A novel approach to all-optical wavelength conversion by utilizing a reflective semiconductor optical amplifier in a co-propagation scheme

L. Q. Guo, M. J. Connelly

Research output: Contribution to journalArticlepeer-review

Abstract

Nonlinear optical gain modulation in an InGaAsP/InP bulk reflective semiconductor optical amplifier (RSOA) is studied. The differences of the optical properties between RSOAs and conventional SOAs are initially investigated. All-optical wavelength conversion based on nonlinear gain modulation in RSOAs is demonstrated at a bit rate of 2.488 Gbit/s. It is shown that a bit-error-rate of <10-9 can be achieved and an extinction ratio of >9 dB can be obtained at a bit rate of 2.488 Gbit/s with a 231-1 non-return-to-zero (NRZ) pseudorandom bit sequence (PRBS). In comparison with conventional SOAs, wavelength conversion by RSOAs shows much improved performances in high-speed all-optical wavelength conversions.

Original languageEnglish
Pages (from-to)4470-4473
Number of pages4
JournalOptics Communications
Volume281
Issue number17
DOIs
Publication statusPublished - 1 Sep 2008

Keywords

  • All-optical wavelength conversion
  • Nonlinear gain modulation
  • Reflective semiconductor optical amplifier

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