Asymmetric Design and Simulation of Ring-Defect Photonic Crystal Vertical-Cavity Surface-Emitting Lasers

Asymmetric Design and Simulation of Ring-Defect Photonic Crystal Vertical-Cavity Surface-Emitting Lasers

In this letter, the optical modes of a ring-defect photonic crystal vertical-cavity surface-emitting laser are calculated by the fully numerical solution of the scalar Helmholtz equation. We explain the experimentally observed higher order mode emission on the basis of optical loss discrimination. S...

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Veröffentlicht in:IEEE photonics technology letters 2011-12, Vol.23 (24), p.1869-1871
1. Verfasser: Nyakas, P.
Format: Artikel
Sprache:eng
Schlagworte:
Cavity resonators
Laser modes
Numerical simulation
Optical surface waves
photonic crystal (PC)
Photonic crystals
Ring lasers
Vertical cavity surface emitting lasers
vertical-cavity surface-emitting laser (VCSEL)
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Zusammenfassung:In this letter, the optical modes of a ring-defect photonic crystal vertical-cavity surface-emitting laser are calculated by the fully numerical solution of the scalar Helmholtz equation. We explain the experimentally observed higher order mode emission on the basis of optical loss discrimination. Special photonic crystal patterns that favor even higher order optical modes are designed and simulated. These modes are beyond the scope of previous simplified analysis.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2011.2170559