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9 July 2001 Time-domain Green's functions of realistic VCSEL cavities
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Proceedings Volume 4283, Physics and Simulation of Optoelectronic Devices IX; (2001)
Event: Symposium on Integrated Optics, 2001, San Jose, CA, United States
In this work the optical cavity of a vertical-cavity surface-emitting laser (VCSEL) is analyzed with the goal of performing a coupled electro-optical simulation of the device. For this simulation, the eigenmodes and the eigenvalues of the optical cavity have to be obtained. A common approach is to treat Maxwell's equations in the frequency domain and to solve the resulting algebraic eigenvalue equation. As an alternative, the electromagnetic problem is solved in time-domain. The response of the optical cavity is calculated by the finite-difference time-domain (FDTD) method. The optical wave propagation is modeled rigorously, including evanescent and propagating waves. From the FDTD simulation, a steady state optical intensity pattern is extracted. The eigenvalues of the dominant modes are determined using a Pade type approximation.
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Andreas Witzig, Matthias Streiff, and Wolfgang Fichtner "Time-domain Green's functions of realistic VCSEL cavities", Proc. SPIE 4283, Physics and Simulation of Optoelectronic Devices IX, (9 July 2001);

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