硫系拉曼光纤激光器研究进展

Research Progress in Chalcogenide Glass Raman Fiber Lasers

硫系玻璃具有优良的中红外光学透过性能、极高的线性和非线性折射率。近年来,硫系玻璃光纤中较高的受激拉曼效应在全光器件和级联激光器等方面的应用引起了研究者极大的关注。回顾了硫系玻璃拉曼光纤激光器的研究历程,包括对硫系级联拉曼光纤激光器、硫系微纳光纤拉曼光纤激光器和硫系拉曼光纤激光器的理论研究,指出了现有研究存在的问题,并对其发展前景进行了展望。

Chalcogenide glasses have many attractive characteristics including wide infrared transmittance, extremely high linear and nonlinear refractive indexes. Recently, stimulated Raman effects in chalcogenide glass fibers attract extensive attention for their potential applications in all-optical devices and cascade lasers. In this article, the research progress in chalcogenide glass Raman fiber lasers （RFLs） is reviewed, including cascaded chalcogenide RFL, microwire chalcogenide RFL, and theoretical studies of chalcogenide RFL. Current challenges in RFL are discussed their potential applications are summarized.