Chinese Optics Letters, 2011, 9 (9): 090602, Published Online: Aug. 24, 2011
Polarization and modal field properties of quinquangular-core photonic crystal fibers Download: 628次
光子晶体光纤 有限元法 有效折射率 模场形状 双折射 060.5295 Photonic crystal fibers 060.2280 Fiber design and fabrication 060.2420 Fibers, polarization-maintaining 260.5430 Polarization
Abstract
A kind of highly birefringent quinquangular-core photonic crystal fiber (Q-PCF) structure is proposed and analyzed by full-vector finite element method (FEM). The modal field, effective index, and birefringence properties are investigated. From the numerical results, it is found that the birefringence of the new polarization-maintaining PCFs is at least five times larger than that of the standard highly birefringent hexagonal PCFs (H-PCFs) with the same hole pitch, hole diameter, and whole hole area as that of the new PCFs at 1 550 nm. Moreover, the modal field of the new PCFs could be better restricted than that of the standard highly birefringent H-PCFs; hence, the loss of fibers could be reduced.
Xuyou Li, Hanrui Yang, Qiuli Zheng, Jinhui Hao, Wei Hong. Polarization and modal field properties of quinquangular-core photonic crystal fibers[J]. Chinese Optics Letters, 2011, 9(9): 090602.