DocumentCode :
1404390
Title :
Inter-Band Crosstalk Reduction Using Sinc Apodization of Super-Structured Fiber Bragg Gratings for Hybrid WDM/OCDM Add/Drop Filters
Author :
Minato, Naoki ; Kobayashi, Shuko ; Sasaki, Kensuke ; Kashima, Masayuki
Author_Institution :
Corp. R&D Center, Oki Electr. Ind. Co., Ltd., Saitama, Japan
Volume :
24
Issue :
6
fYear :
2012
fDate :
3/15/2012 12:00:00 AM
Firstpage :
446
Lastpage :
448
Abstract :
Here, we propose a newly developed hybrid system of wavelength-division multiplexing (WDM) and optical code-division multiplexing (OCDM) with phase-shifted coherent time-spreading for the future metro-access integrated network. In order to suppress the inter-band crosstalk from the WDM interfering channels, the sinc-apodizing technique is proposed for the super-structured fiber Bragg gratings (SSFBGs) as the add/drop filters. The suppression of crosstalk is demonstrated by two-channel WDM and OCDM experiments, compared with conventional SSFBGs with uniform index profile. The proposed method suppresses the crosstalk and shows the feasibility of the 160 (10 WDM 16 OCDM)-channel system.
Keywords :
Bragg gratings; code division multiplexing; optical communication equipment; optical crosstalk; optical fibre communication; optical filters; telecommunication channels; wavelength division multiplexing; SSFBG; hybrid WDM/OCDM add/drop filters; interband crosstalk reduction; interfering channels; metro-access integrated network; optical code-division multiplexing; phase-shifted coherent time-spreading; sinc apodization; superstructured fiber Bragg gratings; wavelength-division multiplexing; Bit error rate; Code division multiplexing; Crosstalk; Indexes; Optical crosstalk; Wavelength division multiplexing; Bragg gratings; code-division multiplexing (CDM); fiber optics; wavelength-division multiplexing (WDM);
fLanguage :
English
Journal_Title :
Photonics Technology Letters, IEEE
Publisher :
ieee
ISSN :
1041-1135
Type :
jour
DOI :
10.1109/LPT.2011.2180709
Filename :
6111193
Link To Document :
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