Abstract

Broadband, compact in-fiber polarizers were fabricated using a pulsed CO2 laser to modify the air holes along one side of the hollow-core photonic bandgap fibers. The polarizers have lengths from 3 to 6mm and exhibit a polarization extinction ratio of better than 20dB over a wavelength range larger than 100nm at approximately 1550nm.

© 2008 Optical Society of America

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References

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C. M. Smith, N. Venkataraman, M. T. Gallagher, D. Muller, J. A. West, N. F. Borrelli, D. C. Allan, and K. W. Koch, Nature 424, 657 (2003).
[CrossRef] [PubMed]

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[CrossRef] [PubMed]

K. Saitoh and M. Koshiba, IEEE Photon. Technol. Lett. 15, 236 (2003).
[CrossRef]

2001 (1)

S. Selleri, L. Vincetti, A. Cucinotta, and M. Zoboli, Opt. Quantum Electron. 33, 359 (2001).
[CrossRef]

1999 (1)

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. S. Russell, P. J. Roberts, and D. C. Allan, Science 285, 1537 (1999).
[CrossRef] [PubMed]

1987 (1)

1980 (1)

IEEE Photon. Technol. Lett. (1)

K. Saitoh and M. Koshiba, IEEE Photon. Technol. Lett. 15, 236 (2003).
[CrossRef]

Nature (2)

C. M. Smith, N. Venkataraman, M. T. Gallagher, D. Muller, J. A. West, N. F. Borrelli, D. C. Allan, and K. W. Koch, Nature 424, 657 (2003).
[CrossRef] [PubMed]

J. C. Knight, Nature 424, 847 (2003).
[CrossRef] [PubMed]

Opt. Express (2)

Opt. Lett. (4)

Opt. Quantum Electron. (1)

S. Selleri, L. Vincetti, A. Cucinotta, and M. Zoboli, Opt. Quantum Electron. 33, 359 (2001).
[CrossRef]

Science (1)

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. S. Russell, P. J. Roberts, and D. C. Allan, Science 285, 1537 (1999).
[CrossRef] [PubMed]

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Figures (5)

Fig. 1
Fig. 1

Experimental setup for polarizer fabrication.

Fig. 2
Fig. 2

(a) SEM image of the original HC-1550-02 PBG fiber. (b) Cross section and (c) side view of valley created by CO 2 laser irradiation. Only segments of the valley are shown in (c).

Fig. 3
Fig. 3

Evolution of PDL with the number of CO 2 -laser-scanning cycles.

Fig. 4
Fig. 4

(a) Response of a 3 mm HC-PBG fiber polarizer to linearly polarized light at 1550 nm with direction varying from 0 ° to 360 ° , (b) trace of output polarization state on the Poincare sphere when the input light is evolving from left to right circular polarization.

Fig. 5
Fig. 5

Calculated confinement losses of two orthogonal polarizations as functions of wavelength. (a) A simplified model, and (b) a model that resembles the SEM image in Fig. 2b.

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