Optical vortex generation with wavelength tunability based on an acoustically-induced fiber grating

Wending Zhang; Keyan Wei; Ligang Huang; Dong Mao; Biqiang Jiang; Feng Gao; Guoquan Zhang; Ting Mei; Jianlin Zhao

doi:10.1364/OE.24.019278

Optical vortex generation with wavelength tunability based on an acoustically-induced fiber grating

Wending Zhang, Keyan Wei, Ligang Huang, Dong Mao, Biqiang Jiang, Feng Gao, Guoquan Zhang, Ting Mei, Jianlin Zhao

School of Physical Science and Technology

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

99 Scopus citations

Abstract

We presented a method to actualize the optical vortex generation with wavelength tunability via an acoustically-induced fiber grating (AIFG) driven by a radio frequency source. The circular polarization fundamental mode could be converted to the first-order optical vortex through the AIFG, and its topological charges were verified by the spiral pattern of coaxial interference between the first-order optical vortex and a Gaussian-reference beam. A spectral tuning range from 1540 nm to 1560 nm was demonstrated with a wavelength tunability slope of 4.65 nm/kHz. The mode conversion efficiency was 95% within the whole tuning spectral range.

Original language	English
Pages (from-to)	19278-19285
Number of pages	8
Journal	Optics Express
Volume	24
Issue number	17
DOIs	https://doi.org/10.1364/OE.24.019278
State	Published - 22 Aug 2016

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title = "Optical vortex generation with wavelength tunability based on an acoustically-induced fiber grating",

abstract = "We presented a method to actualize the optical vortex generation with wavelength tunability via an acoustically-induced fiber grating (AIFG) driven by a radio frequency source. The circular polarization fundamental mode could be converted to the first-order optical vortex through the AIFG, and its topological charges were verified by the spiral pattern of coaxial interference between the first-order optical vortex and a Gaussian-reference beam. A spectral tuning range from 1540 nm to 1560 nm was demonstrated with a wavelength tunability slope of 4.65 nm/kHz. The mode conversion efficiency was 95% within the whole tuning spectral range.",

author = "Wending Zhang and Keyan Wei and Ligang Huang and Dong Mao and Biqiang Jiang and Feng Gao and Guoquan Zhang and Ting Mei and Jianlin Zhao",

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AU - Zhang, Wending

AU - Wei, Keyan

AU - Huang, Ligang

AU - Mao, Dong

AU - Jiang, Biqiang

AU - Gao, Feng

AU - Zhang, Guoquan

AU - Mei, Ting

AU - Zhao, Jianlin

PY - 2016/8/22

Y1 - 2016/8/22

N2 - We presented a method to actualize the optical vortex generation with wavelength tunability via an acoustically-induced fiber grating (AIFG) driven by a radio frequency source. The circular polarization fundamental mode could be converted to the first-order optical vortex through the AIFG, and its topological charges were verified by the spiral pattern of coaxial interference between the first-order optical vortex and a Gaussian-reference beam. A spectral tuning range from 1540 nm to 1560 nm was demonstrated with a wavelength tunability slope of 4.65 nm/kHz. The mode conversion efficiency was 95% within the whole tuning spectral range.

AB - We presented a method to actualize the optical vortex generation with wavelength tunability via an acoustically-induced fiber grating (AIFG) driven by a radio frequency source. The circular polarization fundamental mode could be converted to the first-order optical vortex through the AIFG, and its topological charges were verified by the spiral pattern of coaxial interference between the first-order optical vortex and a Gaussian-reference beam. A spectral tuning range from 1540 nm to 1560 nm was demonstrated with a wavelength tunability slope of 4.65 nm/kHz. The mode conversion efficiency was 95% within the whole tuning spectral range.

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SN - 1094-4087

VL - 24

SP - 19278

EP - 19285

JO - Optics Express

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ER -

Optical vortex generation with wavelength tunability based on an acoustically-induced fiber grating

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