Distributed Ultradense Optical Frequency-Division Multiplexing Using Fiber Nonlinearity

被引:17
|
作者
Elschner, Robert [1 ]
Richter, Thomas [1 ]
Kato, Tomoyuki [2 ]
Watanabe, Shigeki [2 ]
Schubert, Colja [1 ]
机构
[1] Heinrich Hertz Inst Nachrichtentech Berlin GmbH, Fraunhofer Inst Telecommun, D-10587 Berlin, Germany
[2] Fujitsu Labs Ltd, Kawasaki, Kanagawa 2118588, Japan
关键词
Coherent detection; fiber nonlinearity; frequency conversion; optical fiber communication; optical frequency-division multiplexing (OFDM); quadrature amplitude modulation; PERFORMANCE; QPSK;
D O I
10.1109/JLT.2012.2229259
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
We extend our investigations on a recently proposed concept for distributed coherent optical orthogonal frequency-division multiplexing (CO-OFDM) by fiber-frequency conversion for locally defined exact channel mapping based on free-running lasers. Experiments with quadrature phase-shift keying and 16-quadrature amplitude modulation subchannels show error-free performance and are compared to experiments with locally generated CO-OFDM.
引用
收藏
页码:628 / 633
页数:6
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