The 66th JSAP Spring Meeting, 2019

Presentation information

Oral presentation

3 Optics and Photonics » 3.6 Ultrashort-pulse and high-intensity lasers

[9p-M135-1~17] 3.6 Ultrashort-pulse and high-intensity lasers

Sat. Mar 9, 2019 1:15 PM - 6:00 PM M135 (H135)

Atsushi Ishizawa(NTT), Sho Ookubo(AIST), Keisaku Yamane(北大)

1:15 PM - 1:30 PM

[9p-M135-1] [Young Scientist Presentation Award Speech] Development of Orbital Angular Momentum-resolved Dual-vortex-comb Spectroscopy

Akifumi Asahara1,2, Takuto Adachi1, Yue Wang1,2, Kaoru Minoshima1,2 (1.Univ. of Electro-Communications, 2.JST, ERATO MINOSHIMA Intelligent Optical Synthesizer)

Keywords:Optical comb, Optical vortex, Dual-comb spectroscopy

We have proposed a concept, “optical-vortex-comb,” achieving precise spatiotemporal phase control by combining optical comb with optical vortex. In the previous meeting, we reported development of “dual-vortex-comb spectroscopy,” which realizes precise interferometric measurements obtaining angle information. In this presentation, we further improve the method and propose “Orbital angular momentum (OAM)-resolved dual-vortex-comb spectroscopy.” This developed method enables us to characterize optical vortex with arbitrary OAM spectrum and will pave the way for material studies with optical-vortex-comb.

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