To further increase system capacity and improve system performance, we have designed and fabricated non zero dispersion shifted large effective area fiber ( LEAF TM ) using the Outside Vapor Deposition(OVD) ( OVD ) technique. 为了进一步提高系统容量和改善系统性能,我们利用外气相沉积(OVD)工艺,设计并制作了大有效面积非零色散位移光纤,称为康宁LEAFTM光纤。