Digital coherent transceivers have revolutionized optical fiber communications due to their
superior performance offered compared to intensity modulation and direct detection based …

Current optical fibre transmission systems rely on modulation, coding and multiplexing
techniques that were originally developed for linear communication channels. However …

Increasing the system capacity and spectral efficiency (SE) per unit bandwidth is one of the
ultimate goals for data network designers, especially when using technologies compatible …

The use of spectrally shaped amplified spontaneous emission noise (SS-ASE) as a method
for emulating interfering channels in optical fibre transmission systems has been studied. It …

This paper investigates the impact of transceiver noise on the performance of digital back-
propagation (DBP). A generalized expression to estimate the signal-to-noise ratio (SNR) …

The relationship between modulation format and the performance of multi-channel digital
back-propagation (MC-DBP) in ideal Nyquist-spaced optical communication systems is …

As the bandwidths of optical communication systems are increased to maximize channel
capacity, the impact of stimulated Raman scattering (SRS) on the achievable information …

Nonlinear frequency division multiplexing (NFDM) with the modulation of the nonlinear
Fourier spectrum (both discrete and/or continuous parts) have been recently considered as …

Digital backpropagation (DBP) is a promising digital-domain technique to mitigate Kerr-
induced nonlinear interference. While it successfully removes deterministic signal–signal …

Nyquist-spaced transmission and digital signal processing have proved effective in
maximising the spectral efficiency and reach of optical communication systems. In these …