Abstract

The coherent amplifying network laser is based on an array of thousands of active laser fibers coherently combined to generate high peak-power pulses at a high repetition rate. To achieve such a massive network, new combination architectures are presented here. They are based on implementing a spherical array of amplifying fibers, thus removing the need for transport fibers from the initial scheme. These designs present an advantage in terms of scalability leading to significant reduction of the temporal fluctuations compared to those of a conventional high peak-power laser. Noise evolution with fiber number is calculated using a perturbative analysis of each channel parameters (phase, signal intensity, beam profile).

© 2015 Optical Society of America

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