Multichannel mode conversion and multiplexing based on a single spatial light modulator for optical communication

Song Nie; Song Yu; Shanyong Cai; Mingying Lan; Wanyi Gu

doi:10.1117/1.OE.55.7.076108

19 July 2016 Multichannel mode conversion and multiplexing based on a single spatial light modulator for optical communication

Song Nie, Song Yu, Shanyong Cai, Mingying Lan, Wanyi Gu

Author Affiliations +

Optical Engineering, Vol. 55, Issue 7, 076108 (July 2016). https://doi.org/10.1117/1.OE.55.7.076108

Abstract

A method is proposed to achieve multichannel mode conversion and multiplexing by dividing a single spatial light modulator into several blocks with the mode conversion pattern and blazed grating loaded on each block. The conversion patterns realize the precise excitation of higher order modes using combined amplitude and phase modulation. The blazed gratings bring together incident beams, so these beams can be coupled into few-mode fiber (FMF). In the experiment, four higher order modes are precisely excited and converge with a tilt angle. Through the simulation method, these beams can be coupled into FMF with small tilt angles (0.0344 deg for LP₁₁ mode).

Citation Download Citation

Song Nie, Song Yu, Shanyong Cai, Mingying Lan, and Wanyi Gu "Multichannel mode conversion and multiplexing based on a single spatial light modulator for optical communication," Optical Engineering 55(7), 076108 (19 July 2016). https://doi.org/10.1117/1.OE.55.7.076108

Published: 19 July 2016

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