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采用半导体光放大器(SOA)中的瞬态交叉相位调制效应是实现高速全光信号处理的有效途径.利用SOA和带宽为0.4nm的窄带滤波器同时实现了重复频率为10GHz、脉冲宽度为10ps的同相和反相全光波长转换.当滤波器的中心波长相对于探测光载波波长蓝移0.25nm或者红移0.05nm时,得到反相波长转换;当滤波器的中心波长相对于探测光波长蓝移0.29nm或者红移0.25nm时,得到同相的波长转换.同时用数值模拟了从同相到反相波长转换的极性演化过程,理论分析和实验结果基本相符.
The transient cross-phase modulation effect in semiconductor optical amplifier (SOA) is an effective way to achieve high-speed all-optical signal processing.Using SOA and narrow-band filter with bandwidth of 0.4nm, we can achieve a 10GHz repetition rate with a pulse width of 10ps Inverted and Inverted All-Optical Wavelength Conversion When the center wavelength of the filter is blue-shifted by 0.25 nm or red-shifted by 0.05 nm relative to the wavelength of the probe optical carrier, an inverted wavelength conversion is obtained. When the center wavelength of the filter relative to the wavelength of the probe blue When the wavelength is 0.29nm or redshift 0.25nm, the wavelength conversion in the same phase is obtained. The polarity evolution from the in-phase to the inversion wavelength is numerically simulated. The theoretical analysis and experimental results are basically consistent.