Performance limits in optical communications due to fiber nonlinearity

AD Ellis, ME McCarthy, MAZ Al Khateeb… - Advances in Optics …, 2017 - opg.optica.org
In this paper, we review the historical evolution of predictions of the performance of optical
communication systems. We will describe how such predictions were made from the outset …

Equalization enhanced phase noise in Nyquist-spaced superchannel transmission systems using multi-channel digital back-propagation

T Xu, G Liga, D Lavery, BC Thomsen, SJ Savory… - Scientific Reports, 2015 - nature.com
Superchannel transmission spaced at the symbol rate, known as Nyquist spacing, has been
demonstrated for effectively maximizing the optical communication channel capacity and …

Scaling SDM optical networks using full-spectrum spatial switching

AC Jatoba-Neto, DAA Mello… - Journal of optical …, 2018 - opg.optica.org
In today's optical networks, the capacity supported by a single optical fiber is far higher than
the demand between source–destination pairs. Thus, to take advantage of the installed …

Digital nonlinearity compensation in high-capacity optical communication systems considering signal spectral broadening effect

T Xu, B Karanov, NA Shevchenko, D Lavery, G Liga… - Scientific reports, 2017 - nature.com
Nyquist-spaced transmission and digital signal processing have proved effective in
maximising the spectral efficiency and reach of optical communication systems. In these …

Digital chromatic dispersion pre-management for SSB modulation direct-detection optical transmission systems

X Zhang, C Zhang, C Chen, W Jin, X Zhong… - Optics Communications, 2018 - Elsevier
Abstract Recently, single-side-band (SSB) modulation direct detection (DD) based optical
transmission systems have attracted great interest due to their capability of electronic …

Transmitter-side digital back propagation with optical injection-locked frequency referenced carriers

E Temprana, E Myslivets, BPP Kuo… - Journal of Lightwave …, 2016 - ieeexplore.ieee.org
A 100% reach extension is demonstrated in a coherent four-channel wavelength division
multiplexed system by employing full-bandwidth frequency-referenced transmitter-side …

Experimental investigation on the nonlinear tolerance of root M-shaped pulse in spectrally efficient coherent transmissions

X Xu, Q Zhuge, B Châtelain, M Chagnon… - Optics express, 2015 - opg.optica.org
We experimentally demonstrate improved intra-channel nonlinearity tolerance of the root M-
shaped pulse (RMP) with respect to the root raised cosine (RRC) pulse in spectrally efficient …

Experimental study of the limits of digital nonlinearity compensation in DWDM systems

T Ashida, S Yoshima, S Ihara, D Mita… - 2015 Optical Fiber …, 2015 - ieeexplore.ieee.org
We experimentally investigate idealized digital nonlinearity compensation in a 9-channel
DWDM system. AQ 2-factor gain of 2-dB for single-channel transmission is reduced to 0.1 …

Analytical expressions for the nonlinear interference in dispersion managed transmission coherent optical systems

Y Qiao, M Li, Q Yang, Y Xu, Y Ji - Optics Communications, 2015 - Elsevier
Closed-form expressions of nonlinear interference of dense wavelength-division-
multiplexed (WDM) systems with dispersion managed transmission (DMT) are derived. We …

How to increase the achievable information rate by per-channel dispersion compensation

K Keykhosravi, M Secondini, G Durisi… - Journal of Lightwave …, 2019 - ieeexplore.ieee.org
Deploying periodic inline chromatic dispersion compensation enables reducing the
complexity of the digital back propagation (DBP) algorithm. However, compared with …