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Numerical study of near-field writing on a phase-change optical disk
Kari Kataja1, Janne Aikio, Dennis G Howe
1VTT Electronics, Oulu, Finland.
Applied Optics
|July 27, 2002
Abstract:
Absorption in the phase-change layer of an optical disk located in the near field of a Fabry-Perot laser diode is studied with a combination of finite-difference time domain (FDTD) analysis and a phenomenological laser model that predicts the operational characteristics of a laser diode. Some numerical simulations are performed and results are presented. In addition, the combined FDTD/laser-simulation model is described briefly.