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

Jen-Fa Huang; Chen Mu Tsai; Chun Ming Huang

doi:10.1117/1.2214707

1 June 2006 Suppression of phase noises with residual-spectra eliminator in circulator-free fiber-grating optical code-division multiple-access network coder/decoder

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

Author Affiliations +

Optical Engineering, Vol. 45, Issue 6, 065006 (June 2006). https://doi.org/10.1117/1.2214707

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.

©(2006) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Jen-Fa Huang, Chen Mu Tsai, and Chun Ming Huang "Suppression of phase noises with residual-spectra eliminator in circulator-free fiber-grating optical code-division multiple-access network coder/decoder," Optical Engineering 45(6), 065006 (1 June 2006). https://doi.org/10.1117/1.2214707

Published: 1 June 2006

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