Owing to advances in fabrication technology and device design, semiconductor optical
amplifiers (SOAs) are evolving as a promising candidate for future optical coherent …

In this paper, we review different designs of distributed Raman amplifiers which have been
proposed to minimize the signal power profile asymmetry in mid-link optical phase …

Achievable information rates of optical communication systems are inherently limited by
nonlinear distortions due to the Kerr effect occurred in optical fibres. These nonlinear …

We experimentally demonstrate the simultaneous compensation of both dispersion and
nonlinear effects in a 100 km optical fiber link using optical phase conjugation of a 21 GB …

We experimentally demonstrate enhanced efficiency of nonlinearity compensation, by 13dB,
when deploying mid-link optical phase conjugation in discretely-amplified systems. Our …

In this paper, we investigate various designs of distributed Raman amplifier (DRA) to extend
amplification bandwidth in mid-link optical phase conjugation (OPC) systems and compare …

We present a novel configuration for broadband, wavelength-shift-free optical phase
conjugation (OPC) utilizing four-wave mixing in a nonlinear fiber optical loop mirror (NOLM) …

We propose a kernel-based adaptive filtering method to suppress the phase noise (PN)
arising from small deviations from ideal counter-phasing in the dual-pump fibre-based …

This paper presents the quantitative measurement through an experimental test of 640 Gbps
16-QAM coherent-optical orthogonal frequency-division multiplexing (CO-OFDM) over 800 …

We deploy kernel-based time-series prediction to suppress the phase noise induced by
small deviations from ideal pump counter-phasing in a dual-pump optical phase conjugation …