Mitigation of dispersion-induced effects using SOA in analog optical transmission

被引：26
|
作者：
Jeon, DH [1 ]
Jung, HD [1 ]
Han, SK [1 ]
机构：
[1] Yonsei Univ, Dept Elect & Elect Engn, Seodaemoon Ku, Seoul 120749, South Korea
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2002年 / 14卷 / 08期
关键词：
double sideband (DSB); chromatic dispersion; dispersion-induced carrier suppression (DICS); dispersion induced distortion (DID); intermodulation distortion (IMD); linear dynamic range (LDR); linearization;
D O I：
10.1109/LPT.2002.1022006
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：
A novel technique to improve an analog optical transmission performance by reducing both the nonlinearity and chromatic dispersion induced carrier suppression has been proposed. The intrinsic nonlinear distortion component of Mach-Zehnder modulator (MZM) was reduced by gain saturation characteristics of semiconductor optical amplifier (SOA). The composite triple beat (CTB) of MZM was reduced as much as 9 dB at the quadratic bias point and the following enhancement of dynamic range by 4.5 dB was obtained. The RF carrier suppression for the transmission length and operating frequency was reduced by a negative chirp characteristic of semiconductor optical amplifier (SOA) and the enhancement of CTB after transmission were also achieved as a result of the linearization using SOA.
引用
收藏
页码：1166 / 1168
页数：3
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