Special Issue on Coherent Optical Communications
Photonics, 2023 Coherent optical communications have emerged as a groundbreaking technology, enabling data rates of 100 Gbit/s and beyond [...]
Fady I. El-Nahal
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Blind Equalization and Channel Estimation in Coherent Optical Communications Using Variational Autoencoders [PDF]
IEEE Journal on Selected Areas in Communications, 2022 We investigate the potential of adaptive blind equalizers based on variational inference for carrier recovery in optical communications. These equalizers are based on a low-complexity approximation of maximum likelihood channel estimation.
V. Lauinger, F. Buchali, L. Schmalen
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Dual Polarization Full-Field Signal Waveform Reconstruction Using Intensity Only Measurements for Coherent Communications [PDF]
Journal of Lightwave Technology, 2019 Conventional optical coherent receivers capture the full electrical field, including amplitude and phase, of a signal waveform by measuring its interference against a stable continuous-wave local oscillator (LO).
Haoshuo Chen +5 more
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Recent Advances in Coherent Optical Communications for Short-Reach: Phase Retrieval Methods
Photonics, 2023 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 footprint, and low power consumption.
A. Karar +4 more
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Quantum Dot Coherent Comb Laser Source for Converged Optical-Wireless Access Networks
IEEE Photonics Journal, 2021 We propose and experimentally demonstrate a converged optical-wireless WDM access network architecture enabled by a highly integrated quantum dot coherent comb laser.
Haipeng Zhang +9 more
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Coherent Communications in Self-Organizing Networks With Distributed Beamforming [PDF]
IEEE Transactions on Vehicular Technology, 2019 Coherent communications aim to support higher data rates and extended connectivity at lower power consumption compared with traditional point-to-point transmissions.
Yi Shi, Y. Sagduyu
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Long-haul coherent communications using microresonator-based frequency combs. [PDF]
Optics Express, 2017 Microresonator-based frequency combs are strong contenders as light sources for wavelength-division multiplexing (WDM). Recent experiments have shown the potential of microresonator combs for replacing a multitude of WDM lasers with a single laser-pumped
A. Fülöp +10 more
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Coherent Free-Space Optical Communications: Opportunities and Challenges
Journal of Lightwave Technology, 2022 The ever-increasing data rate demand for wireless systems is pushing the physical limits of standalone radio-frequency communications, thus fostering the blooming of novel high-capacity optical wireless solutions.
F. Guiomar +4 more
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End-to-End Deep Learning of Long-Haul Coherent Optical Fiber Communications via Regular Perturbation Model [PDF]
European Conference on Optical Communication, 2021 We present a novel end-to-end autoencoder-based learning for coherent optical communications using a "parallelizable" perturbative channel model. We jointly optimized constellation shaping and nonlinear pre-emphasis achieving mutual information gain of 0.
V. Neskorniuk +6 more
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Demonstration of 100 Gbps coherent free-space optical communications at LEO tracking rates
Scientific Reports, 2022 Free-space optical communications are poised to alleviate the data-flow bottleneck experienced by spacecraft as traditional radio frequencies reach their practical limit. While enabling orders-of-magnitude gains in data rates, optical signals impose much
S. Walsh +7 more
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