Real-time 20.37 Gb/s optical OFDM receiver for PON IM/DD systems

被引：19
|
作者：
Bruno, Julian S. [1 ,2 ]
Almenar, Vicenc [2 ]
Valls, Javier [2 ]
Corral, Juan L. [3 ]
机构：
[1] Univ Tecnolog Nacl, Lab Procesamiento Digital DPLab, RA-1179 Buenos Aires, DF, Argentina
[2] Univ Politecn Valencia, Inst Telecomunicac Aplicac Multimedia ITEAM, E-46022 Valencia, Spain
[3] Univ Politecn Valencia, Valencia Nanophoton Technol Ctr, E-46022 Valencia, Spain
来源：
OPTICS EXPRESS | 2018年 / 26卷 / 15期
关键词：
DFT-SPREAD OFDM; SPECTRAL EFFICIENCY; SYMBOL SYNCHRONIZATION; TRANSMISSION; COMPENSATION; TRANSCEIVER; OFFSET;
D O I：
10.1364/OE.26.018817
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper presents the hardware architecture of an OFDM receiver suitable for optical communications. The receiver has been implemented in an FPGA device and used to demonstrate experimentally an optical OFDM transmission in a passive optical link with a directly modulated DFB laser and DAC/ADC at 5 GS/s. A bit rate of 20.37 Gb/s is achieved using an OFDM signal with subcarrier modulation format up to 512-QAM, it has been successfully transmitted over 10 km SSMF with a spectral efficiency of 8.38 bit/s/Hz. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：18817 / 18831
页数：15
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