Profile structure of single-mode fibers with low nonlinear properties for long-haul communication lines

被引：5
作者：
Belov, AV
机构：
[1] PO Box 6165, 13083-970, SP, Campinas
来源：
OPTICS COMMUNICATIONS | 1999年 / 161卷 / 4-6期
基金：
巴西圣保罗研究基金会;
关键词：
optical fiber; chromatic dispersion; effective core area; dispersion varying fiber;
D O I：
10.1016/S0030-4018(99)00049-8
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Special W-core ring (WCR) fiber profile structures with low nonlinear properties for long-haul communication lines are proposed. A single-mode dispersion-flattened fiber (DFF) design with effective core area larger than 55 mu m(2) and low bending loss is presented. It is shown that based on this structure and small variation of outer diameter along the fiber length, it is possible to fabricate a continuous dispersion varying fiber (DVF) with average zero dispersion (less than 0.012 ps nm(-1) km(-1)) in the spectral range 1.53-1.56 mu m. Besides, a single-mode dispersion-shifted (DSF) fiber design with large effective core area over 75 mu m(2) and low bending loss is proposed. By varying only the refractive index profile (RIP) of this fiber, a DSF with negative chromatic dispersion slope in the 1.55-mu m range can be produced. It is shown that in this case an average chromatic dispersion of DVF, based on this DSF, does not exceed +/-0.4 ps nm(-1) km(-1) in the spectral range 1.53-1.56 mu m. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：212 / 216
页数：5
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