NDLI: Time-spreading and wavelength-group-hopping codes implemented over fiber-to-the-home networks

Content Provider	IEEE Xplore Digital Library
Author	Yao-Tang Chang Jen-Fa Huang Kai-Chun Hsu Li-Wei Chou
Copyright Year	2007
Description	Author affiliation: Nat. Cheng Kung Univ., Tainan (Yao-Tang Chang)
Abstract	Exploiting the inherent cyclic and periodic free-spectral-range (FSR) properties of arrayed-waveguide-grating (AWG) routers, the time-spreading and free-spectral-range (FSR) group hopping code, which embedded maximum length sequence (i.e., called TS/GH embedded M-sequence code) is configured over fiber-to-the-home (FTTH) network. In this study, the proposed codeword, which integrated time and spectral (wavelength) domain, is constructed as the same prime code sequence and therefore is referred as two-dimension (2-D) optical codes. Importantly, for the proposed broadband light source (BLS), the total number of available wavelengths is partitioned into the different groups G based on the M-sequence code length. Every group is referred as hopping pattern and characterized by the FSR interval of AWG router. To improve the prime-hop code (PHC) and modified prime-hop code (MPHC) of 2-D OCDMA system with cascading one additional AWG router, the cardinality of proposed scheme is significantly increased by the factor of 15 times under the optimum arrangement for group hopping number of G=l. Moreover, the correlation property and bit error rate (BER) of proposed scheme is evaluated and the result reveals that the BER of proposed scheme is better than MPHC and PHC.
Starting Page	534
Ending Page	538
File Size	1451419
Page Count	5
File Format	PDF
ISBN	9781424414734
DOI	10.1109/ICCCAS.2007.6251632
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-07-11
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical filters Optical fibers Correlation Bit error rate Optical network units Arrayed waveguide gratings
Content Type	Text
Resource Type	Article

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