Abstract

The cross section of a real air-core photonic bandgap fiber (PBGF) with structural distortions is analyzed using a vectorial finite-element method and compared with an ideal structure. It is found that the properties of air-core PBGFs are extremely sensitive to changes of the structural parameters. Structural distortions in real fibers have significant impact on fiber properties such as bandwidth and tunneling loss. Numerical results show that the bandwidth of the real fiber is reduced by a factor of two, and the tunneling is increased by almost a factor of 10<sup>4</sup> when compared to an ideal cross section.

© 2007 IEEE

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2006 (2)

2005 (3)

2004 (4)

2003 (4)

D. G. Ouzounov, F. R. Ahmad, D. Müller, N. Venkataraman, M. T. Gallagher, M. G. Thomas, J. Silcox, K. W. Koch, A. L. Gaeta, "Generation of megawatt optical solitons in hollow-core photonic bandgap fibers," Science 301, 1702-1704 (2003).

C. M. Smith, N. Venkataraman, M. T. Gallagher, D. Muller, J. A. West, N. F. Borrelli, D. C. Allan, K. W. Koch, "Low-loss hollow-core silica/air photonic bandgap fiber," Nature 424, 657-659 (2003).

Y. Xu, A. Yariv, "Loss analysis of air core photonic crystal fibers," Opt. Lett. 28, 1885-1887 (2003).

K. Saitoh, M. Koshiba, "Leakage loss and group velocity dispersion in air-core photonic bandgap fibers," Opt. Express 11, 3100-3109 (2003).

Nature (1)

C. M. Smith, N. Venkataraman, M. T. Gallagher, D. Muller, J. A. West, N. F. Borrelli, D. C. Allan, K. W. Koch, "Low-loss hollow-core silica/air photonic bandgap fiber," Nature 424, 657-659 (2003).

Opt. Express (8)

G. Bouwmans, L. Bigot, Y. Quiquempois, F. Lopez, L. Provino, M. Douay, "Fabrication and characterization of an all-solid 2D photonic gap fiber with a low-loss region ( < 20 dB/km) around 1550 nm," Opt. Express 13, 8452-8459 (2005).

S. A. Cerqueira, Jr.F. Luan, C. M. B. Cordeiro, A. K. George, J. C. Knight, "Hybrid photonic crystal fiber," Opt. Express 14, 926-931 (2006).

P. J. Roberts, F. Couny, H. Sabert, B. J. Mangan, D. P. Williams, L. Farr, M. W. Mason, A. Tomlinson, T. A. Birks, J. C. Knight, P. S. J. Russell, "Ultimate low loss of hollow-core photonic crystal fibers," Opt. Express 13, 236-244 (2005).

K. Saitoh, M. Koshiba, "Leakage loss and group velocity dispersion in air-core photonic bandgap fibers," Opt. Express 11, 3100-3109 (2003).

K. Saitoh, N. A. Mortensen, M. Koshiba, "Air-core photonic bandgap fibers, the impact of surface modes," Opt. Express 12, 394-400 (2004).

J. A. West, C. M. Smith, N. F. Borrelli, D. C. Allan, K. W. Koch, "Surface modes in air-core photonic bandgap fibers," Opt. Express 12, 1485-1496 (2004).

P. J. Roberts, D. P. Williams, B. J. Mangan, H. Sabert, F. Couny, W. J. Wadsworth, T. A. Birks, J. C. Knight, P. S. J. Russell, "Realizing low loss air core photonic crystal fibers by exploiting an antiresonant core surround ," Opt. Express 13, 8277-8285 (2005).

P. J. Roberts, D. P. Williams, H. Sabert, B. J. Mangan, D. M. Bird, T. A. Birks, J. C. Knight, P. S. J. Russell, "Design of low-loss and highly birefringent hollow-core photonic crystal fiber," Opt. Express 14, 7329-7341 (2006).

Opt. Lett. (3)

Science (1)

D. G. Ouzounov, F. R. Ahmad, D. Müller, N. Venkataraman, M. T. Gallagher, M. G. Thomas, J. Silcox, K. W. Koch, A. L. Gaeta, "Generation of megawatt optical solitons in hollow-core photonic bandgap fibers," Science 301, 1702-1704 (2003).

Other (3)

F. Poletti, M. N. Petrovich, R. Amezcua-Correa, N. G. Broderick, T. M. Monro, D. J. Richardson, "Advances and limitations in the modeling of fabricated photonic bandgap fibers," Optical Fiber Commun. Nat. Fiber Optic Engineers Conf. AnaheimCA (2006) Paper OFC2.

N. Venkataraman, M. T. Gallagher, C. M. Smith, D. Muller, J. A. West, K. W. Koch, J. C. Fajardo, "Low loss (13 dB/km) air core photonic bandgap fiber," Eur. Conf. Optical Commun. CopenhagenDenmark (2002) Paper PD1.1.

B. J. Mangan, L. Farr, A. Langford, P. J. Roberts, D. P. Williams, F. Couny, M. Lawman, M. Mason, S. Coupland, R. Flea, H. Sabert, T. A. Birks, J. C. Knight, P. S. J. Russell, "Low loss (1.7 dB/km) hollow core photonic bandgap fiber," Optical Fiber Commun. Los AngelesCA (2004) Paper PDP24.

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