Performance analysis of phase modulated RoF based two and three tone transmission against intermodulation distortion over a dispersive link

Kumar, Parvin; Sharma, Sanjay; Singla, Suhas

doi:10.1007/s11082-016-0566-2

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2017

2023

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Cited by 6 publications

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“…The phase modulated signal gets converted into intensity modulated signal due to dispersive nature of fiber. The phase modulated signal is written as [5][9] [10].…”

mentioning

confidence: 99%

Evaluation of Sub Carrier Multiplexing Based RoF System against Non-Linear Distortions Using Different Modulation Techniques

Kumar¹,

Sharma²,

Nain³

2017

IJARCSSE

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Abstract-The output performance of Sub Carrier Multiplexing (SCM) based Radio over Fiber (RoF) system has been evaluated for different modulation techniques ie. Direct and External modulation based on Mach Zehender Modulator (MZM) and Optical Phase Modulator (OPM). Simulation has been carried out using different amplification techniques to understand and compare the performance of the system under the influence of inter modulation distortions and harmonic distortions. It is observed that the signal subcarrier spacing affects the system output closely. It is also seen that 2 nd & 3 rd orders inter modulation distortion terms are almost suppressed by the use of OPM. OPM along with EDFA improves the system performance considerably.

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“…The phase modulated signal gets converted into intensity modulated signal due to dispersive nature of fiber. The phase modulated signal is written as [5][9] [10].…”

mentioning

confidence: 99%