Towards ultimate high-power scaling: Coherent beam combining of fiber lasers

H Fathi, M Närhi, R Gumenyuk - Photonics, 2021 - mdpi.com
… various combining techniques, the coherent beam combining of … coherent beam combining
for both continuous-wave and ultrafast fiber lasers. The concept of coherent beam combining

Dual polarization full-field signal waveform reconstruction using intensity only measurements for coherent communications

H Chen, NK Fontaine, JM Gene, R Ryf… - Journal of Lightwave …, 2020 - ieeexplore.ieee.org
… Recently, compressed sensing techniques that exploit signal sparsity in combination with
phase retrieval methods [13]–[16] have been proposed. However, they make the received …

Deep reinforcement learning for coherent beam combining applications

H Tünnermann, A Shirakawa - Optics express, 2019 - opg.optica.org
… Additional information can be derived from the combination of multiple types of sensors and
… While Kalman filters and iterative algorithms can achieve the combination of different sensor

First experimental demonstration of coherent beam combining of more than 100 beams

H Chang, Q Chang, J Xi, T Hou, R Su, P Ma… - Photonics …, 2020 - opg.optica.org
… algorithm, and phase-intensity mapping [13–20]. In 2006, 48 fiber lasers were coherently
combined by an … In 2020, 61 fs fiber lasers were coherently combined by an interference fringes …

Coherent Kramers-Kronig Receiver for -OTDR

J Jiang, Z Wang, Z Wang, Y Wu, S Lin… - Journal of Lightwave …, 2019 - opg.optica.org
phase of the Rayleigh backscattering (RBS) light in sensing fiber, Φ-OTDR can retrieve the
perturbation signal through the phase change between two virtual sensing … the combination

Coherent automotive radar networks: The next generation of radar-based imaging and mapping

M Gottinger, M Hoffmann, M Christmann… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
… eight radar sensors and additional stereo cameras for sensing of … an object list based on the
information from all the sensors. … point spread function for the coherent combination of two L-…

An overview of signal processing techniques for joint communication and radar sensing

JA Zhang, F Liu, C Masouros, RW Heath… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
… distances [75], and the optimization is conducted mainly with respect to ϕ, which can
ensure the pre-generated subbeams are coherently combined when generating the multibeam. …

Turbulence-resilient pilot-assisted self-coherent free-space optical communications using automatic optoelectronic mixing of many modes

R Zhang, N Hu, H Zhou, K Zou, X Su, Y Zhou… - Nature …, 2021 - nature.com
… using a wavefront sensor and applying a DSP-calculated conjugate phase to the beam by
a wavefront corrector 21 . Another technique uses multi-mode digital coherent combining 22,…

Channel phase extraction for a coherent beam combining system using a 2D target intensity image and the CMA-ES algorithm

M Yeo, B Kim, H Kim, Y Jeong - Journal of the Korean Physical Society, 2024 - Springer
… based method proposed for extracting channel phase information by measuring a two-dimensional
(2D) target intensity image (2D-TII) of a coherent beam combining (CBC) system both …

Integrated sensing and communication signals toward 5G-A and 6G: A survey

Z Wei, H Qu, Y Wang, X Yuan, H Wu… - IEEE Internet of …, 2023 - ieeexplore.ieee.org
… OFDM is usually combined with other modulation methods, … LFM), phase coding, and spread
spectrum to improve the sensingsensing methods are designed for pulse radar or coherent