Modulation format and digital signal processing for IM-DD optics at post-200G era
200-Gb/s per lane intensity-modulation (IM) direct-detection (DD) optics are being
commercialized to support 800G and 1.6 T applications inside datacenters. Though IM-DD …
commercialized to support 800G and 1.6 T applications inside datacenters. Though IM-DD …
Machine learning applications for short reach optical communication
With the rapid development of optical communication systems, more advanced techniques
conventionally used in long-haul transmissions have gradually entered systems covering …
conventionally used in long-haul transmissions have gradually entered systems covering …
High-speed photonic neuromorphic computing using recurrent optical spectrum slicing neural networks
Neuromorphic computing using photonic hardware is a promising route towards ultrafast
processing while maintaining low power consumption. Here we present and numerically …
processing while maintaining low power consumption. Here we present and numerically …
Advanced DSP enabled C-band 112 Gbit/s/λ PAM-4 transmissions with severe bandwidth-constraint
The performance of high-speed intensity modulation direct detection (IM-DD) transmissions
is severely degraded by the linear inter-symbol interference (ISI), due to both bandwidth …
is severely degraded by the linear inter-symbol interference (ISI), due to both bandwidth …
High-speed reach-extended IM-DD system with low-complexity DSP for 6G fronthaul
P Zhu, Y Yoshida, K Akahane… - Journal of Optical …, 2024 - opg.optica.org
With the rising traffic demand from the metaverse, holographic communications, and so on,
in beyond-5G (B5G)/6G cloud radio access networks (C-RANs), fronthaul (FH) networks that …
in beyond-5G (B5G)/6G cloud radio access networks (C-RANs), fronthaul (FH) networks that …
Gradient-descent noise whitening techniques for short-reach IM-DD optical interconnects with severe bandwidth limitation
Bandwidth limitation in optoelectrical components and the chromatic dispersion-induced
power fading phenomenon cause severe inter-symbol interference (ISI) in high-speed …
power fading phenomenon cause severe inter-symbol interference (ISI) in high-speed …
Advanced nonlinearity equalizer with TC-NL-MLSE for transmitting beyond 200-Gb/s PAM-8 in IM/DD systems
J Zhou, J Zhang, X Zhao, T Jin, S Hu, H Lin… - Optics …, 2022 - opg.optica.org
The severe band-limited effect resulted from the low-cost optical transceiver increases the
channel memory length and the number of taps of the equalizers. Besides, the interaction of …
channel memory length and the number of taps of the equalizers. Besides, the interaction of …
Suppressed noise enhancement equalization combined with nonlinear-MLSE techniques for bandwidth-limitation IM/DD System
Bandwidth limitation introduced inter-symbol interference (ISI) is the major impediment for
high baud rate intensity modulation and direct detection (IM/DD) system with commercial …
high baud rate intensity modulation and direct detection (IM/DD) system with commercial …
Multi-wavelength photonic neuromorphic computing for intra and inter-channel distortion compensations in wdm optical communication systems
B Wang, TF De Lima, BJ Shastri… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
Digital signal processing (DSP) has been widely applied in optical communication systems
to mitigate various signal distortions and has become one of the key technologies that have …
to mitigate various signal distortions and has become one of the key technologies that have …
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 …