Optimized Layered/Enhanced ACO-SCFDM for Short-Reach Optical Interconnects

被引：2

作者：

Guo, Mengqi ^{[1
]}

Zhou, Ji ^{[1
]}

Tang, Xizi ^{[1
]}

Qi, Jia ^{[1
]}

Liu, Shuangyue ^{[1
]}

Xu, Xuekai ^{[1
]}

Lu, Yueming ^{[2
]}

Qiao, Yaojun ^{[1
]}

机构：

[1] Beijing Univ Posts & Telecommun, Sch Informat & Commun Engn, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China

[2] Beijing Univ Posts & Telecommun, Minist Educ, Key Lab Trustworthy Distributed Comp & Serv, Beijing 100876, Peoples R China

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2018年 / 30卷 / 14期

基金：

中国国家自然科学基金;

关键词：

L/E-ACO-SCFDM; low peak-to-average power ratio; low computational complexity; optical interconnects; OFDM; TRANSMISSION;

D O I：

10.1109/LPT.2018.2845888

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：

This letter is the first experimental demonstration of layered/enhanced asymmetrically clipped optical single-carrier frequency-division multiplexing (L/E-ACO-SCFDM) in short-reach optical interconnects. An optimized method is employed to significantly improve the performance of L/E-ACO-SCFDM. L/E-ACO-SCFDM has higher spectral efficiency than ACO-SCFDM, and it also has lower peak-to-average power ratio and computational complexity than L/E-ACO orthogonal frequency-division multiplexing (L/E-ACO-OFDM). In the experimental system, the low-cost electrical and optical devices are utilized, which induce serious high-frequency distortion caused by bandwidth limitation. Under the same spectral efficiency and net bit rate, the optimized L/E-ACO-SCFDM has about 4-dB and more than 3-dB receive sensitivity improvement at 7% forward error correction limit compared with the optimized L/E-ACO-OFDM and the optimized ACO-SCFDM, respectively. Therefore, L/E-ACO-SCFDM is a promising scheme for the future short-reach optical interconnects.

引用

页码：1321 / 1324

页数：4

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