Conservation of spatiotemporal orbital angular momentum of light in second-harmonic generation

Guan Gui; Nathan J. Brooks; Henry C. Kapteyn; Henry C. Kapteyn; Margaret M. Murnane; Chen-Ting Liao

doi:10.1364/CLEO_QELS.2021.FW4G.3

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper FW4G.3
•https://doi.org/10.1364/CLEO_QELS.2021.FW4G.3

Conservation of spatiotemporal orbital angular momentum of light in second-harmonic generation

Guan Gui, Nathan J. Brooks, Henry C. Kapteyn, Margaret M. Murnane, and Chen-Ting Liao

CLEO: QELS_Fundamental Science 2021

San Jose, California United States
9–14 May 2021
ISBN: 978-1-943580-91-0

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Applications of Structured Light (FW4G)

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G. Gui, N. J. Brooks, H. C. Kapteyn, M. M. Murnane, and C. Liao, "Conservation of spatiotemporal orbital angular momentum of light in second-harmonic generation," in Conference on Lasers and Electro-Optics, J. Kang, S. Tomasulo, I. Ilev, D. Müller, N. Litchinitser, S. Polyakov, V. Podolskiy, J. Nunn, C. Dorrer, T. Fortier, Q. Gan, and C. Saraceno, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper FW4G.3.

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Abstract

By generating the second-harmonic of spatiotemporal orbital angular momentum light, conservation of transverse orbital angular momentum is observed, while the topology of such second-harmonic pulses can be modified by complex spatiotemporal astigmatism.

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