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Improvement of the coding performance of SSFBG en/decoder by apodization technique
Author(s) -
Wang Xu,
Nishiki Akihiko,
Kitayama KenIchi
Publication year - 2004
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.20433
Subject(s) - apodization , fiber bragg grating , coding (social sciences) , optics , chip , computer science , grating , microwave , superstructure , materials science , physics , optical fiber , telecommunications , mathematics , statistics , thermodynamics
The conflict between the good coding performance and high reflectivity of the superstructure fiber Bragg grating (SSFBG) en/decoder for coherent optical code division multiple access (OCDMA) is analyzed in this paper. Apodization along grating length is proposed for solving this problem for the first time. By using a simple feedback‐searching procedure, an apodization profile for a 15‐chip SSFBG is successfully generated and high reflectivity and a high P/W ratio are exhibited simultaneously. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 43: 247–250, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20433

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