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Proceedings Paper

Dynamic whispering gallery mode behavior in microdisks
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Paper Abstract

The spatio-temporal dynamics of whispering gallery modes in microdisk lasers is studied by time-domain computer simulations based on full vectorial Maxwell-Bloch equations. In particular, we focus on the spatial interaction of the optical mode with the inversion density of the active material. The electromagnetic field evolution described by the Maxwell curl equations are solved with a full three-dimensional finite-difference in time-domain algorithm with uniaxial perfectly matching layer boundary conditions. The nonlinear active material is modelled via optical Bloch equations that are transformed to real value differential equations which can be computed efficiently and highly accurately. Our computer simulations give insight into the internal interrelated carrier-light-field dynamics of microdisk lasers and reveal fundamental aspects of the progression of degenerated modes in nonlinear active material through spatial hole burning.

Paper Details

Date Published: 18 August 2004
PDF: 9 pages
Proc. SPIE 5451, Integrated Optics and Photonic Integrated Circuits, (18 August 2004); doi: 10.1117/12.545444
Show Author Affiliations
Andreas Klaedtke, Univ. of Surrey (United Kingdom)
Ortwin Hess, Univ. of Surrey (United Kingdom)


Published in SPIE Proceedings Vol. 5451:
Integrated Optics and Photonic Integrated Circuits
Giancarlo C. Righini; Seppo Honkanen, Editor(s)

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