Single Carrier 400G Transmission With Single-Ended Heterodyne Detection

被引：25
|
作者：
Zhu, Yixiao [1 ]
Zou, Kaiheng [1 ]
Ruan, Xiaoke [1 ]
Zhang, Fan [1 ]
机构：
[1] Peking Univ, State Key Lab Adv Opt Commun Syst & Networks, Beijing 100871, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2017年 / 29卷 / 21期
基金：
中国国家自然科学基金;
关键词：
Heterodyne; signal-signal beat interference; Kramers-Kronig receiver; SUBCARRIER MODULATION; COHERENT RECEIVER; SIGNAL; 16-QAM;
D O I：
10.1109/LPT.2017.2752201
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 demonstrate single channel 448 Gb/s (56 GBaud) and wavelength division multiplexed (WDM) 1.792-Tb/s transmission of Nyquist polarization division multiplexed 16-ary quadrature amplitude modulation (16-QAM) signal by employing heterodyne detection with single-ended photodiodes. The signal-signal beat interference induced by square-law detection of the single-ended photodiodes is overcome by the Kramers-Kronig scheme. For both single channel 160-km standard single mode fiber (SSMF) transmission and WDM 80-km SSMF transmission, the bit-error rates are below the 7% hard-decision forward error correction threshold of 4.5 x 10(-3). To the best of our knowledge, this letter is the first experiment of single carrier 400G optical transport with heterodyne detection. For WDM operation of high symbol rate heterodyne system, a record net spectral efficiency of 5.71 b/s/Hz is achieved.
引用
收藏
页码：1788 / 1791
页数：4
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