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提出了一种基于半导体光放大器(SOA)的光学向量矩阵乘法器(OVMM)的实现方法。与传统的向量矩阵乘法器相比,本文方法采用的是非空间光的实现方案,且SOA的增益补偿作用可对计算所得的光功率进行校正,从而提高计算精度。对提出的方法进行了1×2向量与2×2矩阵乘法运算的实验验证,结果表明可以实现向量矩阵乘法器的运算功能。利用SOA的大范围增益可调特性,可有效提高信号动态范围,利于多路信号间均匀性的改善,且易于集成。
A method based on semiconductor optical amplifier (SOA) for optical vector matrix multiplier (OVMM) is proposed. Compared with the traditional vector matrix multiplier, this method uses a scheme of non-spatial light, and the gain compensation effect of SOA can correct the calculated optical power to improve the calculation accuracy. The proposed method is validated by 1 × 2 vector and 2 × 2 matrix multiplication. The results show that the computing functions of vector matrix multiplier can be realized. With the wide range of gain adjustable characteristics of SOA, the dynamic range of the signal can be effectively improved, which is beneficial to the improvement of uniformity among multiple signals and is easy to integrate.