[1] [1] T. A. Birks, J. C. Knight, P. St. J. Russell. Endlessly single-mode photonic crystal fiber [J]. Opt. Lett., 1997, 22(13):961～963

[2] [2] E. S. Faramarz, R. Mahnaz, K. Vajieh. Parameter analysis of a photonic crystal fiber with raised-core index profile based on effective index method [J]. Chin. Opt. Lett., 2006, 4(8):442～445

[6] [6] A. Ortigosa-Blanch, J. C. Knight, W. J. Wadsworth et al.. Highly birefringent photonic crystal fibers [J]. Opt. Lett., 2000, 25(18):1325～1327

[7] [7] M. J. Steel, R. M. Osgood Jr.. Polarization and dispersive properties of elliptical-hole photonic crystal fibers [J]. J. Lightwave Technol., 2001, 19(4):495～503

[8] [8] H. Kubota, S. Kawanishi, S. Koyanagi et al.. Absolutely single-polarization photonic crystal fiber [J]. IEEE Photon. Technol. Lett., 2004, 16(1):182～184

[9] [9] Yani Zhang, Kang Li, Lili Wang et al.. Casting preforms for microstructured polymer optical fibre fabrication [J]. Opt. Express, 2006, 14(12):5541～5547

[10] [10] N. A. Issa, M. A. van Eijkelenborg, M. Fellew et al.. Fabrication and study of microstructured optical fibers with elliptical holes [J]. Opt. Lett., 2004, 29(12):1336～1338

[11] [11] K. S. Chiang. Stress-induced birefringence fibers designed for single-polarization single-mode operation [J]. J. Lightwave Technol., 1989, 7(2):436～441

[12] [12] K. Saitoh, M. Koshiba. Single-polarization single-mode photonic crystal fibers [J]. IEEE Photon. Technol. Lett., 2003, 15(10):1384～1386

[13] [13] Jian Ju, Wei Jin, M. S. Demokan. Design of single-polarization single-mode photonic crystal fiber at 1.30 and 1.55 μm [J]. J. Lightwave Technol., 2006, 24(2):825～830

[14] [14] G. Kakarantzas, A. Ortigosa-Blanch, T. A. Birks et al.. Structural rocking filters in highly birefringent photonic crystal fiber [J]. Opt. Lett., 2003, 28(3):158～160

[15] [15] K. Saitoh, M. Koshiba. Confinement losses in air-guiding photonic bandgap fibers [J]. IEEE Photon. Technol. Lett., 2003, 15(2):236～238