Photonic Lantern Mode Control in Few-Moded Fiber Amplifiers Using SPGD**

Aleshire, Chris; Montoya, Juan; Hwang, Christopher; Fontaine, Nicolas K.; Martz, Dale; Fan, T. Y.; Ripin, D.J.

doi:10.1364/cleo_si.2016.sm2q.6

Conference on Lasers and Electro-Optics 2016

DOI: 10.1364/cleo_si.2016.sm2q.6

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Photonic Lantern Mode Control in Few-Moded Fiber Amplifiers Using SPGD**

Chris Aleshire

Juan Montoya

Christopher Hwang

et al.

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2023

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Transmission Matrix-Inspired Optimization for Mode Control in a 6 × 1 Photonic Lantern-Based Fiber Laser

Zhou

et al. 2023

Photonics

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A photonic lantern is a coherent beam combination device that can increase the fiber laser brightness by adaptively controlling the input light properties, such as phase, intensity, and polarization. However, the control effect is closely related to the initial optical field, which affects the convergence speed to obtain the optimum solutions. In this work, we propose a novel control strategy using the prior structural information of the photonic lantern. Taking a 6 × 1 photonic lantern as an example, we calculate the transmission matrix of the photonic lantern. The initial optical field conditions, fed as the control inputs, for various mode outputs can be obtained. Compared with the random and equal amplitude control methods, the preset method from the transmission matrix presents a significant improvement of the desired mode content. Our optimization method is generally useful for adaptive control systems to improve their performance, taking advantage of their own structural information.

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Transmission Matrix-Inspired Optimization for Mode Control in a 6 × 1 Photonic Lantern-Based Fiber Laser

Zhou

et al. 2023

Photonics

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Photonic Lantern Mode Control in Few-Moded Fiber Amplifiers Using SPGD**

Cited by 1 publication

References 5 publications

Transmission Matrix-Inspired Optimization for Mode Control in a 6 × 1 Photonic Lantern-Based Fiber Laser

Transmission Matrix-Inspired Optimization for Mode Control in a 6 × 1 Photonic Lantern-Based Fiber Laser

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