Abstract

We report a strongly anisotropic photonic crystal fiber. Twofold rotational symmetry was introduced into a single-mode fiber structure by creation of a regular array of airholes of two sizes disposed about a pure-silica core. Based on spectral measurements of the polarization mode beating, we estimate that the fiber has a beat length of approximately 0.4 mm at a wavelength of 1540 nm, in good agreement with the results of modeling.

© 2000 Optical Society of America

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References

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2000

J. C. Knight, J. Arriaga, T. A. Birks, A. Ortigosa-Blanch, W. J. Wadsworth, and P. St. J. Russell, IEEE Photon. Technol. Lett. 12, 807 (2000).
[CrossRef]

J. K. Ranka, R. S. Windeler, and A. J. Stenz, Opt. Lett. 25, 25 (2000).
[CrossRef]

1999

1997

1996

1985

1982

D. N. Payne, A. J. Barlow, and J. J. Ramskov Hansen, J. Quantum Electron. QE-18, 477 (1982).
[CrossRef]

Andres, M. V.

Andres, P.

Arriaga, J.

J. C. Knight, J. Arriaga, T. A. Birks, A. Ortigosa-Blanch, W. J. Wadsworth, and P. St. J. Russell, IEEE Photon. Technol. Lett. 12, 807 (2000).
[CrossRef]

Atkin, D. M.

Barlow, A. J.

D. N. Payne, A. J. Barlow, and J. J. Ramskov Hansen, J. Quantum Electron. QE-18, 477 (1982).
[CrossRef]

Birks, T. A.

Dyott, R. B.

R. B. Dyott, Elliptical Fiber Waveguides (Artech House, Boston, Mass., 1995).

Ferrando, A.

Knight, J. C.

Miret, J. J.

Noda, J.

Ortigosa-Blanch, A.

J. C. Knight, J. Arriaga, T. A. Birks, A. Ortigosa-Blanch, W. J. Wadsworth, and P. St. J. Russell, IEEE Photon. Technol. Lett. 12, 807 (2000).
[CrossRef]

Payne, D. N.

D. N. Payne, A. J. Barlow, and J. J. Ramskov Hansen, J. Quantum Electron. QE-18, 477 (1982).
[CrossRef]

Ramskov Hansen, J. J.

D. N. Payne, A. J. Barlow, and J. J. Ramskov Hansen, J. Quantum Electron. QE-18, 477 (1982).
[CrossRef]

Ranka, J. K.

Russell, P. St. J.

Silvestre, E.

Stenz, A. J.

Takada, K.

Ulrich, R.

Wadsworth, W. J.

J. C. Knight, J. Arriaga, T. A. Birks, A. Ortigosa-Blanch, W. J. Wadsworth, and P. St. J. Russell, IEEE Photon. Technol. Lett. 12, 807 (2000).
[CrossRef]

Windeler, R. S.

Appl. Opt.

IEEE Photon. Technol. Lett.

J. C. Knight, J. Arriaga, T. A. Birks, A. Ortigosa-Blanch, W. J. Wadsworth, and P. St. J. Russell, IEEE Photon. Technol. Lett. 12, 807 (2000).
[CrossRef]

J. Quantum Electron.

D. N. Payne, A. J. Barlow, and J. J. Ramskov Hansen, J. Quantum Electron. QE-18, 477 (1982).
[CrossRef]

Opt. Lett.

Other

Newport Corporation, Irvine, Calif.

R. B. Dyott, Elliptical Fiber Waveguides (Artech House, Boston, Mass., 1995).

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Figures (3)

Fig. 1
Fig. 1

(a) Scanning-electron micrograph, showing detail of the cross section of the core region of the fiber used in the experiment. The central silica region, surrounded by airholes, acts as the fiber core. (b) Idealized structure used in the numerical modeling.

Fig. 2
Fig. 2

(a) Experimental and (b) theoretical contour maps of the near-field pattern of the fiber used in the experiment. The contours correspond to 20% steps in the intensity, and the vertical axis corresponds to the direction of the small airholes. The profiles of the two polarization modes in the fiber are indistinguishable.

Fig. 3
Fig. 3

Typical plot of the signal transmitted through a polarizer placed at the end of the fiber. The fiber length was 860 mm. Note that the overall transmitted intensity is constant.

Equations (4)

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LB=2πβx-βy=λnx-ny,
ϕ=βx-βyL=2πL/LB,
Δλ=LB2LdLBdλ.
LBApprox=ΔλLkλ,

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