Abstract
Modern optical networks are adopting advanced modulation formats. Future
dynamic optical networks will benefit from all-optical wavelength conversion
and signal regeneration techniques in support of multiple modulation
formats. This paper presents a concept for a modulation-format-independent
wavelength conversion technique based on an optical hybrid and an
in-phase/quadrature (IQ) wavelength converter. This technique has the
potential for wavelength conversion and signal regeneration of multiple
modulation formats. This paper also discusses the signal distortions and
noises in the semiconductor optical amplifier based IQ wavelength converter.
A proof-of-principle experiment shows the wavelength conversion results of
multiple modulation formats. Further, this paper presents the signal
regeneration of a return-to-zero quadrature-phase-shifted-keying signal
through simulation.
© 2010 IEEE
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