Suppression of phase noises with residual-spectra eliminator in circulator-free fiber-grating optical code-division multiple-access network coder/decoder

Jen-Fa Huan, Chen Mu Tsai, Chun Ming Huang

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this work, transmissive spectral characteristics of fiber Bragg gratings (FBGs) are applied to construct a circulator-free scheme of an optical code-division multiple-access (OCDMA) network coder/decoder (codec). The unnecessary spectra would accompany the coding chips to arrive at the photodetectors (PDs) to induce higher phase-induced intensity noise (PIIN) and multiple-access interference (MAI). A residual-spectra eliminator (RSE) between OCDMA encoder and decoder modules is employed to remove the unnecessary spectral parts of data so that the PIIN and MAI can be reduced. A simple experiment performed on the basis of transmissive spectral characteristics of FBGs together with RSE is demonstrated to verify the capability of suppressing residual-spectra noise at the PDs. Performance evaluations indicate that using RSE between network codecs can remarkably lower the PIIN effects in the receiver PDs.

Original languageEnglish
Article number065006
JournalOptical Engineering
Volume45
Issue number6
DOIs
Publication statusPublished - 2006 Jun 1

Fingerprint

code division multiple access
decoders
Diffraction gratings
Phase noise
coders
Photodetectors
Code division multiple access
noise intensity
Multiple access interference
retarding
gratings
Fiber Bragg gratings
photometers
multiple access
fibers
Fibers
Bragg gratings
interference
noise spectra
coding

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Engineering(all)

Cite this

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title = "Suppression of phase noises with residual-spectra eliminator in circulator-free fiber-grating optical code-division multiple-access network coder/decoder",
abstract = "In this work, transmissive spectral characteristics of fiber Bragg gratings (FBGs) are applied to construct a circulator-free scheme of an optical code-division multiple-access (OCDMA) network coder/decoder (codec). The unnecessary spectra would accompany the coding chips to arrive at the photodetectors (PDs) to induce higher phase-induced intensity noise (PIIN) and multiple-access interference (MAI). A residual-spectra eliminator (RSE) between OCDMA encoder and decoder modules is employed to remove the unnecessary spectral parts of data so that the PIIN and MAI can be reduced. A simple experiment performed on the basis of transmissive spectral characteristics of FBGs together with RSE is demonstrated to verify the capability of suppressing residual-spectra noise at the PDs. Performance evaluations indicate that using RSE between network codecs can remarkably lower the PIIN effects in the receiver PDs.",
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Suppression of phase noises with residual-spectra eliminator in circulator-free fiber-grating optical code-division multiple-access network coder/decoder. / Huan, Jen-Fa; Tsai, Chen Mu; Huang, Chun Ming.

In: Optical Engineering, Vol. 45, No. 6, 065006, 01.06.2006.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Suppression of phase noises with residual-spectra eliminator in circulator-free fiber-grating optical code-division multiple-access network coder/decoder

AU - Huan, Jen-Fa

AU - Tsai, Chen Mu

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AB - In this work, transmissive spectral characteristics of fiber Bragg gratings (FBGs) are applied to construct a circulator-free scheme of an optical code-division multiple-access (OCDMA) network coder/decoder (codec). The unnecessary spectra would accompany the coding chips to arrive at the photodetectors (PDs) to induce higher phase-induced intensity noise (PIIN) and multiple-access interference (MAI). A residual-spectra eliminator (RSE) between OCDMA encoder and decoder modules is employed to remove the unnecessary spectral parts of data so that the PIIN and MAI can be reduced. A simple experiment performed on the basis of transmissive spectral characteristics of FBGs together with RSE is demonstrated to verify the capability of suppressing residual-spectra noise at the PDs. Performance evaluations indicate that using RSE between network codecs can remarkably lower the PIIN effects in the receiver PDs.

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