Direct Generation of Vortex Beam with a Dual-Polarization Microchip Laser

Zilong Zhang; Kun Gui; Changming Zhao; Haiyang Zhang; Yuxiao Xing

doi:10.1109/LPT.2019.2922428

Direct Generation of Vortex Beam with a Dual-Polarization Microchip Laser

Zilong Zhang, Kun Gui, Changming Zhao^*, Haiyang Zhang, Yuxiao Xing

^*Corresponding author for this work

School of Optics and Photonics

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

Direct generation of vortex beam by mode polarization selection is presented. Due to the dual-polarization property of the laser cavity, two perpendicular polarized transverse modes are simultaneously generated. One is a TEM₀₀ mode and the other is a dark hollow one, which is vortex beam. The topological charge number and the handedness of the generated vortex beam are measured, as well as the spectral and temporal properties. The results show that the beam is a Laguerre-Gaussian mode with the topological charge number of l= ±1. Near single frequency mode of the vortex beam is achieved, with a chaotic pulsation temporal output.

Original language	English
Article number	8735921
Pages (from-to)	1221-1224
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	31
Issue number	15
DOIs	https://doi.org/10.1109/LPT.2019.2922428
Publication status	Published - 1 Aug 2019

Keywords

Vortex beam generation
dual-frequency laser
microchip laser

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10.1109/LPT.2019.2922428

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title = "Direct Generation of Vortex Beam with a Dual-Polarization Microchip Laser",

abstract = "Direct generation of vortex beam by mode polarization selection is presented. Due to the dual-polarization property of the laser cavity, two perpendicular polarized transverse modes are simultaneously generated. One is a TEM00 mode and the other is a dark hollow one, which is vortex beam. The topological charge number and the handedness of the generated vortex beam are measured, as well as the spectral and temporal properties. The results show that the beam is a Laguerre-Gaussian mode with the topological charge number of l= ±1. Near single frequency mode of the vortex beam is achieved, with a chaotic pulsation temporal output.",

keywords = "Vortex beam generation, dual-frequency laser, microchip laser",

author = "Zilong Zhang and Kun Gui and Changming Zhao and Haiyang Zhang and Yuxiao Xing",

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doi = "10.1109/LPT.2019.2922428",

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T1 - Direct Generation of Vortex Beam with a Dual-Polarization Microchip Laser

AU - Zhang, Zilong

AU - Gui, Kun

AU - Zhao, Changming

AU - Zhang, Haiyang

AU - Xing, Yuxiao

PY - 2019/8/1

Y1 - 2019/8/1

N2 - Direct generation of vortex beam by mode polarization selection is presented. Due to the dual-polarization property of the laser cavity, two perpendicular polarized transverse modes are simultaneously generated. One is a TEM00 mode and the other is a dark hollow one, which is vortex beam. The topological charge number and the handedness of the generated vortex beam are measured, as well as the spectral and temporal properties. The results show that the beam is a Laguerre-Gaussian mode with the topological charge number of l= ±1. Near single frequency mode of the vortex beam is achieved, with a chaotic pulsation temporal output.

AB - Direct generation of vortex beam by mode polarization selection is presented. Due to the dual-polarization property of the laser cavity, two perpendicular polarized transverse modes are simultaneously generated. One is a TEM00 mode and the other is a dark hollow one, which is vortex beam. The topological charge number and the handedness of the generated vortex beam are measured, as well as the spectral and temporal properties. The results show that the beam is a Laguerre-Gaussian mode with the topological charge number of l= ±1. Near single frequency mode of the vortex beam is achieved, with a chaotic pulsation temporal output.

KW - Vortex beam generation

KW - dual-frequency laser

KW - microchip laser

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JO - IEEE Photonics Technology Letters

JF - IEEE Photonics Technology Letters

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ER -

Direct Generation of Vortex Beam with a Dual-Polarization Microchip Laser

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Keywords

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