Abstract
Gain-clamped wavelength converter is a key device for hybrid WDM/TDM passive optical network (HPON) based on all-optical wavelength conversion (AOWC). In this paper, the overshoot characteristic in converted signals of GCWC is numerically analyzed based on single-mode rate equation and large-signal analysis. The simulation shows that overshoot of converted signals could be decreased by increasing the bias current, length of active region, or reducing input signal power. And it also reveals that reflectivity of fiber Bragg grating has little effect on it. According to the above, structure parameters and operating parameters of GCWC are optimized. The experimental investigation shows great agreement with theoretical calculation.
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