College of Optical Sciences, University of Arizona, Tucson, Arizona 85721, USA.
Opt Lett. 2012 Mar 1;37(5):942-4. doi: 10.1364/OL.37.000942.
We report on a new platform for all-optical switching based on inverse Raman scattering in liquids. Narrowband switching, which could be suitable for wavelength-division-multiplexed applications, is demonstrated using integrated liquid-core optical fiber infiltrated with both neat liquids (CCl(4) and CS(2)) as well as an organic chromophore (β-carotene) dissolved in CCl(4). Compared to standard glass optical fibers, these liquids have much larger Raman loss coefficients, which help reduce the pump power by at least an order of magnitude. Further improvements can be expected with the development of highly soluble organic compounds possessing large Raman cross sections.
我们报告了一种基于液体中反向拉曼散射的全光交换新平台。窄带交换可以适用于波分复用应用，通过在充满纯液体（CCl(4) 和 CS(2))以及溶解在 CCl(4) 中的有机发色团（β-胡萝卜素）的集成液体芯光纤中实现了这种交换。与标准玻璃光纤相比，这些液体具有大得多的拉曼损耗系数，这有助于将泵浦功率降低至少一个数量级。随着具有大拉曼截面的高可溶性有机化合物的发展，可以预期进一步的改进。
