Amplifierless PAM-4/PAM-8 transmissions in O-band using a directly modulated laser for optical data-center interconnects

被引:13
作者
Diamantopoulos, Nikolaos-Panteleimon [1 ]
Kobayashi, Wataru [1 ]
Nishi, Hidetaka [1 ]
Takeda, Koji [1 ]
Kakitsuka, Takaaki [1 ]
Matsuo, Shinji [1 ]
机构
[1] NTT Corp, NTT Device Technol Labs, 3-1 Morinosato Wakamiya, Atsugi, Kanagawa 2430198, Japan
关键词
Data centers - Directly modulated lasers - Distributed feedback - Extended reaches - Optical amplifications - Pulse-amplitude modulated - Standard single mode fibers - State of the art;
D O I
10.1364/OL.44.000009
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Toward the realization of low-cost, long-, and extended-reach 400GbE data-center applications, the performance of pulse amplitude modulated (PAM) signals is studied using a state-of-the-art, high-performance 1.3-mu m distributed feedback directly modulated laser, without any optical amplification or complex digital processing. Amplifierless PAM-4 transmissions of up to 64-Gb/s are achieved over 40 km of standard single-mode fiber (SSMF) for standard KP4-FEC, while 84-Gb/s PAM-8 signals are evaluated over 10 km SSMF. (C) 2018 Optical Society of America
引用
收藏
页码:9 / 12
页数:4
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