Zuo Haijie, Yu Shaoliang, Gu Tian, Hu Juejun
Opt Express. 2019 Apr 15;27(8):11152-11159. doi: 10.1364/OE.27.011152.
Single-mode polymer photonics is of significant interest to short-reach data communications, photonic packaging, sensing, and biophotonic light delivery. We report here experimental demonstration of mechanically flexible waveguides fabricated by using commercial off-the-shelf biocompatible polymers that claim a record low propagation loss of 0.11 dB/cm near 850 nm wavelength. We also show the excellent flexibility of the free-standing waveguides which can withstand repeated deformation cycles at millimeter bending radius without compromising their low-loss characteristics. High-performance passive optical components, such as waveguide Y-branches, multi-mode interferometers (MMIs), and waveguide crossings are also realized using the polymer photonics platform.
单模聚合物光子学在短距离数据通信、光子封装、传感以及生物光子光传输方面具有重大意义。我们在此报告了通过使用现成的商业生物相容性聚合物制造的机械柔性波导的实验演示，该聚合物在850纳米波长附近的传播损耗低至0.11分贝/厘米，创下了记录。我们还展示了独立式波导的出色柔韧性，它能够承受毫米级弯曲半径下的反复变形循环，而不影响其低损耗特性。此外，还利用聚合物光子学平台实现了高性能无源光学元件，如波导Y分支、多模干涉仪（MMI）和波导交叉。
