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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 22 — Nov. 1, 2004
  • pp: 5457–5468

High reflectivity superstructured FBG for coherent optical code generation and recognition

Xu Wang, Koji Matsushima, Akihiko Nishiki, Naoya Wada, and Ken-ichi Kitayama  »View Author Affiliations

Optics Express, Vol. 12, Issue 22, pp. 5457-5468 (2004)

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The performance of the phase-shifted superstructured fiber Bragg grating (SSFBG) for optical code (OC) recognition was investigated with different reflectivity as well as input pulse width. The auto-correlation peak (PA) and the ratios of PA to the maximum wing level (P/W) and cross-correlation level (P/C) were used to quantitatively evaluate the OC recognition performance. There is a conflict between obtaining high PA and high P/W and P/C ratios in high reflectivity regime. The approach of applying apodization technique to improve the performance in high reflectivity regime is proposed. The comparative experimental investigations with 127-chip 160-Gchip/s SSFBG are carried out to confirm the effectiveness of the proposed approach. Error-free transmission with multiplexing of two active users has been successfully achieved by the apodized SSFBG at a data rate of 1.25 Gbit/s.

© 2004 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.4230) Fiber optics and optical communications : Multiplexing
(060.4250) Fiber optics and optical communications : Networks

ToC Category:
Research Papers

Original Manuscript: October 1, 2004
Revised Manuscript: October 21, 2004
Published: November 1, 2004

Xu Wang, Koji Matsushima, Akihiko Nishiki, Naoya Wada, and Ken-ichi Kitayama, "High reflectivity superstructured FBG for coherent optical code generation and recognition," Opt. Express 12, 5457-5468 (2004)

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