Scalable nonlinear equalization in high-bit-rate optical transmission systems

Rameez Asif; Humayun Shahid; Farzana Arshad; and Rashid Saleem

doi:10.1364/PRJ.1.000130

Journals >Photonics Research >Volume 1 >Issue 3 >Page 130 > Article

Photonics Research
Vol. 1, Issue 3, 130 (2013)

Scalable nonlinear equalization in high-bit-rate optical transmission systems

Rameez Asif^*, Humayun Shahid, Farzana Arshad, and and Rashid Saleem

Author Affiliations

Telecommunication Engineering Department (TED), University of Engineering and Technology (UET), Taxila 47050, Pakistan

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DOI: 10.1364/PRJ.1.000130 Cite this Article Set citation alerts

Rameez Asif, Humayun Shahid, Farzana Arshad, and Rashid Saleem. Scalable nonlinear equalization in high-bit-rate optical transmission systems[J]. Photonics Research, 2013, 1(3): 130 Copy Citation Text

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Fig. 1. Principle of OPC.

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(i) Numerical model of 112 Gbit/s DP-64-QAM coherent transmission [PBS: polarization beam splitter, PBC: polarization beam combiner]; (ii) OPC-NM module; (iii) SPM-based all-optical IL; (iv) OBP module; (v) graphical representation of optical power along FL, MLSI, and PD-SI.

Fig. 2. (i) Numerical model of 112 Gbit/s DP-64-QAM coherent transmission [PBS: polarization beam splitter, PBC: polarization beam combiner]; (ii) OPC-NM module; (iii) SPM-based all-optical IL; (iv) OBP module; (v) graphical representation of optical power along FL, MLSI, and PD-SI.

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Fig. 3. Q factor (dB) as a function of signal input launch power in 112 Gbit/s DP-64-QAM coherent transmission over 800 km SMF for diverse fiber transmission impairment compensation methods.

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Fig. 4. Constellation plots after EDC, OBP, OPC-NM, and DBP for 112 Gbit/s DP-64-QAM at 0 dBm signal launch power.

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Fig. 5. System performance at various transmission distances for 112 Gbit/s DP-64-QAM at −4 dBm signal launch power.

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Rameez Asif, Humayun Shahid, Farzana Arshad, and Rashid Saleem. Scalable nonlinear equalization in high-bit-rate optical transmission systems[J]. Photonics Research, 2013, 1(3): 130

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