Deep neural network-based digital pre-distortion for high baudrate optical coherent transmission
High-symbol-rate coherentoptical transceivers suffer more from the critical responses of
transceiver components at high frequency, especially when applying a higher order …
transceiver components at high frequency, especially when applying a higher order …
Single-channel 1.61 Tb/s optical coherent transmission enabled by neural network-based digital pre-distortion
We propose a novel digital pre-distortion (DPD) based on neural networks for high-baudrate
optical coherent transmitters. We demonstrate experimentally that it outperforms an …
optical coherent transmitters. We demonstrate experimentally that it outperforms an …
Digital pre-emphasis in optical communication systems: On the nonlinear performance
Digital signal pre-processing at the transmitter is a key enabler for next-generation optical
transceivers. One of the major challenges faced by these transponders is the limited …
transceivers. One of the major challenges faced by these transponders is the limited …
A direct learning approach for neural network based pre-distortion for coherent nonlinear optical transmitter
High throughput coherent optical transmitters are key components in future optical
communication infrastructure. However, these transmitters are often distorted with the …
communication infrastructure. However, these transmitters are often distorted with the …
Recurrent neural network soft-demapping for nonlinear ISI in 800Gbit/s DWDM coherent optical transmissions
High speed optical transmission systems suffer from intersymbol interference (ISI) and
colored noise induced by nonlinear bandwidth limited optical and electrical components. As …
colored noise induced by nonlinear bandwidth limited optical and electrical components. As …
A multi-rate approach for nonlinear pre-distortion using end-to-end deep learning in IM-DD systems
Modern intra-data center (IDC) interconnects leverage robust and low-cost intensity
modulation (IM) and direct detection (DD) optical links, based on multimode fibers (MMFs) …
modulation (IM) and direct detection (DD) optical links, based on multimode fibers (MMFs) …
Convolutional neural network-aided DP-64 QAM coherent optical communication systems
Optical nonlinearity impairments have been a major obstacle for high-speed, long-haul and
large-capacity optical transmission. In this paper, we propose a novel convolutional neural …
large-capacity optical transmission. In this paper, we propose a novel convolutional neural …
SC and OFDM hybrid coherent optical transmission scheme based on 1-bit bandpass delta-sigma modulation
T Xie, X Xin, L Fang, H Yan, X Pan, X Li - Optics Express, 2024 - opg.optica.org
High-order quadrature amplitude modulation (QAM) can effectively improve the capacity and
spectral efficiency of coherent optical transmission systems. However, as the modulation …
spectral efficiency of coherent optical transmission systems. However, as the modulation …
Digital subcarrier multiplexing for fiber nonlinearity mitigation in coherent optical communication systems
In this work we experimentally investigate the improved intra-channel fiber nonlinearity
tolerance of digital subcarrier multiplexed (SCM) signals in a single-channel coherent …
tolerance of digital subcarrier multiplexed (SCM) signals in a single-channel coherent …
Low-resolution digital pre-compensation enabled by digital resolution enhancer
Digital pre-compensation (DPC) is an indispensable block of state-of-the-art optical
transceivers, and a key enabler for high-order modulation formats (HOMFs) transmission. A …
transceivers, and a key enabler for high-order modulation formats (HOMFs) transmission. A …