Recent advances in coherent optical communications for short-reach: Phase retrieval methods
Short-reach transmission systems traditionally utilize intensity modulation (IM) at the
transmitter and direct detection (DD) at the receiver due to their cost-effectiveness, small …
transmitter and direct detection (DD) at the receiver due to their cost-effectiveness, small …
Reduced-state MLSE for an IM/DD system using PAM modulation
The performance of a high-speed intensity-modulation (IM)/direct-detection (DD)
transmission system could be limited by the bandwidth of optical transceivers. One popular …
transmission system could be limited by the bandwidth of optical transceivers. One popular …
Chirped managed laser for multilevel modulation formats: a semi-analytical approach for efficient filter design
The performance of a directly modulated laser (DML) in a direct detect system is greatly
impaired by its inherent frequency chirp and chromatic dispersion of the optical fiber, limiting …
impaired by its inherent frequency chirp and chromatic dispersion of the optical fiber, limiting …
Reducing computation complexity by using elastic net regularization based pruned Volterra equalization in a 80 Gbps PAM-4 signal for inter-data center interconnects
Volterra equalization (VE) presents substantial performance enhancement for high-speed
optical signals but suffers from high computation complexity which limits its physical …
optical signals but suffers from high computation complexity which limits its physical …
Recurrent Neural Networks and Recurrent Optical Spectrum Slicers as Equalizers in High Symbol Rate Optical Transmission Systems
The transition to the edge-cloud era makes ultra-high data rate signals indispensable for
covering the immense and increasing traffic demands created. This ecosystem also seeks …
covering the immense and increasing traffic demands created. This ecosystem also seeks …
Automatic optimization of volterra equalizer with deep reinforcement learning for intensity-modulated direct-detection optical communications
Y Xu, L Huang, W Jiang, L Xue, W Hu… - Journal of Lightwave …, 2022 - opg.optica.org
Volterra nonlinear equalizer (VNLE) is widely investigated for linear and nonlinear
distortions compensation in optical communication systems. Despite the powerful …
distortions compensation in optical communication systems. Despite the powerful …
Geometric shaping for distortion-limited intensity modulation/direct detection data center links
Intra-data center links are subject to transmission impairments that pose challenges for
efficient scaling of per-wavelength data rates beyond 100 Gb/s. Limited electrical and optical …
efficient scaling of per-wavelength data rates beyond 100 Gb/s. Limited electrical and optical …
Nonlinear equalizer based on absolute operation for IM/DD system using DML
Y Yu, MR Choi, T Bo, Y Che, D Kim… - IEEE photonics …, 2020 - ieeexplore.ieee.org
The performance of high-speed intensity-modulation (IM)/direct-detection (DD) system
implemented by using O-band directly modulated laser (DML) could be limited by the …
implemented by using O-band directly modulated laser (DML) could be limited by the …
Low-complexity nonlinear equalizer based on absolute operation for C-band IM/DD systems
The intensity-modulation/direct-detection transmission system operating in the C-band
suffers from nonlinear waveform distortions induced by fiber chromatic dispersion due to the …
suffers from nonlinear waveform distortions induced by fiber chromatic dispersion due to the …
Electronic dispersion compensation and functional link neural network equalization for IM/DD links
Short-reach fiber optical links employing intensity modulation (IM) at the transmitter (Tx) and
direct detection (DD) at the receiver (Rx), suffer from linear and nonlinear sources of …
direct detection (DD) at the receiver (Rx), suffer from linear and nonlinear sources of …