Generation of square or hexagonal 16-QAM signals using a dual-drive IQ modulator driven by binary signals

Shuangyi Yan; Xuan Weng; Yuliang Gao; Chao Lu; Pak Tao Lau; Yu Ji; Lei Liu; Xiaogeng Xu

doi:10.1364/OE.20.029023

Generation of square or hexagonal 16-QAM signals using a dual-drive IQ modulator driven by binary signals

Shuangyi Yan, Xuan Weng, Yuliang Gao, Chao Lu, Pak Tao Lau, Yu Ji, Lei Liu, Xiaogeng Xu

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

12 Citations (Scopus)

Abstract

We propose a simple square or hexagonal 16-QAM signal generation technique using a commercially available dual-drive IQ modulator driven by four binary electrical signals with properly designed amplitudes. We analytically derive the required driving signal amplitudes for square and hexagonal 16-QAM and characterize its implementation penalty. Polarization-multiplexed (PM)-16-QAM signals at 28 Gbuad are experimentally demonstrated and stable performance is achieved with simple bias control.

Original language	English
Pages (from-to)	29023-29034
Number of pages	12
Journal	Optics Express
Volume	20
Issue number	27
DOIs	https://doi.org/10.1364/OE.20.029023
Publication status	Published - 17 Dec 2012

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OE.20.029023

http://hdl.handle.net/10397/7090

Cite this

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AU - Weng, Xuan

AU - Gao, Yuliang

AU - Lu, Chao

AU - Lau, Pak Tao

AU - Ji, Yu

AU - Liu, Lei

AU - Xu, Xiaogeng

PY - 2012/12/17

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AB - We propose a simple square or hexagonal 16-QAM signal generation technique using a commercially available dual-drive IQ modulator driven by four binary electrical signals with properly designed amplitudes. We analytically derive the required driving signal amplitudes for square and hexagonal 16-QAM and characterize its implementation penalty. Polarization-multiplexed (PM)-16-QAM signals at 28 Gbuad are experimentally demonstrated and stable performance is achieved with simple bias control.

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Generation of square or hexagonal 16-QAM signals using a dual-drive IQ modulator driven by binary signals

Abstract

ASJC Scopus subject areas

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