OpenFlow-Controlled Elastic Optical Networks with Direct-Detection Optical OFDM (DDO-OFDM) Transmission

2013 ◽  
Author(s):  
Lei Liu ◽  
R. Martnez ◽  
I. Morita ◽  
S.J. Ben Yoo ◽  
T. Tsuritani ◽  
...  
Keyword(s):  
Optical Networks ◽  
Direct Detection ◽  
Optical Ofdm

scholarly journals Optical Back-Propagation for Nonlinear Compensation in OFDM-Based Long Range-Passive Optical Networks

2020 ◽  
Vol 36 (1) ◽  
Author(s):  
Ngo Thi Thu Trang ◽  
Nguyen Duc Nhan ◽  
Bui Trung Hieu
Keyword(s):  
Optical Networks ◽  
Long Range ◽  
Direct Detection ◽  
Back Propagation ◽  
Fourier Method ◽  
High Rate ◽  
Passive Optical Networks ◽  
Ofdm System ◽  
Nonlinear Compensation ◽  
Optical Ofdm

In direct-detection optical OFDM system, the nonlinear impairment is the key factor that limits the system performance. The back-propagation techniques in digital and optical domains have been proposed to compensate the nonlinear effects, however they can be unsuitable for long-range passive optical networks (LR-PONs) due to their implementation at receiver. In this study, we propose an optical back propagation (OBP) approach for compensation of the nonlinear and dispersion distortions in direct-detection optical OFDM system. The proposed OBP using split-step Fourier method is implemented at transmitter that is suitable for high-rate OFDM-based LR-PONs applications. In this OBP, the fiber Bragg grating (FBG) is used as a step for dispersion compensation and the high-nonlinear fiber (HNLF) with a short length is used as a step for nonlinear compensation. The performance improvement based on our proposed approach has been demonstrated via Monte-Carlo simulations of the 100 Gbit/s direct-detection optical OFDM system with 80 km of standard single mode fiber link. The influence of optical conjugation process and launching conditions has been investigated. The obtained results show that the proposed OBP can improve remarkably the performance of system with the launched power range from -2 dBm to 6 dBm.

432 Gb/s Direct-Detection Optical OFDM Superchannel Transmission Over 3,040 km SSMF

2013 ◽  
Author(s):  
Xiao Xiao ◽  
Tao Gui ◽  
Shanhong You ◽  
Qi Yang ◽  
Rong Hu ◽  
...  
Keyword(s):  
Direct Detection ◽  
Optical Ofdm

Direct-Detection Optical OFDM Transmission System With Pre-Emphasis Technique

2011 ◽  
Vol 29 (14) ◽  
pp. 2138-2145 ◽  
Author(s):  
Yang Gao ◽  
Jianjun Yu ◽  
Jiangnan Xiao ◽  
Zizheng Cao ◽  
Fan Li ◽  
...  
Keyword(s):  
Direct Detection ◽  
Transmission System ◽  
Optical Ofdm

A Pilot-Correlated PMD Monitoring Scheme for Direct Detection Optical OFDM System

2015 ◽  
Vol 33 (13) ◽  
pp. 2884-2891 ◽  
Author(s):  
Tianwai Bo ◽  
Shuang Gao ◽  
Kam-Hon Tse ◽  
Chun-Kit Chan
Keyword(s):  
Direct Detection ◽  
Ofdm System ◽  
Monitoring Scheme ◽  
Optical Ofdm
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