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Forward – characteristics of LEDs without CBL, with SiO CBL,and with DBR CBL, respectively. The inset show the transmission spectra of these three samples.
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Forward – characteristics of LEDs without CBL, with SiOCBL,and with DBR CBL, respectively. The inset show the transmission spectra ofthese three samples.
Light output power as a function of injection current for LEDs withoutCBL, with SiO2 CBL, and DBR CBL, respectively. Insets show the light intensityprofiles luminescence distribution images of the LEDs without and withDBR CBL.