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First demonstration of highly TM reflective and highly polarisation selective diffraction gratings (GIRO-gratings) for long wavelength VCSELs.
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First demonstration of highly reflective and highly polarization selective diffraction gratings (GIRO-gratings) for long-wavelength VCSEL's.
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Wet lateral oxidtion of AlGaAs for passive and active guided wave components.
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Epitaxial lateral overgrowth of GaN by OMVPE.
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InGaN/GaN MQW blue light emitting diodes grown by OMVPE.
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Experimental demonstration of high TM reflectivity in GaAs based GIRO-gratings in the wavelength region of 9-1 lmm.
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Experimental demonstration of'GIRO-gratings.