Northwestern University has received final patent approval and issuance by the U.S. Patent and Trademark Office for the world's smallest laser -- a Microcavity Semiconductor Laser (Patent 5,825,799) -- and the laser's Photonic-Well Microcavity Light Emitting Device (Patent 5,790,583). The World Intellectual Property Organization has issued an international patent for the university's Semiconductor Micro-Resonator Device (International Patent WO 98/53535). Several other patents are pending.
The above story is based on materials provided by Northwestern University. Note: Materials may be edited for content and length.
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