NDLI: Sub-cycle QAM modulation for VCSEL-based optical fiber links.

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Sub-cycle QAM modulation for VCSEL-based optical fiber links.

Content Provider	Semantic Scholar
Author	Pham, Tien-Thang Rodes, Roberto Jensen, Jesper Bevensee Chang-Hasnain, Connie J. Monroy, Idelfonso Tafur
Copyright Year	2013
Abstract	QAM modulation utilizing subcarrier frequency lower than the symbol rate is both theoretically and experimentally investigated. High spectral efficiency and concentration of power in low frequencies make sub-cycle QAM signals attractive for optical fiber links with direct modulated light sources. Real-time generated 10-Gbps 4-level QAM signal in a 7.5-GHz bandwidth utilizing subcarrier frequency at a half symbol rate was successfully transmitted over 20-km SMF using an un-cooled 1.5-µm VCSEL. Only 2.5-dB fiber transmission power penalty was observed with no equalization applied.
Starting Page	251
Ending Page	260
Page Count	10
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://orbit.dtu.dk/ws/files/60493807/oe_21_2_1830.pdf
Alternate Webpage(s)	http://orbit.dtu.dk/files/60493807/oe_21_2_1830.pdf
PubMed reference number	23389167v1
Alternate Webpage(s)	https://doi.org/10.1364/OE.21.001830
DOI	10.1364/oe.21.001830
Journal	Optics express
Volume Number	21
Issue Number	2
Language	English
Access Restriction	Open
Subject Keyword	FEC protocol Fiber Optic Cables Revision procedure Scientific Publication Sleep Apnea, Obstructive Tissue fiber Transmitter Device Component Ziziphus mauritiana disease transmission
Content Type	Text
Resource Type	Article

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