Pillsbury Winthrop Shaw Pittman LLP
Laser based on quantum dot activated media with forster resonant energy transfer excitation
A laser gain medium. The novel laser gain medium includes a host material, a plurality of quantum dots dispersed throughout the host material, and a plurality of laser active ions surrounding each of the quantum dots. The laser active ions are disposed in close proximity to the quantum dots such that energy absorbed by the quantum dots is non-radiatively transferred to the ions via a Forster resonant energy transfer, thereby exciting the ions to produce laser output. In an illustrative embodiment, each quantum dot is surrounded by an external shell doped with the laser active ions.
Raytheon Company Evident Technologies, Inc.
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Kalin Wei Michael Alexander A.
Spariosu Liu LoCascio Betin