Laser based on quantum dot activated media with forster...

Details Laser based on quantum dot activated media with forster... Laser based on quantum dot activated media with forster...

2006-04-12

2011-11-01

Park, Kinam (Department: 2828)

Coherent light generators

Particular active media

C372S040000, C372S041000

Reexamination Certificate

active

08050303

ABSTRACT:
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.

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