Complementary Walsh-Hadamard coded optical CDMA coder/decoders structured over arrayed-waveguide grating routers

Jen Fa Huang, Chao Chin Yang, Shin Pin Tseng

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

In this paper, an optical code-division multiple-access (OCDMA) system with complementary Walsh-Hadamard coded optical encoder/decoder configuration structured over arrayed-waveguide grating (AWG) routers is examined. In the proposed system, each network user requires only two AWG routers to accomplish spectral encoding and decoding for complementary keying, thus, resulting a simpler and low cost system. Performance of the proposed system is analyzed by taking the effect of phase-induced intensity noise into account. The result indicates that the established system not only preserves the capability of suppressing multiple-access interference (MAI), but also improves bit-error-rate performance as compared to the conventional coders employing simple on-off keying.

Original languageEnglish
Pages (from-to)241-248
Number of pages8
JournalOptics Communications
Volume229
Issue number1-6
DOIs
Publication statusPublished - 2004 Jan 2

Fingerprint

Arrayed waveguide gratings
keying
code division multiple access
decoders
coders
Routers
Code division multiple access
gratings
waveguides
multiple access
Multiple access interference
noise intensity
decoding
bit error rate
Bit error rate
Decoding
coding
costs
interference
configurations

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

Cite this

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abstract = "In this paper, an optical code-division multiple-access (OCDMA) system with complementary Walsh-Hadamard coded optical encoder/decoder configuration structured over arrayed-waveguide grating (AWG) routers is examined. In the proposed system, each network user requires only two AWG routers to accomplish spectral encoding and decoding for complementary keying, thus, resulting a simpler and low cost system. Performance of the proposed system is analyzed by taking the effect of phase-induced intensity noise into account. The result indicates that the established system not only preserves the capability of suppressing multiple-access interference (MAI), but also improves bit-error-rate performance as compared to the conventional coders employing simple on-off keying.",
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Complementary Walsh-Hadamard coded optical CDMA coder/decoders structured over arrayed-waveguide grating routers. / Huang, Jen Fa; Yang, Chao Chin; Tseng, Shin Pin.

In: Optics Communications, Vol. 229, No. 1-6, 02.01.2004, p. 241-248.

Research output: Contribution to journalArticle

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