Optical Orthogonal frequency division multiplexing (OOFDM) is shown to outperform RZ-OOK transmission in high-speed optical communications systems in terms of transmission distance and spectral efficiency. The OOFDM in combination with the subcarrier multiplexing offers a significant improvement in spectral efficiency of at least 2.9 bits/s/Hz. (c) 2006 Optical Society of America.
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Electronics & Communication Engineering Department (SIG), School of Electrical Engineering & Computing, Adama Science and Technology University, AdamaElectronics & Communication Engineering Department (SIG), School of Electrical Engineering & Computing, Adama Science and Technology University, Adama
Galmecha D.J.
Hora B.T.
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Electronics & Communication Engineering Department (SIG), School of Electrical Engineering & Computing, Adama Science and Technology University, AdamaElectronics & Communication Engineering Department (SIG), School of Electrical Engineering & Computing, Adama Science and Technology University, Adama
Hora B.T.
Singh R.S.
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Electronics & Communication Engineering Department (SIG), School of Electrical Engineering & Computing, Adama Science and Technology University, AdamaElectronics & Communication Engineering Department (SIG), School of Electrical Engineering & Computing, Adama Science and Technology University, Adama
Engineering Research Center of Communication Devices and Technology, Ministry of Education, School of Computer and Communication Engineering, Tianjin University of Technology, Tianjin 300384, China
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Engineering Research Center of Communication Devices and Technology, Ministry of Education, School of Computer and Communication Engineering, Tianjin University of Technology, Tianjin 300384, China