Differential Quadrature Phase Shift Keying (DQPSK) is considered as an acceptable modulation technique for long-haul
high speed communication owing to its ability to diminish the Polarization Mode Dispersion (PMD), non-linear effects
and has constant envelope over the communication. The assessment includes Carrier Suppressed Return to Zero (CSRZ)
modulation format. The combination of CSRZ and DQPSK techniques would result in a high bit rate with better Bit
Error Rate (BER) in Wavelength Division Multiplexing – Passive Optical Network (WDM-PON) setup. The Radio
Frequency (RF) signal is obtained finally for wireless service which can be assessed. . The optical communication
system is expanded by comprising Polarization Multiplexing (PM) which improves the user scope and the spectral
efficiency. The goal is to experimentally analyze the performances of CSRZ-DQPSK modulated non-coherent receiver
for wire and RoF (Radio over Fiber) system for wireless service. Also, equal amount of power is provided for both the
services. The PMD is reduced both the services. The Proposed system can provide flexible, cost-effective and high
bandwidth utilization with reduced BER.
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