Other materials are also being pursued as blue-laser emitters. Development efforts are also under way in the United States. The work is partially funded by the Defense Advanced Research Projects Agency, which last year extended the two year-project. The two partners have been working on the structure for about two years and report progress in developing the process for building the laser structures. They have yet to report achievement of a fully functional device.
Current efforts center on improving the quality of the materials.
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