Xie Yuqi, Chen Liguo, Li Haojia, Yi Yunji
College of New Materials and New Energies, Shenzhen Technology University, Shenzhen 518118, China.
College of Integrated Circuits and Optoelectronic Chips, Shenzhen Technology University, Shenzhen 518118, China.
Polymers (Basel). 2023 Sep 11;15(18):3721. doi: 10.3390/polym15183721.
The thermo-optic effect is a crucial driving mechanism for optical devices. The application of the thermo-optic effect in integrated photonics has received extensive investigation, with continuous progress in the performance and fabrication processes of thermo-optic devices. Due to the high thermo-optic coefficient, polymers have become an excellent candidate for the preparation of high-performance thermo-optic devices. Firstly, this review briefly introduces the principle of the thermo-optic effect and the materials commonly used. In the third section, a brief introduction to the waveguide structure of thermo-optic devices is provided. In addition, three kinds of thermo-optic devices based on polymers, including an optical switch, a variable optical attenuator, and a temperature sensor, are reviewed. In the fourth section, the typical fabrication processes for waveguide devices based on polymers are introduced. Finally, thermo-optic devices play important roles in various applications. Nevertheless, the large-scale integrated applications of polymer-based thermo-optic devices are still worth investigating. Therefore, we propose a future direction for the development of polymers.
热光效应是光学器件的一种关键驱动机制。热光效应在集成光子学中的应用已得到广泛研究，热光器件的性能和制造工艺不断取得进展。由于具有高热光系数，聚合物已成为制备高性能热光器件的理想候选材料。首先，本综述简要介绍了热光效应的原理和常用材料。在第三部分，对热光器件的波导结构进行了简要介绍。此外，还综述了三种基于聚合物的热光器件，包括光开关、可变光衰减器和温度传感器。在第四部分，介绍了基于聚合物的波导器件的典型制造工艺。最后，热光器件在各种应用中发挥着重要作用。然而，基于聚合物的热光器件的大规模集成应用仍值得研究。因此，我们提出了聚合物未来的发展方向。
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