429 citations · 2.1k across the 56 of their papers we have counts for
6 papers · 1 filter
Nonlinear Frequency-Division Multiplexing in the Focusing Regime
Xianhe Yangzhang, Mansoor I. Yousefi, Alex Alvarado +2
Achievable rates of the nonlinear frequency-division multiplexing (NFDM) and wavelength-division multiplexing (WDM) subject to the same power and bandwidth constraints are computed…
Analytical Investigations on Carrier Phase Recovery in Dispersion-Unmanaged n-PSK Coherent Optical Communication Systems
Tianhua Xu, Gunnar Jacobsen, Sergei Popov +4
Using coherent optical detection and digital signal processing, laser phase noise and equalization enhanced phase noise can be effectively mitigated using the feed-forward and feed…
Capacity Lower Bounds of the Noncentral Chi-Channel with Applications to Soliton Amplitude Modulation
Nikita A. Shevchenko, Stanislav A. Derevyanko, Jaroslaw E. Prilepsky +3
The channel law for amplitude-modulated solitons transmitted through a nonlinear optical fibre with ideal distributed amplification and a receiver based on the nonlinear Fourier tr…
Analytical Estimation in Differential Optical Transmission Systems Influenced by Equalization Enhanced Phase Noise
Tianhua Xu, Gunnar Jacobsen, Sergei Popov +3
An analytical model is presented for assessing the performance of the bit-error-rate (BER) in the differential m-level phase shift keying (m-PSK) transmission systems, where the in…
Information Rates of Next-Generation Long-Haul Optical Fiber Systems Using Coded Modulation
Gabriele Liga, Alex Alvarado, Erik Agrell +1
A comprehensive study of the coded performance of long-haul spectrally-efficient WDM optical fiber transmission systems with different coded modulation decoding structures is prese…
Carrier Phase Estimation in Dispersion-Unmanaged Optical Transmission Systems
Tianhua Xu, Polina Bayvel, Tiegen Liu +4
The study on carrier phase estimation (CPE) approaches, involving a one-tap normalized least-mean-square (NLMS) algorithm, a block-wise average algorithm, and a Viterbi-Viterbi alg…