Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7090
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Title: Generation of square or hexagonal 16-QAM signals using a dual-drive IQ modulator driven by binary signals
Authors: Yan, S
Weng, X
Gao, Y
Lu, C 
Lau, APT 
Ji, Y
Liu, L
Xu, X
Issue Date: 17-Dec-2012
Source: Optics express, 17 Dec. 2012, v. 20, no. 27, p. 29023-29034
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.
Keywords: Fiber optics communications
Modulation
Publisher: Optical Society of America
Journal: Optics express 
EISSN: 1094-4087
DOI: 10.1364/OE.20.029023
Rights: ©2012 Optical Society of America
This paper was published in Optical Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-27-29023. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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