High brightness photonic lantern kW-class amplifier

In this work, we demonstrate a four-core multicore fiber photonic lantern tip/tilt wavefront sensor. To diagnose the low-order Zernike aberrations, we exploit the ability of the photonic lantern to encode the characteristics of a complex incoming beam at the multimode facet of the sensor to intensity distributions at the multicore fiber output. Here, we provide a comprehensive numerical analysis capable of predicting the performance of fabricated devices and experimentally demonstrate the concept. Two receiver architectures are implemented to discern tip/tilt information by (i) imaging the four-core fiber facet on a 2D detector and (ii) direct power measurement of the single mode outputs using a multicore fiber multiplexer and photodetectors. For both receiver schemes, an angular detection window of ∼ 0.4 ∘ at 1064 nm can be achieved. Our results are expected to further facilitate the development of intensity-based fiber wavefront sensors for adaptive optics systems.

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Photonic lantern tip/tilt detector for adaptive optics systems

Cruz-Delgado

Alvarado-Zacarias

Cooper

et al. 2021

Opt. Lett.

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High brightness photonic lantern kW-class amplifier

Cited by 1 publication

References 13 publications

Photonic lantern tip/tilt detector for adaptive optics systems

Photonic lantern tip/tilt detector for adaptive optics systems

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