Design of a large effective-area nonzero-dispersion fiber for DWDM systems

被引：1
|
作者：
Survaiya, SP [1 ]
Shevgaonkar, RK
机构：
[1] Indian Inst Technol, Dept Elect & Commun Engn, N Guwahati 781031, India
[2] Indian Inst Technol, Dept Elect Engn, Bombay 400076, Maharashtra, India
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2001年 / 29卷 / 04期
关键词：
fiber dispersion; Kerr nonlinearity; four-wave mixing; large effective-core-area fiber; wavelength-division multiplexing;
D O I：
10.1002/mop.1143
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we analyze and propose an optimum index profile which can give a larger core effective area with nonzero-dispersion characteristics. The index profile is modeled by an exponentially modulated linear chirp profile function. A linear finite-element method (LFEM) is used for computing the transmission characteristics of an optical fiber having an arbitrary refractive-index profile. The optimum index profile can give a core effective area of 117 mum(2). The dispersion varies linearly from 2.5 to 4.5 ps / nm . km with a dispersion slope of 0.065 ps / nm(2) . km over the 1.53-1.56 mum wavelength range. Sensitivity analysis for the designed fiber characteristics is also studied. The bend loss is about 0.001 dB / m for a bend radius of 100 mm. (C) 2001 John Wiley & Sons, Inc.
引用
收藏
页码：238 / 244
页数：7
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