title: Numerical modeling of transverse mode competition in strongly pumped multimode fiber lasers and amplifiers.
abstract: A model based on propagation-rate equations with consideration of transverse gain distribution is built up to describe the transverse mode competition in strongly pumped multimode fiber lasers and amplifiers. An approximate practical numerical algorithm by multilayer method is presented. Based on the model and the numerical algorithm, the behaviors of multitransverse mode competition are demonstrated and individual transverse modes power distributions of output are simulated numerically for both fiber lasers and amplifiers under various conditions.
authors.forename: Mali
authors.initials: M
authors.lastname: Gong
authors.forename: Yanyang
authors.initials: Y
authors.lastname: Yuan
authors.forename: Chen
authors.initials: C
authors.lastname: Li
authors.forename: Ping
authors.initials: P
authors.lastname: Yan
authors.forename: Haitao
authors.initials: H
authors.lastname: Zhang
authors.forename: Suying
authors.initials: S
authors.lastname: Liao