A Discontinuous Galerkin Time-Domain Scheme to Simulate Semiconductor Lasers

Ming Dong, Liang Chen, Ran Zhao, Hakan Bagci

Research output: Chapter in Book/Report/Conference proceedingConference contribution


A computational framework, which relies on the discontinuous Galerkin time-domain scheme, is proposed to simulate transient lasing generated by interactions of light with an active medium. The proposed scheme solves a coupled system of the Maxwell and the rate equations. The active medium inside the laser region is described quantum-mechanically by the rate equations to account for the atomic transitions of a multi-level system, while electromagnetic field interactions are described classically by the Maxwell equations. Numerical examples are provided to demonstrate the accuracy and the applicability of the proposed framework.
Original languageEnglish (US)
Title of host publication2023 17th European Conference on Antennas and Propagation (EuCAP)
StatePublished - May 31 2023


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