Research on Application of Tunable Dispersion Compensation Technology in Optical Fiber Communication Systems

2013 ◽  
Vol 401-403 ◽  
pp. 1956-1959
Author(s):  
Wen Xuan Gai
Keyword(s):  
Communication Systems ◽  
Dispersion Compensation ◽  
Optical Fiber Communication ◽  
Fiber Grating ◽  
Basic Principles ◽  
Fiber Communication ◽  
Future Direction ◽  
Chirped Fiber Grating ◽  
Research On Application ◽  
Communications System

For high bit-rate optical communications system, the changes in temperature or power fluctuations are due to the dispersion of the dispersion tolerance than the system. Therefore, the dispersion compensation unit must have the functionality to adapt to the dynamic generation of tunable optical communication network development. This article describes several dynamic tunable compensation techniques and the basic principles of the performance characteristics of the situation at home and abroad, including the chirped fiber grating method, the virtual image phased array method, GT interferometer method, the array method and the planar waveguide grating method, and a brief discussion of tunable dispersion compensation technology in the future direction of development.

Dispersion Compensation in Optical Fiber using Fiber Grating

2020 ◽  
Vol 07 (01) ◽  
pp. 16-22
Author(s):  
Bajarang Prasad Mishra ◽  
Keyword(s):  
Optical Fiber ◽  
Dispersion Compensation ◽  
Optical Fiber Communication ◽  
Fiber Grating ◽  
Security Risk ◽  
Fiber Communication ◽  
Eye Diagram ◽  
Optical Signals ◽  
Optical Transmitter ◽  
High Bandwidth

Optical Fiber Communication System is highly in demand because of several advantages namely Extremely High Bandwidth, Longer Distance, Low security Risk, Small Size etc. This system basically consists of Optical Transmitter, appropriate channel and Optical Receiver. Optical Fiber is generally used for the propagation of optical signals and in this fiber, Dispersion arises which acts as the main hindrance in Optical Fiber Communication. Dispersion is nothing but the time broadening of pulses because of the inherit property of the Silica Fiber that refractive index of the material depends upon the wavelength used. In this paper, Compensation of Dispersion is done using the FBG(Fiber Bragg Grating. FBG is a type of filter which passes few wavelengths and reflects rest of them. Stimulation is done on software named OPTISYSTEM 15. Simulation results are analyzed through Eye Diagram which gave us the values of MIN.BER and Q-Factor.

Analysis three dispersion compensation techniques using DCF

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Saliha Kheris ◽  
Badra Bouabdallah
Keyword(s):  
Optical Fiber ◽  
Communication Systems ◽  
Dispersion Compensation ◽  
Optical Fiber Communication ◽  
Laser Frequency ◽  
Fiber Communication ◽  
Low Bit Rate ◽  
Transmission Distance ◽  
Pulse Broadening ◽  
Better Than

Abstract Dispersion is one of the very important parameters that effect on the performance of optical fiber communication systems. It causes pulse broadening, limiting of transmission distance and low bit rate. Dispersion compensation fiber (DCF) is widespread used in the dispersion compensation scheme. In this paper, the suggested DCF included (pre–post-symmetrical) schemes with various bit rates (10–60 Gbit/s), and the positive dispersion accumulated over the length of the fiber at 100 km of optical fiber with 21.25 km of DCF. Optisystem software version 7 is used to design simulation model. The performances have been compared on the basis of parameters such as Q factor, bit error rate (BER) and eye height which used to evaluate the performance analysis of the system. We concluded that the symmetrical compensation techniques are better than the other compensation schemes when the Q factor is 14.9536 and BER is 1.759842.10−0.22, these at 60 Gbit/s and the input cw laser frequency equal 193.1 THz.

Novel Manchester-Based Multilevel Signaling for High-Speed Optical Communication Systems

2019 ◽  
Vol 0 (0) ◽  
Author(s):  
Festus Idowu Oluwajobi ◽  
Nguyen Dong-Nhat ◽  
Amin Malekmohammadi
Keyword(s):  
Communication Systems ◽  
High Speed ◽  
Chromatic Dispersion ◽  
Optical Fiber Communication ◽  
Pulse Amplitude ◽  
Calculation Model ◽  
Fiber Communication ◽  
Receiver Sensitivity ◽  
Communication Links ◽  
Dispersion Tolerance

AbstractIn this paper, the performance of a novel multilevel signaling based on Manchester code namely four-level Manchester Coding (4-MC) technique is investigated for next generation high-speed optical fiber communication links. The performance of 4-MC is studied and compared with conventional Manchester modulation and four-level pulse amplitude modulation (4-PAM) formats in terms of receiver sensitivity, spectral efficiency and dispersion tolerance at the bit rate of 40 Gb/s. The bit error rate (BER) calculation model for the proposed multilevel scheme has also been developed. The calculated receiver sensitivity and the chromatic dispersion tolerance at the BER of 10–9 of the proposed scheme are −22 dBm and 67.5 ps/nm, respectively. It is observed that, 4-MC scheme is superior in comparison to 4-PAM by 3.5 dB in terms of receiver sensitivity in back-to-back scenario. Therefore, the proposed scheme can be considered as an alternative to current 4-PAM system.

Long-haul coherent optical fiber communication systems using optical amplifiers

1991 ◽  
Vol 9 (2) ◽  
pp. 251-260 ◽  
Author(s):  
S. Ryu ◽  
S. Yamamoto ◽  
H. Taga ◽  
N. Edagawa ◽  
Y. Yoshida ◽  
...  
Keyword(s):  
Optical Fiber ◽  
Communication Systems ◽  
Optical Amplifiers ◽  
Optical Fiber Communication ◽  
Fiber Communication

scholarly journals ANALISIS KOMPENSASI DISPERSI MENGGUNAKAN PENGUAT RAMAN PADA JARINGAN WDM (WAVELENGTH DIVISION MULTIPLEXING) DALAM KOMUNIKASI SERAT OPTIK

2018 ◽  
Vol 15 (2) ◽  
pp. 88
Author(s):  
Roby Ikhsan ◽  
Romi Fadli Syahputra ◽  
Saktioto Saktioto
Keyword(s):  
Optical Fiber ◽  
Wavelength Division Multiplexing ◽  
Data Transmission ◽  
Dispersion Compensation ◽  
Optical Fiber Communication ◽  
Fiber Communication ◽  
Wavelength Division ◽  
Fiber Raman Amplifier ◽  
Wdm Network ◽  
Transmission Speed

The discovery of optical fiber cause widespread revolution of communication system. Optical fiber communication has excellency on data transmission speed, security, flexibility, and broadly bandwidth. The applying of WDM network can broaden the bandwidth so that the transmission performance becomes more splendid. Although some factors such as dispersion, attenuation, and scattering can hinder the performance of fiber optic on sending data. Moreover dispersion can wreck data and spread pulse as it travels alongs fiber so that causing interference. There is some methods  of dispersion compensation. In this paper, Fiber Raman Amplifier is used on WDM network to strengthen signal which is sent to detector. This research utilize simulation approachment  with various bandwidth and length fiber. The results show lowest BER value and highest Q-factor at bandwidth frequency of 30 GHz and fiber length of 20 km.

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