硫系集成光子学

Integrated Chalcogenide Photonics

高品质光子材料是集成光子学领域发展的重要基础。近年来,硅基硫系集成光子器件在光信息处理芯片和系统应用方面获得了广泛研究。梳理了硫系玻璃材料、集成光器件、系统应用之间的影响关系,介绍了超低损耗硫系集成光子器件的制备技术路线及其在光信息处理领域的最新研究进展。因硫系玻璃具有超大带宽的透光窗口、高克尔非线性、大光弹系数和易于片上混合集成等特点,硫系光子集成器件在光信息处理应用领域体现出多谱段、低阈值和多功能集成的优势。最后结合硫系材料特点,对硫系集成光子器件在未来多功能光子集成器件及高速光信息处理应用中的机遇和挑战进行了展望。

High-quality photonic materials are important basis for the development of integrated photonics.In recent years,integrated silicon-based chalcogenide photonic devices have been widely researched for optical information processing chips and systematic application.This paper reviews the influencing relationships among chalcogenide glass(ChG)materials,integrated photonic devices,and systematic application.Then,we outlines the technical route of preparing integrated chalcogenide photonic devices with ultra-low loss and the latest research progress of such devices in optical information processing.Integrated chalcogenide photonic devices show great advantages,such as multi-spectrum,low threshold,and multi-functional integration,in their application in optical information processing as ChGs are characterized by ultra-broadband transmission window,high Kerr nonlinearity,large photoelastic coefficient,and readiness for on-chip hybrid integration.Finally,on the basis of the characteristics of chalcogenide materials,this paper presents the opportunities and challenges for integrated chalcogenide photonic devices in future multifunctional integrated photonic devices and their application in high-speed optical information processing.