Journal
OPTICS EXPRESS
Volume 27, Issue 17, Pages 24223-24230Publisher
Optica Publishing Group
DOI: 10.1364/OE.27.024223
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Funding
- Japan Society for the Promotion of Science (JSPS) [JP18H01896]
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) (MEXT Q-LEAP)
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Coherent beam combining is a method to scale the peak and average power levels of laser systems beyond the limit of a single emitter system. This is achieved by stabilizing the relative optical phase of multiple lasers and combining them. We investigated the use of reinforcement learning (RL) and neural networks (NN) in this domain. Starting from a randomly initialized neural network, the system converged to a phase stabilization policy, which was comparable to a software implemented proportional-integral-derivative (PID) controller. Furthermore, we demonstrate the capability of neural networks to predict relative phase noise, which is one potential advantage of this method. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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