scholarly journals Radio Over Fiber System for A Four-Store Hospital Building

2022 ◽  
Vol 10 (12) ◽  
pp. 401-408
Author(s):  
Taiwo Samuel Aina
Keyword(s):  
Optical Amplifier ◽  
Total Power ◽  
Network Access ◽  
Fiber System ◽  
Eye Diagram ◽  
Optical Transmitter ◽  
Received Power ◽  
Radio Over Fibre ◽  
Voice Data ◽  
Radio Over Fiber System

Abstract: The goal of this project is to design and analyse a radio over fibre system for a four-story hospital with 20 rooms on each floor. The number of ONUs per floor is 20, and it was assumed that each room had an ONU capable of providing network access to voice, data, video, and biometrics. We build an 80-channel WDM optical transmitter using the WDM method. The proposed system includes a transmitter with 20 input channels, a multiplexer, a DE multiplexer, a 45-kilometer optical fibre, and an amplifier. The proposed model was simulated, and the results were evaluated in WDM systems using an optical amplifier. The receiver performance analysis of the Optical Communication System is shown by the BER simulation run and the eye diagram graphic, with the threshold set at 0.00120739. Furthermore, the eye height is 0.00141402, and the minimum BER is 5.59009e-006. When the simulated and calculated values of received power and total power loss are compared, the system is efficient. Keywords: Radio over fibre, Optical Amplifier, WDM system, DE multiplexer, Multiplexer, BER, Optical transmitter

40 Gbps Laguerre-Gaussian and Hermite-Gaussian Optical Mode Division Multiplexing for Radio over Fiber System

2018 ◽  
Vol 0 (0) ◽  
Author(s):  
Hussein Ahmed Mahmood
Keyword(s):  
High Capacity ◽  
Radio Over Fiber ◽  
Laser Source ◽  
Q Factor ◽  
Fiber System ◽  
Eye Diagram ◽  
Optical Propagation ◽  
Mode Division Multiplexing ◽  
Fiber Technology ◽  
Radio Over Fiber System

AbstractRadio over Fiber technology is utilizing the high capacity of optical fiber system and wireless mobility network. In this work, we proposed two different optical propagation modes namely Laguerre-Gaussian (LG) and Hermite-Gaussian (HG) setting to (0.1), (0.2) mode types generated by a special CW laser source at varying wavelength from 800 nm to 1150 nm with 50 nm spacing channel Mode division Multiplexing (MDM) technique. These wavelengths transmitted×5Gb/s data modulated on PSK modulator having 100 GHz radio frequency subcarrier over 5 km Parabolic-Index Multimode Fiber link. Q factor value and eye diagram used to evaluate system performance which showed the maximum Q factor value found at 800 nm channel 1 equal to 12.0113 for both LG 0 1 and HG 0.1. While the maximum Q factor appears at 800 nm channel 1 equal to 8.49756 for LG 0,2 and 3.56785 at 1000 nm channel 5 for HG 0.2.

scholarly journals Comparative study of all-optical INVERTER and BUFFER gates using MZI structure

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Pallavi Singh ◽  
Ashutosh Kumar Singh ◽  
Vanya Arun ◽  
Devendra K Tripathi
Keyword(s):  
Extinction Ratio ◽  
Low Complexity ◽  
Optical Amplifier ◽  
Destructive Interference ◽  
Eye Diagram ◽  
Pump And Probe ◽  
All Optical ◽  
High Scalability ◽  
Comparative Results ◽  
Optical Gates

AbstractIn the paper, one input optical gates i.e., INVERTER and BUFFER have been designed using some basic assumption to analyze with the help of Semi-conductor Optical Amplifier based Mach–Zehnder Interferometer structure. The results are optimized by iterative process. The proposed design of optical gates presents low complexity, high scalability and more feasible to evaluate through digital Boolean analyzation. The digital Boolean analyzation is analyzed by some basic Boolean rules and assumptions which makes the design more digital so that it can be compatible for more than one input optical gates also. Optical Gate is designed to get constructive and destructive interference for pump and probe as they are injected into SOA simultaneously. The phase modulation is converted into intensity modulation which gives a Boolean result. The paper is optimized by Eye diagram, Q factor, wavelength spectrum and frequency chirp for both the gates. The comparative results of extinction ratio for both the gates have also been discussed. The design is supported by theoretical analysis, simulation tool (Optsim) and Boolean explanation. The proposed designs are constructed with same pattern which supports the same Boolean analysis.

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