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首页> 外文期刊>IEEE Journal of Quantum Electronics >Relationship Between the Slowing and Loss in Optical Delay Lines
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Relationship Between the Slowing and Loss in Optical Delay Lines

机译：光延迟线中的损耗与损耗之间的关系

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摘要

In this paper, we demonstrate the relation between the amount of slowing and the amount of insertion loss in an optical slow wave structure when the material used has finite absorption. The delay properties are calculated as a function of wavelength for a single Fabry-Perot resonator and a delay line consisting of multiple coupled resonators. In all of these delay lines, if the amount of delay increases, the insertion loss of the line likewise increases. For low material loss, the normalized increase in delay is equal to the normalized increase in insertion loss. We also compare a coupled resonator delay line to a simple waveguide made of the same material and with the same amount of delay. The simple waveguide always has less insertion loss than the coupled resonator line because of the unavoidable reflection from the coupled resonator line. Even in the case of an asymmetric mirror delay line with zero reflection at the input, the simple waveguide has less insertion loss.
机译：在本文中，我们证明了当所使用的材料具有有限吸收率时，在慢波光学结构中减慢量和插入损耗量之间的关系。对于单个Fabry-Perot谐振器和由多个耦合谐振器组成的延迟线，将延迟特性计算为波长的函数。在所有这些延迟线中，如果延迟量增加，则线的插入损耗同样增加。对于低的材料损耗，延迟的标准化增加等于插入损耗的标准化增加。我们还将耦合谐振器延迟线与由相同材料和相同延迟量制成的简单波导进行比较。由于不可避免地会从耦合谐振器线反射，因此简单波导总是比耦合谐振器线具有更少的插入损耗。即使在输入端反射为零的非对称镜面延迟线的情况下，简单波导的插入损耗也较小。

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