Abstract
Phase-coded optical signal was spectrally translated from the conventional
near-infrared communication band to the visible band. Spectrally narrow 780-nm
pump was combined with phase-modulated 1575-nm signal in a small core photonic
crystal fiber (PCF), to generate 518-nm idler through parametric process.
The phase-modulated idler carrying 1-Gbps information was received in an error-free
manner. The onset of the stimulated Brillouin scattering (SBS) was found to
be a major limitation for conversion efficiency and noise performance. The
SBS effect and the birefringence properties of the small core PCF were studied
at both 780 and 1550 nm and their impact on the parametric process was analyzed.
© 2008 IEEE
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