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Red, green, and blue lasing enabled by single-exciton gain in colloidal quantum dot films

United States Patent

June 21, 2016
View the Complete Patent at the US Patent & Trademark Office
The methods and materials described herein contemplate the use films of colloidal quantum dots as a gain medium in a vertical-cavity surface-emitting laser. The present disclosure demonstrates a laser with single-exciton gain in the red, green, and blue wavelengths. Leveraging this nanocomposite gain, the results realize a significant step toward full-color single-material lasers.
Nurmikko; Arto V. (Providence, RI), Dang; Cuong (Providence, RI)
14/ 391,557
April 11, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made in part with government support under Grant No. DEFG02-07ER46387 awarded by Department of Energy/Basic Energy Sciences and Grant No. ECCS-1128331 awarded by National Science Foundation. The United States government has certain rights in this invention.