DocumentCode
1579345
Title
The impact of the combined 8-QAM and QPSK subcarrier modulation for coherent optical OFDM
Author
Takahashi, Hidenori ; Morita, Itsuro ; Tanaka, Hideaki
Author_Institution
KDDI R&D Labs. Inc., Kamifukuoka, Japan
fYear
2011
Firstpage
1
Lastpage
3
Abstract
We investigated the optimized signal condition of the combined 8-QAM and QPSK subcarrier modulation for optical OFDM. The performance improvement was confirmed by WDM transmission experiments with the optimized power difference and subcarrier number.
Keywords
OFDM modulation; optical modulation; quadrature amplitude modulation; quadrature phase shift keying; wavelength division multiplexing; QPSK subcarrier modulation; WDM transmission; coherent optical OFDM; combined 8-QAM; OFDM; Optical fibers; Optical noise; Phase shift keying; Signal to noise ratio; Wavelength division multiplexing;
fLanguage
English
Publisher
ieee
Conference_Titel
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2011 and the National Fiber Optic Engineers Conference
Conference_Location
Los Angeles, CA
ISSN
pending
Print_ISBN
978-1-4577-0213-6
Type
conf
Filename
5875123
Link To Document