Two-dimensional combination of eight ultrashort pulsed beams using a diffractive optic pair

Optics Letters
Tong ZhouWim Leemans

Abstract

We demonstrate, to the best of our knowledge, the first two-dimensional diffractive beam combination for ultrashort pulses-a highly scalable technique capable of using a diffractive optic pair to combine large arrays of ultrashort pulsed beams. A square array of eight 120 fs pulsed beams from eight fiber outputs is coherently combined into one beam using the diffractive combiner. The experimental results show that the combined pulse preserves the input pulse width and shape, and the combining efficiency is measured to be close to the limit of the manufactured diffractive optic. An analysis shows that the combining loss due to uncompensated temporal and spatial dispersions is negligible.

References

Oct 15, 1987·Applied Optics·J R LegerW B Veldkamp
Dec 18, 2010·Optics Express·Gregory D GoodnoJoshua E Rothenberg
Jan 26, 2011·Optics Express·Tino EidamAndreas Tünnermann
Jul 25, 2012·Optics Letters·Shawn M RedmondGregory D Goodno
Oct 6, 2012·Optics Express·Leo A SiimanAlmantas Galvanauskas
Dec 17, 2014·Optics Letters·Arno KlenkeAndreas Tünnermann
Nov 1, 2017·Optics Letters·Tong ZhouRussell Wilcox

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Citations

Jun 2, 2020·Optics Letters·Michael MüllerJens Limpert
Apr 2, 2019·Optics Letters·Julijanas ŽeludevičiusKęstutis Regelskis
Dec 15, 2018·Optics Letters·Michael MüllerJens Limpert
Mar 18, 2021·Optics Express·Qiang DuRussell Wilcox
Apr 2, 2021·Optics Letters·Maike ProssotowiczUwe Morgner

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