DocumentCode
2925350
Title
OCDM techniques for improved spectral efficiency
Author
Sotobayashi, Hideyuki
Author_Institution
Independent Administrative Instn., Commun. Res. Lab., Tokyo, Japan
Volume
2
fYear
2002
fDate
10-14 Nov. 2002
Firstpage
853
Abstract
OCDM techniques are applied to improve spectral efficiency. 1.6 bit/s/Hz spectral efficiency is obtained in an OCDM/WDM system by QPSK optical encoding/decoding along with ultrafast optical time-gating and optical thresholding in addition to polarization multiplexing.
Keywords
code division multiplexing; high-speed optical techniques; interference suppression; optical fibre networks; quadrature phase shift keying; wavelength division multiplexing; 6.4 Tbit/s; C-band wavelength region; OCDM techniques; OCDM/WDM system; QPSK optical encoding/decoding; interference noise suppression; optical thresholding; polarization multiplexing; spectral efficiency; ultrafast optical time-gating; ultrafast photonic networks; Code division multiplexing; Interference; Optical filters; Optical mixing; Optical noise; Optical polarization; Optical sensors; Quadrature phase shift keying; Ultrafast optics; Wavelength division multiplexing;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics Society, 2002. LEOS 2002. The 15th Annual Meeting of the IEEE
ISSN
1092-8081
Print_ISBN
0-7803-7500-9
Type
conf
DOI
10.1109/LEOS.2002.1159576
Filename
1159576
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