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Optical vector analysis based on double-sideband modulation and stimulated Brillouin scattering

机译：基于双边带调制和受激布里渊散射的光学矢量分析

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摘要

A high-resolution and high-accuracy optical vector analysis based on optical double-sideband modulation and stimulated Brillouin scattering is proposed and experimentally demonstrated. Different from the conventional OVA based on optical single-sideband modulation, in which the measurement range is limited by the bandwidth of the microwave and optoelectronic components, and the measurement accuracy is restricted by the high-order sidebands, the proposed technique measures the magnitude and phase responses by making use of both +/- 1st-order sidebands without spectrum response aliasing. As a result, the measurement range is doubled, and the high-order, sideband-induced errors only appear at specific frequencies that are predictable and removable. A proof-of-concept experiment is carried out. The transmission response of a fiber Bragg grating, in a range of 80 GHz, is measured with a resolution of less than 667 kHz by using 40 GHz microwave components. (C) 2016 Optical Society of America
机译：提出并实验证明了基于光学双边带调制和受激布里渊散射的高分辨率和高精度光学矢量分析。与常规的基于光学单边带调制的OVA不同，在传统的OVA中，测量范围受微波和光电组件的带宽限制，而测量精度受高阶边带限制，所提出的技术可测量幅度和幅度。通过使用两个+/-一阶边带实现相位响应，而没有频谱响应混叠。结果，测量范围扩大了一倍，并且高阶边带引起的误差仅出现在可预测和可消除的特定频率上。进行了概念验证实验。通过使用40 GHz微波组件，可以在小于667 kHz的分辨率下测量80 GHz范围内的光纤布拉格光栅的传输响应。 （C）2016美国眼镜学会

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