Fiber-optic communication systems are nowadays facing serious challenges due to the fast
growing demand on capacity from various new applications and services. It is now well …

Optical communication systems represent the backbone of modern communication
networks. Since their deployment, different fiber technologies have been used to deal with …

Different aspects of probabilistic sha** for a multispan optical communication system are
studied. First, a numerical analysis of the additive white Gaussian noise (AWGN) channel …

In this paper, achievable information rates (AIR) for fiber optical communications are
discussed. It is shown that AIRs such as the mutual information and generalized mutual …

Probabilistic sha** based on constant composition distribution matching (CCDM) has
received considerable attention as a way to increase the capacity of fiber optical …

This tutorial reviews the Holevo capacity limit as a universal tool to analyze the ultimate
transmission rates in a variety of optical communication scenarios, ranging from …

Telecommunication networks are becoming the central linking institution of the Fourth
Industrial Revolution. To cope with the associated capacity and connectivity challenges …

This paper studies the impact of probabilistic sha** on effective signal-to-noise ratios
(SNRs) and achievable information rates (AIRs) in a back-to-back configuration and in …

This work reports the development of an ultra-high capacity Nyquist-wavelength division
multiplexing (WDM) superchannel based free space optics (FSO) transmission link. In the …

Maximized information rates of ultra-wideband (typically, beyond 100~ nm modulated
bandwidth) lumped-amplified fiber-optic communication systems have been thoroughly …