[1] HUANG J J,LI G,CHEN M,et al.Simulation dispersion properties of photonic crystal fiber[J].Laser Technology,2006,30(4):432-435(in Chinese).
[2] MANGAN B J,KNIGHT J C,BIRKS T A,et al.Experimental study of dual-core photonic crystal fibre[J].Electronics Letters,2000,36(16):1358-1359.
[3] LEE B H,EOM J B,KIM J,et al.Photonic crystal fiber coupler[J].Optics Letters,2002,10(27):812-814.
[4] PAVEL P,KANKA J.Erbium-doped twin-core fibre narrow-band filter for fibrelasers[J].Optical and Quantum Electronics,2001,33(4-5):571-581.
[5] GAUDEN D,MECHIN D,VAUDRY C,et al.Variable optical attenuator based on thermally tuned Mach-Zehnder interferometer within a twin core fiber[J].Optics Communications,2004,231(1/6):213- 216.
[6] DAI J.Researches on the photonic-bandgap fibers and the application of photonic-bandgap fibers[R].Beijing:Beijing University of Posts and Telecommunications,2009:16-17(in Chinese).
[7] WANG Zh.Study on functional devices of photonic crystal fibers[R].Tianjin:Nankai University,2007:24-26(in Chinese).
[8] WEST J A,SMITH C M,BORRELLI N F,et al.Surface modes in air-core photonic band-gap fibers[J].Optics Express,2004,12(8):1485-1496.
[9] KIM H K,SHIN J,FAN S,et al.Designing air-core photonic-bandgap fibers free of surface modes[J].IEEE Journal of Quantum Electronics,2004,40(5):551-556.
[10] AMEZCUA-CORREA R,GEROME F,LEON-SAVAL S G,et al.Control of surface modes in low loss hollow-core photonic bandgap fibers[J].Optics Express,2008,16(2):1142-1149.
[11] ROBERTS P J,WILLIAMS D P,MANGAN B J,et al.Realizing low loss air core photonic crystal fibers by exploiting an antiresonant core surround[J].Optics Express,2005,13(20):8277-8285.
[12] ZHANG H,WANG Q G,YANG B J.Design of core-cladding interface of hollow-core photonic- bandgap fibers[J].Acta Optica Sinica,2007,28(3):543-548(in Chinese).
[13] YU R J,XIANG Y,CHEN M Y,et al.Research on coupling lengths of twin-core photonic crystal fiber[J].Journal of Optoelectronics·Laser,2004,15(7):775-777(in Chinese).
[14] COUNY F,BENABID F,ROBERTS P J,et al.Identifi- cation of bloch-modes in hollow-core photonic crystal fiber cladding[J].Optics Express,2007,15(2):325-338.
[15] MICHEL J F D,KIM H K,SHIN J,et al.Simple geo- metric criterion to predict the existence of surface modes in air-core photonic-bandgap fibers[J].Optics Express,2004,12(9):1864-1872.