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The Role of InGaN Quantum Barriers in Improving the Performance of GaN-based Laser Diodes


Abstract: "In this work, different aspects which have influences on device performance of blue laser diodes (LDs) when using InGaN instead of GaN as quantum barrier (QB) layers are investigated theoretically and experimentally. In the modeling calculation, it is found that the threshold current of LDs with InGaN QB layers is reduced obviously, but the slope efficiency is not largely improved... » read more

Manufacturing Bits: July 5


World’s largest telescope China stunned the industry last month, when the nation rolled out the world’s fastest supercomputer. The system, dubbed the Sunway TaihuLight, is based on processors made in China, not Intel or other U.S. chipmakers. Now, China has nearly finished the construction of the world’s largest radio telescope. The system, dubbed the Five-hundred-meter Aperture Sphe... » read more