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30 September 2005 Ultrabroad tunable wavelength conversion with uniform efficiency and signal-to-noise ratio
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By using two orthogonally-polarized pump beams, an ultrabroad tunable wavelength converter is demonstrated with uniform efficiency and equalized signal-to-noise ratio (SNR) through four-wave mixing (FWM) in an 1500-nm semiconductor optical amplifier (SOA). This device allows the conversion of the input data signal to lower or higher frequencies with nearly-constant conversion efficiency and SNR over a 10.66 THz tuning range. This result is a significant improvement of both the conversion efficiency and the SNR as compared with the conventional FWM-based wavelength converters. We have also investigated the effect of parameters of both input power and wavelength of pump P2 on conversion efficiency and SNR of the wavelength-converted signals.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Z. G. Lu, P. Lin, F. G. Sun, P. Bock, S. Zhou, X. P. Zhang, and T. Hall "Ultrabroad tunable wavelength conversion with uniform efficiency and signal-to-noise ratio", Proc. SPIE 5971, Photonic Applications in Nonlinear Optics, Nanophotonics, and Microwave Photonics, 59710V (30 September 2005);

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