All-optical modulation format conversion from on-off-keying to multiple-level phase-shift-keying based on nonlinearity in optical fiber

被引:79
|
作者
Mishina, Ken [1 ]
Kitagawa, Satoru [1 ]
Maruta, Akihiro [1 ]
机构
[1] Osaka Univ, Grad Sch Engn, Suita, Osaka 5650871, Japan
来源
OPTICS EXPRESS | 2007年 / 15卷 / 13期
关键词
D O I
10.1364/OE.15.008444
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We propose an all-optical modulation format conversion scheme from non- return-to-zero on-off-keying (NRZ-OOK) to return-to-zero (RZ) multiple- level phase-shift-keying (PSK) based on nonlinearity in optical fiber. The proposed conversion scheme is numerically investigated and experimentally demonstrated. We experimentally demonstrate error-free operation of NRZ-OOK/RZ-binary PSK conversion at 10.7 Gb/s. The operation of the NRZ-OOK/RZ-quadrature PSK conversion is shown by eye opening after balanced receiving at a symbol rate of 10.7 Gsymbol/s. In addition, we demonstrate the feasibility of the modulation format conversion from NRZ-OOK to RZ-8- levels PSK by numerical simulation. (C) 2007 Optical Society of America
引用
收藏
页码:8444 / 8453
页数:10
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