An All-Optical Modulation Format Conversion for 8QAM Based on FWM in HNLF

被引：35
|
作者：
Zhang, Banghong [1 ]
Zhang, Hongyu [1 ]
Yu, Changyuan [1 ,2 ]
Cheng, Xiaofei [3 ]
Yeo, Yong Kee [3 ]
Kam, Pooi-Kuen [1 ]
Yang, Jing [3 ]
Zhang, Hongguang [3 ]
Wen, Yu-Hsiang [4 ]
Feng, Kai-Ming [4 ]
机构：
[1] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore
[2] Agcy Sci Technol & Res, Inst Infocomm Res I2R, Singapore 138632, Singapore
[3] Agcy Sci Technol & Res, Inst Infocomm Res, Singapore 138632, Singapore
[4] Natl Tsing Hua Univ, Dept Photon Technol, Hsinchu 300, Taiwan
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2013年 / 25卷 / 04期
关键词：
8-ary quadrature amplitude modulation (8QAM); cross phase modulation (XPM); four-wave mixing (FWM); highly nonlinear fiber (HNLF); SOA; NRZ; RZ; FIBER;
D O I：
10.1109/LPT.2012.2236547
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 letter, we propose and experimentally demonstrate an all-optical modulation format conversion scheme from amplitude shift keying (ASK) and quadrature phase shift keying (QPSK) to 8-ary quadrature amplitude modulation (8QAM), using four-wave mixing (FWM) effect in highly nonlinear fiber. In the FWM process, a 20-Gbits/s return-to-zero QPSK (RZ-QPSK) signal and a 10-Gbit/s ASK signal are utilized as probe light and pump light, respectively. A 30-Gbits/s RZ-8QAM signal, which is the idler light, is successfully obtained with optical signal-to-noise ratio larger than 30 dB and bit-error rate lower than 10(-5).
引用
收藏
页码：327 / 330
页数：4
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