Two Yale University researchers have developed epitaxial distributed Bragg reflectors (DBRs) in nitride semiconductors with reflectivities of more than 98% [Danti Chen and Jung Han, Appl. Phys. Lett., vol101, p221104, 2012]. Further, the ...
The next technological challenge for the Solid-state lighting industry is the transition to silicon wafers. Everybody knows that silicon offers many advantages in terms of cost and availability. Nevertheless, the changeover bears many ...
Tags: LED
Hamamatsu reports record-power-density VCSEL Hamamatsu Photonics K.K.has reported the first demonstration of 10-watt-class output power for a vertical-cavity surface-emitting laser(VCSEL)array with ion-implanted isolated current ...
Tags: Hamamatsu, Record-Power-Density, current apertures, VCSEL
Gadolinium oxide on a silicon substrate is suitable for integration with conventional light–emitting nitride layers, says start-up. The early-stage Californian materials company Translucent is touting a novel approach to gallium ...
Tags: market view, led
Gadolinium oxide on a silicon substrate is suitable for integration with conventional light–emitting nitride layers, says start-up. The early-stage Californian materials company Translucent is touting a novel approach to gallium ...
Tags: led