Photonic bands in two-dimensionally patterned multimode GaN waveguides for light extractionReport as inadecuate




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1 Materials Department 2 Laboratoire Charles Fabry de l-Institut d-Optique - Naphel LCFIO - Laboratoire Charles Fabry de l-Institut d-Optique

Abstract : We observe experimentally by photoluminescence the band structure and specific emission properties of an in-plane, light-diffracting photonic crystal formed onto a multimode gallium nitride waveguide. Clear-cut two-dimensional photonic crystal effects are reported. Comparison with modeling results in identification of the band structure, provides insight into the light diffraction mechanism and points out design issues for enhancement of the extraction efficiency.





Author: Aurélien David - Cedrik Meier - Rajat Sharma - Frederic S. Diana - Steven P. Denbaars - Evelyn Hu - Shuji Nakamura - Claude Weis

Source: https://hal.archives-ouvertes.fr/



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