111-Gb/s Transmission Over 1040-km Field-Deployed Fiber With 10G/40G Neighbors

Alfiad, M. S.; Kuschnerov, Maxim; Wuth, T.; Xia, Tiejun J.; Wellbrock, Glenn A.; Schmidt, E.-D.; Borne, D. van den; Spinnler, Bernhard; Weiske, C.-J.; Man, E. De; Napoli, Antonio; Finkenzeller, Michael; Spaelter, Stefan; Rehman, M.; Behel, J.; Chbat, M.W.; Stachowiak, J.; Peterson, Daniel L.; Lee, W.; Pollock, M.; Basch, B.; Chen, D.; Freiberger, Michael; Lankl, Berthold; Waardt, H. de

doi:10.1109/lpt.2009.2015431

Cited by 36 publications

(19 citation statements)

References 5 publications

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“…2b enables improved performance of the add-drop channels; however the degradation of the through channel is increasingly severe. This behaviour can be attributed to the increased amplitude modulation imposed by un-dispersed signals added at each ROADM site [4].…”

Section: Resultsmentioning

confidence: 99%

“…In this letter we extend the work of [4,5] modulated (PM-mQAM) channels on existing PM-4QAM traffic in a 28 Gbaud WDM optical network with a maximum transparent optical path of 9,600 km and for a varying number of reconfigurable add drop multiplexer (ROADM) configurations. We first optimize the transmission distance suitable to enable a suitable forward error correction (FEC) performance margin (at bit-error rate of 3.8x10 -3 ) for the network traffic given various modulation schemes at a fixed launch power of -1 dBm.…”

Section: Index Terms-kerr Nonlinearity Network Design Optical Netwomentioning

confidence: 99%

“…One such challenge is associated with the nonlinear transmission impairments which strongly connect the achievable channel reach to a given modulation format and symbol-rate [1,3]. In particular, it has been reported recently that the upgrade of a wavelength channel to a high spectral efficiency format is constrained by nonlinear cross-talk from the existing on-off keyed traffic [4,5]. Subsequent evolution will require the introduction of high bit-rate traffic (e.g.…”

Section: Index Terms-kerr Nonlinearity Network Design Optical Netwomentioning

confidence: 99%

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Nonlinear Penalties in Dynamic Optical Networks Employing Autonomous Transponders

Rafique

Ellis

2011

IEEE Photon. Technol. Lett.

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Section: Resultsmentioning

confidence: 99%

Section: Index Terms-kerr Nonlinearity Network Design Optical Netwomentioning

confidence: 99%

Section: Index Terms-kerr Nonlinearity Network Design Optical Netwomentioning

confidence: 99%

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Nonlinear Penalties in Dynamic Optical Networks Employing Autonomous Transponders

Rafique

Ellis

2011

IEEE Photon. Technol. Lett.

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“…One such challenge is associated with the nonlinear transmission impairments [10][11][12][13]. In particular, it has been reported recently that the upgrade of a wavelength channel to a high spectral efficiency format is constrained by nonlinear cross-talk from the other network traffic [14][15][16], especially if the reach is such that intra-channel nonlinearities degrading the higher bit-rate traffic (e.g. 400 Gb/s) require mitigation by the use of digital back-propagation (DBP) [17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Nonlinear and ROADM induced penalties in 28 Gbaud dynamic optical mesh networks employing electronic signal processing

Rafique¹,

Ellis²

2011

Opt. Express

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Abstract:We report the impact of cascaded reconfigurable optical add-drop multiplexer induced penalties on coherently-detected 28 Gbaud polarization multiplexed m-ary quadrature amplitude modulation (PM m-ary QAM) WDM channels. We investigate the interplay between different higher-order modulation channels and the effect of filter shapes and bandwidth of (de)multiplexers on the transmission performance, in a segment of panEuropean optical network with a maximum optical path of 4,560 km (80km x 57 spans). We verify that if the link capacities are assigned assuming that digital back propagation is available, 25% of the network connections fail using electronic dispersion compensation alone. However, majority of such links can indeed be restored by employing single-channel digital backpropagation employing less than 15 steps for the whole link, facilitating practical application of DBP. We report that higher-order channels are most sensitive to nonlinear fiber impairments and filtering effects, however these formats are less prone to ROADM induced penalties due to the reduced maximum number of hops. Furthermore, it has been demonstrated that a minimum filter Gaussian order of 3 and bandwidth of 35 GHz enable negligible excess penalty for any modulation order. 2054-2061 (2010). 10. A. Nag, M. Tornatore, and B. Mukherjee, "Optical network design with mixed line rates and multiple modulation formats," J. Lightwave Technol. 28(4), 466-475 (2010). 11. C. Meusburger, D. A. Schupke, and A. Lord, "Optimizing the migration of channels with higher bitrates," J. ©2011 Optical Society of America

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“…PolMux return-to-zero (RZ)-quadrature phase-shift keying (QPSK) is the modulation format that is currently widely considered as the best choice for achieving a data rate of 100 Gb/s due to its robustness and its relatively simple transmitter and receiver architecture [4]. PolMux-16 quadrature amplitude modulation (QAM) was proposed as an alternative modulation format with higher SE for 100 Gb/s [2], but its lower robustness to nonlinear transmission impairments and the need for a more complicated transmitter [2], [5] OFDM, on the other hand, can achieve very high SE [3] with a robust performance, but that comes with the price of having a complicated transmitter that requires having digital-to-analog converters with high vertical resolution.…”

mentioning

confidence: 99%

111-Gb/s PolMux-Quadrature Duobinary for Robust and Bandwidth Efficient Transmission

Machi

Alfiad

Kuschnerov

et al. 2010

IEEE Photon. Technol. Lett.

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111-Gb/s Transmission Over 1040-km Field-Deployed Fiber With 10G/40G Neighbors

Cited by 36 publications

References 5 publications

Nonlinear Penalties in Dynamic Optical Networks Employing Autonomous Transponders

Nonlinear Penalties in Dynamic Optical Networks Employing Autonomous Transponders

Nonlinear and ROADM induced penalties in 28 Gbaud dynamic optical mesh networks employing electronic signal processing

111-Gb/s PolMux-Quadrature Duobinary for Robust and Bandwidth Efficient Transmission

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