [PubMed]

Chen, X.

Churikov, V. M.

V. I. Kopp, V. M. Churikov, J. Singer, N. Chao, D. Neugroschl, and A. Z. Genack, Science 305, 74 (2004).
[CrossRef] [PubMed]

Genack, A. Z.

V. I. Kopp, V. M. Churikov, J. Singer, N. Chao, D. Neugroschl, and A. Z. Genack, Science 305, 74 (2004).
[CrossRef] [PubMed]

V. I. Kopp and A. Z. Genack, Opt. Lett. 28, 1876 (2003).
[CrossRef] [PubMed]

Henvis, B.

Huang, H.

Hunt, T. L.

Kopp, V. I.

V. I. Kopp, V. M. Churikov, J. Singer, N. Chao, D. Neugroschl, and A. Z. Genack, Science 305, 74 (2004).
[CrossRef] [PubMed]

V. I. Kopp and A. Z. Genack, Opt. Lett. 28, 1876 (2003).
[CrossRef] [PubMed]

Li, M.-J.

Neugroschl, D.

V. I. Kopp, V. M. Churikov, J. Singer, N. Chao, D. Neugroschl, and A. Z. Genack, Science 305, 74 (2004).
[CrossRef] [PubMed]

Nolan, D. A.

Simon, A.

Singer, J.

V. I. Kopp, V. M. Churikov, J. Singer, N. Chao, D. Neugroschl, and A. Z. Genack, Science 305, 74 (2004).
[CrossRef] [PubMed]

Teitler, S.

Ulrich, R.

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Figures (4)

Fig. 1
Fig. 1

(Color online) Calculation of the effective refractive indices for orthogonally polarized eigenmodes in adiabatically twisted birefringent optical fiber. The fiber was modeled as a 16 mm long stack of 1 μ m thick anisotropic layers structure twisted to a final right-handed pitch of 110 μ m . Linear polarizations along the fast and slow axes and right and left circularly polarized radiation are intrinsic modes of the untwisted fiber and of the fiber twisted with short constant pitch. While the cross-handed circular polarization is not scattered, the cohanded circular polarization is scattered out of the fiber. Center, side view of an adiabatically twisted optical fiber with rectangular core.

Fig. 2
Fig. 2

(Color online) Calculation of conversion of linear polarization to right circular polarization. The residual left circularly polarized light is shown in the graph for different values of the birefringence of the untwisted fiber.

Fig. 3
Fig. 3

(Color online) Calculation of conversion of linear (along fast axis) polarization in a right-handed optical fiber with Δ n = 0.013 . (a) Evolution of the polarization in the laboratory’s coordinate system shown on the Poincaré sphere. (b) Evolution of the polarization in the structure’s coordinate system.

Fig. 4
Fig. 4

(Color online) Measurements of wavelength dependence of light transmission through optical fibers twisted with various pitch profiles.

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