95.16-Gb/s Mode-Division-Multiplexing Signal Transmission in Free-Space Enabled by Effective-Conversion of Vector Beams

95.16-Gb/s Mode-Division-Multiplexing Signal Transmission in Free-Space Enabled by Effective-Conversion of Vector Beams

We introduce a high-efficient vector modes (VMs) conversion scheme by using Q-plate (QP) and half-waveplate based on higher-order Poincaré sphere model. Enabled by this simple mode conversion scheme, we demonstrate a 95.16-Gb/s vector-mode-division-multiplexing (VMDM) transmiss...

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Bibliographic Details
Main Authors: Jianbo Zhang, Fan Li, Jianping Li, Zhaohui Li
Format: Article
Language:English
Published: IEEE 2017-01-01
Series:IEEE Photonics Journal
Subjects:
Fiber optics and optical communications
vector mode
mode-division-multiplexing (MDM)
direct detection orthogonal frequency division multiplexing (DD-OFDM)
optical interconnect
polarization.
Online Access:https://ieeexplore.ieee.org/document/7944536/
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Summary:We introduce a high-efficient vector modes (VMs) conversion scheme by using Q-plate (QP) and half-waveplate based on higher-order Poincaré sphere model. Enabled by this simple mode conversion scheme, we demonstrate a 95.16-Gb/s vector-mode-division-multiplexing (VMDM) transmission with direct-detection orthogonal-frequency-division-multiplexing signal over ∼20-cm free space optical link. The mode crosstalk of four typical cylindrical VMs (TE01, TM01, HE21e, and HE21o) are less than −10.3 dB and can be further optimized by high-quality QP. The experimental results indicate that the VMDM technique can be a powerful candidate for large-capacity short-reach optical interconnects.
ISSN:1943-0655

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