Compact internal sensing phase locking system for coherent combining of fiber laser array

J Long, H Chang, Y Zhang, T Hou, Q Chang… - Optics & Laser …, 2022 - Elsevier
A compact internal sensing phase locking system for coherent combining of large aperture
fiber laser beams is demonstrated in this paper. Herein, the phase noises in the laser …

Coherent beam combining of 7 fiber amplifiers based on all-fiber internal phase-locking technique

K Jin, H Chang, R Su, J Long, S Chen, J Zhang… - Optics & Laser …, 2024 - Elsevier
An all-fiber internal phase-locking coherent beam combining (CBC) system is experimental
demonstrated. Without the need for any external sampling elements, the relative phase …

Photonic solution to phase sensing and control for light-based interstellar propulsion

CP Bandutunga, PG Sibley, MJ Ireland, RL Ward - JOSA B, 2021 - opg.optica.org
Reaching another star system within a human timescale requires traveling at a sizeable
fraction of the speed of light. To achieve this, the Breakthrough Starshot program proposes a …

Distributed active phase-locking of an all-fiber structured laser array by a stochastic parallel gradient descent (SPGD) algorithm

H Chang, R Su, J Long, Q Chang, P Ma, Y Ma… - Optics …, 2022 - opg.optica.org
Coherent beam combining (CBC) of fiber laser array is a promising way to achieve high
output power. Phase control is one key point to implement CBC. Appropriate feedback …

High power compatible internally sensed optical phased array

LE Roberts, RL Ward, SP Francis, PG Sibley… - Optics express, 2016 - opg.optica.org
The technical embodiment of the Huygens-Fresnel principle, an optical phased array (OPA)
is an arrangement of optical emitters with relative phases controlled to create a desired …

基于光纤耦合器的全光纤链路锁相控制

李枫, 超耿, 李新阳, 邱琪 - 光电工程, 2017 - cn.oejournal.org
提出了一种基于光纤耦合器的全光纤链路锁相方法. 通过光纤交叉互联使得出射光束与本振激光
之间以及光纤端面后向回光相互间在光纤耦合器内进行干涉以获得性能指标 …

[PDF][PDF] 主动相位控制光纤激光相干合成技术研究

周朴, 粟荣涛, 马阎星, 吴坚, 马鹏飞, 李灿… - Acta Optica …, 2023 - researching.cn
主动相位控制光纤激光相干合成技术研究 Page 1 1700001-1 封面文章·特邀综述 第43 卷第17
期/2023 年9 月/光学学报 主动相位控制光纤激光相干合成技术研究 周朴1**,粟荣涛1,2,3*,马阎 …

Research progress of active phase-locking technique of an all-fiber coherent laser array

C Hongxiang, S Rongtao, L Jinhu, C Qi, M Pengfei… - 强激光与粒子束, 2023 - hplpb.com.cn
The all-fiber laser array with active phase control uses an all-fiber network to realize internal
detection and control of piston phases, which is one of the important development directions …

Coherent beam combining using an internally sensed optical phased array of frequency-offset phase locked lasers

LE Roberts, RL Ward, C Smith, DA Shaddock - Photonics, 2020 - mdpi.com
Coherent beam combining can be used to scale optical power and enable mechanism-free
beam steering using an optical phased array. Coherently combining multiple free-running …

Cascaded internal phase control of all-fiber coherent fiber laser array

H Chang, R Su, Y Zhang, M Jiang, Q Chang… - Frontiers in …, 2022 - frontiersin.org
Fiber lasers have been widely used in medical care, industries, and scientific research in
recent years. The coherent beam combining of fiber lasers with an internal phase control …