Abstract

We report the fabrication and characterization of a new type all-solid photonic bandgap fiber. By introducing an index depressed layer around the high-index rod in the unit cell of photonic crystal cladding, transmission loss as low as 2dBkm within the first bandgap is realized for the all-solid photonic bandgap fiber with a bandwidth of over 700nm. The bend loss experiment shows that the photonic bandgap fiber is much less bend sensitive than single-mode fiber.

© 2007 Optical Society of America

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2006 (3)

2005 (3)

2004 (1)

2003 (1)

2002 (1)

Argyros, A.

Bigot, L.

Bird, D. M.

Birks, T. A.

Bouwmans, G.

Cordeiro, C. M. B.

de Sterke, C. M.

Douay, M.

Dunn, S. C.

Eggleton, B. J.

George, A. K.

Hedley, T. D.

Knight, J. C.

Leon-Saval, S. G.

Litchinitser, N. M.

Lopez, F.

Luan, F.

Luo, J.

G. Ren, P. Shum, L. Zhang, M. Yan, X. Yu, W. Tong, and J. Luo, IEEE Photon. Technol. Lett. 18, 2560 (2006).
[CrossRef]

McPhedran, R. C.

Pearce, G. J.

Provino, L.

Quiquempois, Y.

Ren, G.

G. Ren, P. Shum, L. Zhang, M. Yan, X. Yu, W. Tong, and J. Luo, IEEE Photon. Technol. Lett. 18, 2560 (2006).
[CrossRef]

Russell, P. St. J.

Shum, P.

G. Ren, P. Shum, L. Zhang, M. Yan, X. Yu, W. Tong, and J. Luo, IEEE Photon. Technol. Lett. 18, 2560 (2006).
[CrossRef]

Stone, J. M.

Tong, W.

G. Ren, P. Shum, L. Zhang, M. Yan, X. Yu, W. Tong, and J. Luo, IEEE Photon. Technol. Lett. 18, 2560 (2006).
[CrossRef]

Usner, B.

Wang, A.

White, T. P.

Yan, M.

G. Ren, P. Shum, L. Zhang, M. Yan, X. Yu, W. Tong, and J. Luo, IEEE Photon. Technol. Lett. 18, 2560 (2006).
[CrossRef]

Yu, X.

G. Ren, P. Shum, L. Zhang, M. Yan, X. Yu, W. Tong, and J. Luo, IEEE Photon. Technol. Lett. 18, 2560 (2006).
[CrossRef]

Zhang, L.

G. Ren, P. Shum, L. Zhang, M. Yan, X. Yu, W. Tong, and J. Luo, IEEE Photon. Technol. Lett. 18, 2560 (2006).
[CrossRef]

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Figures (5)

Fig. 1
Fig. 1

(a) Refractive index profile of doped silica preform used to build the periodic structure of fiber cladding. (b) Optical micrograph of the fabricated PBGF. High- and low-index regions appear lighter and darker, respectively, in the image. The outer diameter of the fiber is 175 μ m . The inset shows the SEM of the fiber cross section close to the core. Only the germanium-doped part can be identified within each periodic cell.

Fig. 2
Fig. 2

(a) Normalized transmission spectrum of 5 m PBGF. (b) Bandgap and guided modes of the PBGF. (a) Left inset, output near-field image from 2 m of fiber at 1550 nm wavelength. (a) Right inset, the calculated intensity profile at the same wavelength.

Fig. 3
Fig. 3

Attenuation spectrum of all-solid PBGF.

Fig. 4
Fig. 4

Normalized transmission spectra of the PBGF with different bend radii ( R = 14 , 12, 10, 8, 7, and 6 mm ) for the length of ten turns. The spectral transmission of a straight fiber is also shown.

Fig. 5
Fig. 5

Measured bend losses for the SISMF and all-solid PBGF at a 1550 nm wavelength. The inset shows the index profile of the SISMF.

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