Applied Physics Letters · 2002 · 215 citations · 14 references
EngineeringElectrical EngineeringMaterials ScienceOptoelectronicsPhotonicsSemiconductor DevicesIntegrated PhotonicsOptical ResonatorsOptical SourcesPhotonic CrystalsPhotonic Integrated CircuitsSemiconductor LasersEffective IndexPhotonic Crystal CavitiesPhotonic Crystal LasersSingle-mode LasersSingle-mode OperationSingle-mode Semiconductor LasersTwo-dimensional Photonic CrystalsVertical-cavity Surface-emitting Lasers
A photonic-crystal vertical-cavity surface-emitting laser (PC-VCSEL) is proposed and demonstrated. The 850-nm-PC-VCSEL shows single-mode continuous-wave operation in the entire current range. The side-mode suppression ratio is 35–40 dB for the sample with the hole pitch (Λ) 5 μm and the hole diameter (a) 3.5 μm. The guiding effect of the single-defect triangular-lattice two-dimensional photonic crystal structure is experimentally observed and is explained by the effective index model.
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