Abstract

A simple photonic crystal fiber (PCF) design with a rectangular array of four airholes in the core region and a traditional circular-airhole cladding is proposed in this work. The modal birefringence is induced by the asymmetry of the rectangular distribution of four airholes and/or the elliptical shape of the holes. The traditional symmetric cladding structure results in good confinement loss performance by limiting the light in the core region. Therefore, the proposed design enables simultaneous realization of high birefringence and low confinement loss. Simulations based on the full-vector finite element method (FEM) with anisotropic (PML) show that ultrahigh single-mode birefringence $(\sim 10^{-2})$ and ultralow confinement losses ($<$0.002 dB/km) can be achieved at 1.55 $\mu{\rm m}$ wavelength. Dependence study of the birefringence and losses on several key parameters is also provided. Compared to previously studied PCF with asymmetric core or cladding structures, by having just four relatively large airholes in the core, this design could be much easier to be implemented with even better performance.

© 2009 IEEE

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2008 (1)

S. M. A. Razzak, Y. Namihira, "Proposal for highly nonlinear dispersion-flattened octagonal photonic crystal fibers," IEEE Photon. Technol. Lett. 20, 249-251 (2008).

2007 (5)

M. Eguchi, Y. Tsuji, "Single-mode single-polarization holey fiber using anisotropic fundamental space-filling mode," Opt. Lett. 32, 2112-2114 (2007).

Y. Yue, G. Y. Kai, Z. Wang, T. T. Sun, L. Jin, Y. F. Lu, C. S. Zhang, L. G. Liu, Y. Li, Y. G. Liu, S. Z. Yuan, X. Y. Dong, "Highly birefringent elliptical-hole photonic crystal fiber with squeezed hexagonal lattice," Opt. Lett. 32, 469-471 (2007).

D. Chen, L. Shen, "Ultrahigh birefringent photonic crystal fiber with ultralow confinement loss," IEEE Photon. Technol. Lett. 19, 185-187 (2007).

Y. Tsuchida, K. Saitoh, M. Koshiba, "Design of single-moded holey fibers with large-mode-area and low bending losses: The significance of the ring-core region," Opt. Exp. 15, 1794-1803 (2007).

M. Delgado-Pinar, A. Diez, J. L. Cruz, M. V. Andres, "High extinction-ratio polarizing endlessly single-mode photonic crystal fiber," IEEE Photon. Technol. Lett. 19, 562-564 (2007).

2006 (3)

Z. Guiyao, H. Zhiyun, L. Shuguang, H. Lantian, "Fabrication of glass photonic crystal fibers with a die-cast process," Appl. Opt. 45, 4433-4436 (2006).

N. Florous, K. Saitoh, M. Koshiba, "The role of artificial defects for engineering large effective mode area, flat chromatic dispersion, and low leakage losses in photonic crystal fibers: Towards high speed reconfigurable transmission platforms," Opt. Exp. 14, 901-913 (2006).

S. Yang, Y. J. Zhang, X. Z. Peng, Y. Lu, S. H. Xie, "Theoretical study and experimental fabrication of high negative dispersion photonic crystal fiber with large area mode field," Opt. Exp. 14, 3015-3023 (2006).

2005 (3)

T. Matsui, J. Zhou, K. Nakajima, I. Sankawa, "Dispersion-flattened photonic crystal fiber with large effective area and low confinement loss," J. Lightw. Technol. 23, 4178-4183 (2005).

J. R. Folkenberg, M. D. Nielsen, C. Jakobsen, "Broadband single-polarization photonic crystal fiber," Opt. Lett. 30, 1446-1448 (2005).

W. Belardi, G. Bouwmans, L. Provino, M. Douay, "Form-induced birefringence in elliptical hollow photonic crystal fiber with large mode area," IEEE J. Quantum Electron. 41, 1558-1564 (2005).

2004 (3)

N. A. Issa, M. A. van Eijkelenborg, M. Fellew, F. Cox, G. Henry, M. C. J. Large, "Fabrication and study of microstructured optical fibers with elliptical holes," Opt. Lett. 29, 1336-1338 (2004).

P. R. Chaudhuri, V. Paulose, C. Zhao, C. Lu, "Near-elliptic core polarization-maintaining photonic crystal fiber: Modeling birefringence characteristics and realization," IEEE Photon. Technol. Lett. 16, 1301-1303 (2004).

A. Ortigosa-Blanch, A. Diez, M. Delgado-Pinar, J. L. Cruz, M. V. Andres, "Ultrahigh birefringent nonlinear microstructured fiber," IEEE Photon. Technol. Lett. 16, 1667-1669 (2004).

2003 (1)

K. Saitoh, M. Koshiba, "Single-polarization single-mode photonic crystal fibers," IEEE Photon. Technol. Lett. 15, 1384-1386 (2003).

2002 (1)

J. C. Knight, P. S. J. Russell, "Photonic crystal fibers: New way to guide light," Science 296, 276-277 (2002).

2001 (1)

M. J. Steel, R. M. Osgood, "Polarization and dispersive properties of elliptical-hole photonic crystal," J. Lightw. Technol. 19, 495-503 (2001).

2000 (1)

1998 (1)

J. C. Knight, J. Broeng, T. A. Birks, P. S. J. Russell, "Photonic band gap guidance in optical fibers," Science 282, 1476-1478 (1998).

1997 (1)

1996 (1)

Appl. Opt. (1)

IEEE J. Quantum Electron. (1)

W. Belardi, G. Bouwmans, L. Provino, M. Douay, "Form-induced birefringence in elliptical hollow photonic crystal fiber with large mode area," IEEE J. Quantum Electron. 41, 1558-1564 (2005).

IEEE Photon. Technol. Lett. (6)

D. Chen, L. Shen, "Ultrahigh birefringent photonic crystal fiber with ultralow confinement loss," IEEE Photon. Technol. Lett. 19, 185-187 (2007).

P. R. Chaudhuri, V. Paulose, C. Zhao, C. Lu, "Near-elliptic core polarization-maintaining photonic crystal fiber: Modeling birefringence characteristics and realization," IEEE Photon. Technol. Lett. 16, 1301-1303 (2004).

A. Ortigosa-Blanch, A. Diez, M. Delgado-Pinar, J. L. Cruz, M. V. Andres, "Ultrahigh birefringent nonlinear microstructured fiber," IEEE Photon. Technol. Lett. 16, 1667-1669 (2004).

K. Saitoh, M. Koshiba, "Single-polarization single-mode photonic crystal fibers," IEEE Photon. Technol. Lett. 15, 1384-1386 (2003).

M. Delgado-Pinar, A. Diez, J. L. Cruz, M. V. Andres, "High extinction-ratio polarizing endlessly single-mode photonic crystal fiber," IEEE Photon. Technol. Lett. 19, 562-564 (2007).

S. M. A. Razzak, Y. Namihira, "Proposal for highly nonlinear dispersion-flattened octagonal photonic crystal fibers," IEEE Photon. Technol. Lett. 20, 249-251 (2008).

J. Lightw. Technol. (2)

T. Matsui, J. Zhou, K. Nakajima, I. Sankawa, "Dispersion-flattened photonic crystal fiber with large effective area and low confinement loss," J. Lightw. Technol. 23, 4178-4183 (2005).

M. J. Steel, R. M. Osgood, "Polarization and dispersive properties of elliptical-hole photonic crystal," J. Lightw. Technol. 19, 495-503 (2001).

Opt. Exp. (3)

N. Florous, K. Saitoh, M. Koshiba, "The role of artificial defects for engineering large effective mode area, flat chromatic dispersion, and low leakage losses in photonic crystal fibers: Towards high speed reconfigurable transmission platforms," Opt. Exp. 14, 901-913 (2006).

S. Yang, Y. J. Zhang, X. Z. Peng, Y. Lu, S. H. Xie, "Theoretical study and experimental fabrication of high negative dispersion photonic crystal fiber with large area mode field," Opt. Exp. 14, 3015-3023 (2006).

Y. Tsuchida, K. Saitoh, M. Koshiba, "Design of single-moded holey fibers with large-mode-area and low bending losses: The significance of the ring-core region," Opt. Exp. 15, 1794-1803 (2007).

Opt. Lett. (7)

Science (2)

J. C. Knight, J. Broeng, T. A. Birks, P. S. J. Russell, "Photonic band gap guidance in optical fibers," Science 282, 1476-1478 (1998).

J. C. Knight, P. S. J. Russell, "Photonic crystal fibers: New way to guide light," Science 296, 276-277 (2002).

Other (1)

G. P. Agrawal, Fiber-optic Communication Systems, 3rd Ed. (Wiley, 2002).

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