The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 17, 2015
Filed:
Oct. 13, 2009
Maria Eloisa Castagna, Agrate Brianza, IT;
Anna Muscara', Agrate Brianza, IT;
Maria Eloisa Castagna, Agrate Brianza, IT;
Anna Muscara', Agrate Brianza, IT;
STMicroelectronics S.R.L., Agrate Brianza (MB), IT;
Abstract
A device having an FET structure for the emission of an optical radiation integrated on a substrate of a semiconductor material, includes a first mirror, a second mirror of a dielectric type and an active layer comprising a main zone designed to be excited to generate the radiation. The device also includes a first electrically conductive layer containing two doped regions constitutes a source well and a drain well between which a current flows, a second electrically conductive layer which constitutes a gate, and a dielectric region between the first and second layer, to space corresponding peripheral portions of the first and second layers so that the current is channeled in the main zone for generating excitation radiation. The first and second electrically conductive layers and the active layer define an optical cavity.