End-to-end learning for VCSEL-based optical interconnects: State-of-the-art, challenges, and opportunities
Optical interconnects (OIs) based on vertical-cavity surface-emitting lasers (VCSELs) are the
main workhorse within data centers, supercomputers, and even vehicles, providing low-cost …
main workhorse within data centers, supercomputers, and even vehicles, providing low-cost …
High spectral efficiency coherent superchannel transmission with soliton microcombs
Spectral efficiency (SE) is one of the key metrics for optical communication networks. An
important building block for its maximization are optical superchannels, channels that are …
important building block for its maximization are optical superchannels, channels that are …
100-Gbps per-channel all-optical wavelength conversion without pre-amplifiers based on an integrated nanophotonic platform
All-optical wavelength conversion based on four-wave mixing attracts intense interest in
many areas, especially in optical fiber communications, due to the advantages of …
many areas, especially in optical fiber communications, due to the advantages of …
Geometric shaping of 2-D constellations in the presence of laser phase noise
In this article, we propose a geometric shaping (GS) strategy to design 8, 16, 32, and 64-ary
modulation formats for the optical fibre channel impaired by both additive white Gaussian …
modulation formats for the optical fibre channel impaired by both additive white Gaussian …
End-to-end optimization of constellation shaping for Wiener phase noise channels with a differentiable blind phase search
As the demand for higher data throughput in coherent optical communication systems
increases, we need to find ways to increase capacity in existing and future optical …
increases, we need to find ways to increase capacity in existing and future optical …
2048-QAM transmission at 15 GBd over 100 km using geometric constellation shaping
We experimentally investigated a pilot-aided digital signal processing (DSP) chain in
combination with high-order geometric constellation shaping to increase the achievable …
combination with high-order geometric constellation shaping to increase the achievable …
Periodicity-enabled size reduction of symbol based predistortion for high-order QAM
We experimentally demonstrate a novel size reduction approach for symbol-based look-up
table (LUT) digital predistortion (DPD) of the transmitter impairments taking advantage of the …
table (LUT) digital predistortion (DPD) of the transmitter impairments taking advantage of the …
Transceiver impairment mitigation by 8× 2 widely linear MIMO equalizer with independent complex filtering on IQ signals
M Sato, M Arikawa, H Noguchi, J Matsui… - IEEE Photonics …, 2022 - ieeexplore.ieee.org
High-order modulation formats with high symbol rates are promising candidates for meeting
the growing traffic requirements of digital coherent transmission. In using these modulation …
the growing traffic requirements of digital coherent transmission. In using these modulation …
Inter-Channel Interference Cancellation for Long-Haul Superchannel System
Optical frequency combs enable superchannel systems with dense channel spacing by
providing equally-spaced lines to overcome the relative frequency drifts of free-running …
providing equally-spaced lines to overcome the relative frequency drifts of free-running …
Compensation and monitoring of transmitter and receiver impairments in 10,000-km single-mode fiber transmission by adaptive multi-layer filters with augmented …
We propose an adaptive multi-layer (ML) filter architecture to compensate for linear
impairments that occur in transmitter (Tx) and receiver (Rx) components in ultra-long-haul …
impairments that occur in transmitter (Tx) and receiver (Rx) components in ultra-long-haul …