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Comparison among different types of advanced modulation formats under four wave mixing effects
(Ukrainian Journal of Physics., 2013)
Advanced modulation formats play a significant role for enhancing the bit rate in an optical transmission system. Ultra-long haul transmission distances are intensively investigated to further increase the spectral efficiency ...
Improving performance in free space optical communication (FSOC) channel through the dual diffuser modulation (DDM) due to atmospheric turbulence
(Asian Research Publication Network, 2014-02)
This paper focus on reduction of atmospheric turbulence effect on free space optical communication using robust modulation that is dual diffuser modulation (DDM) technique. This technique uses two transmitter and differential ...
Enhance the performance of free space optical (FSO) communication due to atmospheric turbulence via the dual diffuser modulation (DDM)
(Trans Tech Publications, 2013-12)
This paper focus on mitigating the atmospheric turbulence effect in free space optical communication using dual diffuser modulation (DDM) technique. Phase screen diffuser located on transmitter create 'new' beam wave to ...
Comparison of single mode fiber and multimode fiber in deployment of SCM-OCDMA in local area network
(Trans Tech Publications, 2013-12)
The integration of heterogeneous technologies promotes ubiquity and mobility. Optical code division multiple access (OCDMA) may be deployed in conjunction to SCM to improve the spectral efficiency and enhance the data rate ...
Investigation the performance of unipolar SAC-OCDMA codes
(AENSI Publications, 2012-01)
In this paper, we investigate the performance of unipolar Spectral Amplitude Coding Optical Code Division multiple Access (SAC-OCDMA) codes. A performance comparison made between various unipolar SAC-OCDMA codes such as ...
New approach for evaluation of the performance of spectral amplitude coding-optical code division multiple access system on high-speed data rate
(The Institution of Engineering and Technology, 2012-08-14)
In this study, the authors proposed a new approach to evaluate the system performance of spectral amplitude codingoptical
code division multiple access (SAC-OCDMA) systems. The system performance is evaluated based on a ...
Increasing capacity and suppress the crosstalk by using hybrid optical OFDM/ WDM system
(Trans Tech Publications, 2014)
Hybrid optical OFDM/WDM system is proposed to provide longer reach and larger capacity comparing with existing PON systems in order to meet the ever increasing bandwidth demand and data rate of next generation optical ...
Study of the OCDMA transmission characteristics in FSO-FTTH at various distances, outdoor
(De Gruyter, 2013-06)
It is important to apply the field Programmable Gate Array (FPGA), and Optical Switch technology as an encoder and decoder for Spectral Amplitude Coding Optical Code Division Multiple Access (SAC-OCDMA) Free Space Optic ...
Recent four-wave mixing suppression methods
(Elsevier GmbH, 2013-08)
This paper reviews various techniques that have been proposed by many researchers to reduce the effect of four-wave mixing (FWM). A review was suggested to investigate the recent method of each technique and to compare ...
A new FWM reduction technique based on damping selective wavelengths
(Ukrainian Journal of Physics., 2013)
This paper proposes a new method that can suppress the four-wave mixing using an Optical Drop Multiplexing (ODM) technique. The four-wave mixing (FWM) behavior and the performance of wavelength division multiplexing (WDM) ...