Mantsevich Sergey N, Kupreychik Maxim I, Balakshy Vladimir I
Opt Express. 2020 Apr 27;28(9):13243-13259. doi: 10.1364/OE.391732.
The development of the optical frequency comb (OFC) generation and practical application methods is one of the most important and rapidly developing areas of the modern optical electronics. One of the comb types is acousto-optical (AO) OFCs. This type of OFCs is obtained by the multiple passage of an optical signal through a closed loop containing an acousto-optic frequency shifter (AOFS). Despite the fact that AO OFCs have been studied quite intensively lately, the published papers did not focus on the influence of the main element, the AO cell used as AOFS, parameters on the characteristics of the obtained optical comb, primarily on the comb spectral width, number of spectral components and its envelope shape. In this paper, we perform a theoretical analysis of all possiblities in paratellurite crystal wide-angle AO diffraction geometries in order to determine the most suitable for the application as AOFS in a frequency shifting loop.
光学频率梳（OFC）产生及实际应用方法的发展是现代光电子学中最重要且发展迅速的领域之一。梳状光的一种类型是声光（AO）OFC。这种类型的OFC是通过光信号多次通过包含声光频移器（AOFS）的闭环获得的。尽管最近对声光OFC进行了相当深入的研究，但已发表的论文并未关注主要元件（用作AOFS的AO单元）的参数对所获得的光学频率梳特性的影响，主要是对梳状光谱宽度、光谱分量数量及其包络形状的影响。在本文中，我们对黄碲矿晶体广角AO衍射几何结构中的所有可能性进行了理论分析，以确定最适合在频移环路中用作AOFS的结构。
