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arXiv 1111.0251physics.optics
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集成液芯optical fibers --超高效非线性液体光子学

Integrated liquid-core optical fibers --- ultra-efficient nonlinear liquid photonics

K. Kieu, L. Schneebeli, R. A. Norwood, N. Peyghambarian

摘要:

我们开发了一种新型的基于液芯光纤的液体光子学集成平台。该平台是通过将液芯光纤熔接到标准单模光纤而创建的,使其完全集成和实用-这是一个重大挑战,极大地阻碍了液体光子应用的进展。作为一个例子,我们在这里报告的实现超低阈值拉曼产生使用集成CS2填充LCOF泵浦的亚纳秒脉冲在1064 nm和532 nm。斯托克斯产生的测量能量阈值约为1 nJ,比文献中先前报道的氢气值低约三个数量级。集成LCOF平台为超低功率非线性光学开辟了新的可能性,例如用于显示器的高效白光生成、中红外生成、慢光生成、参量放大、全光开关和波长转换,使用与石英玻璃相比具有数量级更大的光学非线性的液体。

英文摘要:

We have developed a novel integrated platform for liquid photonics based on liquid core optical fiber (LCOF). The platform is created by fusion splicing liquid core optical fiber to standard single-mode optical fiber making it fully integrated and practical - a major challenge that has greatly hindered progress in liquid-photonic applications. As an example, we report here the realization of ultralow threshold Raman generation using an integrated CS2 filled LCOF pumped with sub-nanosecond pulses at 1064nm and 532nm. The measured energy threshold for the Stokes generation is ~ 1nJ, about three orders of magnitude lower than previously reported values in the literature for hydrogen gas. The integrated LCOF platform opens up new possibilities for ultralow power nonlinear optics such as efficient white light generation for displays, mid-IR generation, slow light generation, parametric amplification, all-optical switching and wavelength conversion using liquids that have orders of magnitude larger optical nonlinearities compared with silica glass.

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