scholarly journals THE ANALYTICAL MODEL OF SRS IN SINGLE-MODE SILICA FIBER IN DENSITY WAVELENGTH DI VISION MULTIPLEXED OPTICAL COMMUNICATION SYSTEM

2000 ◽  
Vol 49 (7) ◽  
pp. 1287
Author(s):  
GONG JIA-MIN ◽  
LIU JUAN ◽  
FANG QIANG ◽  
WANG YONG-CHANG
2018 ◽  
Vol 11 (1) ◽  
Author(s):  
Sadeq Adnan Hbeeb

This research presents a technique of an electro optic effect for suggestion model and it optimizes implementation of an electro optics switch using Mat lab simulation program (10). this technique includes design a mathematical model for analysis the effect of tensile stress(y), axial (z)and radial (x)strain on the performance evaluation of an electro optic switch also, it analysis an effect the change of length L and width w of arm of switch. Finally, an active switch optimizes, using the analytical model and considers important device in the modern optical communication system.


Author(s):  
Muhammad Arif Bin Jalil

Abstract: Optical fiber is a medium that made by silica or plastic, and widely used in transmitting information over longer distance especially in communication system. There are three types of fiber optic used in this project which are single mode stepindex (SMSI), multimode step-index (MMSI), and multimode graded-index (MMGI) in optical communication system. There are three objectives in this project in order to get the suitable optical fibers in the communication system. First objective is to simulate the result by using Excel and Origin software. The data and the formula of fiber optics will be key in through Excel software while the graph will be analyzed by using Origin software. The second objective is to compare the different types of fiber optics in communication system by comparing the several of their characteristics such as numerical aperture (NA), acceptance angle (θ(a)) and propagation constant (β). The performance of all types fiber optics are analyzed from the result using the standard communication wavelength of 1550 nm. The core diameter for SMSI, MMSI, and MMGI are 9, 200 and 50 μm respectively while the cladding diameter for SMSI and MMGI is 125 μm and 240 μm for MMSI. This diameter also been analyzed by using the standard value for optical communication system. Then, the comparison between SMSI, MMSI and MMGI will be made to choose the more suitable for optical communication system based on their characteristics. From the results, MMSI and MMGI give best performance compared to SMSI. After that, the third objective is to make the comparison between MMSI and MMGI in term of intermodal dispersion to compare the efficiencies of fiber optics. MMGI give the better result in terms of efficiencies for communication system compared to MMSI. Keyword: Single Mode Step-Index (SMSI), Multimode Step-Index (MMSI), Multimode Graded-Index (MMGI), Communication System, Excel and Origin Software


1994 ◽  
Vol 11 (2-3) ◽  
pp. 119-127 ◽  
Author(s):  
D C Surana ◽  
M Mustafa ◽  
Ramniwas

Nanoscale ◽  
2016 ◽  
Vol 8 (4) ◽  
pp. 2227-2233 ◽  
Author(s):  
Shengtao Mei ◽  
Kun Huang ◽  
Hong Liu ◽  
Fei Qin ◽  
Muhammad Q. Mehmood ◽  
...  

The orbital angular momentum (OAM) of light can be taken as an independent and orthogonal degree of freedom for multiplexing in an optical communication system, potentially improving the system capacity to hundreds of Tbits per second.


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