TDECQ-based optimization of nonlinear digital pre-distorters for VCSEL-MMF optical links using end-to-end learning

L Minelli, F Forghieri, T Shao, A Shahpari… - Journal of Lightwave …, 2024 - opg.optica.org
We investigate in this article the use of nonlinear digital pre-distorters (DPDs) for improving
the performance of optical transmitters (TX) employing vertical-cavity surface-emitting lasers …

[HTML][HTML] Polarization-stable single-mode multi-junction VCSELs with integrated anti-phase mode filter

A Ghods, M Dummer, K Johnson - Journal of Applied Physics, 2023 - pubs.aip.org
In this paper, polarization-stable and spectrally single-mode operation of oxide-confined
multi-junction vertical-cavity surface-emitting lasers (VCSELs) are achieved by using a non …

Differentiable machine learning-based modeling for directly-modulated lasers

SH Fernandez, O Jovanovic… - IEEE Photonics …, 2024 - ieeexplore.ieee.org
End-to-end learning has become a popular method for joint transmitter and receiver
optimization in optical communication systems. Such approach may require a differentiable …

Transverse Coupled Cavity VCSELs: Bridging Ultrabroadband Dynamics To Optical Supermodes

M D'Alessandro, V Torrelli, F Bertazzi… - IEEE Photonics …, 2024 - ieeexplore.ieee.org
In this work we investigate the ultrabroadband dynamics of transverse coupled cavity
VCSELs. This study is based on a multimode rate equation model, whose parameters are …

End-to-end optimization of optical communication systems based on directly modulated lasers

S Hernandez, C Peucheret, F Da Ros… - Journal of Optical …, 2024 - opg.optica.org
The use of directly modulated lasers (DMLs) is attractive in low-power, cost-constrained
short-reach optical links. However, their limited modulation bandwidth can induce waveform …

Deep Learning Based End-to-End Optical Wireless Communication Systems with Autoencoders

H Safi, I Tavakkolnia, H Haas - IEEE Communications Letters, 2024 - ieeexplore.ieee.org
The utilization of neural network-based autoencoders (AEs) for the implementation of the
physical layer in communication systems has recently emerged as a promising technique for …

End-to-end Optimization of Optical Communication Systems based on Directly Modulated Lasers

C Peucheret, F Da Ros, D Zibar - arXiv preprint arXiv:2405.09907, 2024 - arxiv.org
The use of directly modulated lasers (DMLs) is attractive in low-power, cost-constrained
short-reach optical links. However, their limited modulation bandwidth can induce waveform …

Performance investigation of geometric constellation shaping-based coherent WDM optical fiber communication system supported by deep-learning autoencoder

AM Abbass, RS Fyath - Results in Optics, 2024 - Elsevier
Geometric constellation shaping (GCS) has been proposed to enhance the performance of
wavelength-division multiplexing (WDM) coherent optical fiber communication (OFC) …

Two-Tap Equalizer for the Eye Skewing Distortion

G Stepniak, M Marzecki - IEEE Photonics Technology Letters, 2023 - ieeexplore.ieee.org
Eye diagram skew is a well-known impairment observed at high baud rates in directly
modulated lasers. Eye skew manifests as a time-shift between the lower and upper parts of …

Neural Constellation Shaping and Back-Off Training for Memoryless Power Amplifiers

D Kopyto, G Bauch - 2024 IEEE Wireless Communications and …, 2024 - ieeexplore.ieee.org
Traveling-wave tube amplifiers (TWTAs) are common power amplifiers in satellite
communications. Saturation and warping effects caused by the nonlinearity make …