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:
Apr. 02, 2013
Filed:
Dec. 03, 2009
Alexey Gubenko, Dortmund, DE;
Alexey Kovsh, Dortmund, DE;
Greg Wojcik, Santa Clara, CA (US);
Daniil Livshits, Dortmund, DE;
Igor Krestnikov, Dortmund, DE;
Sergey Mikhrin, Dortmund, DE;
Alexey Gubenko, Dortmund, DE;
Alexey Kovsh, Dortmund, DE;
Greg Wojcik, Santa Clara, CA (US);
Daniil Livshits, Dortmund, DE;
Igor Krestnikov, Dortmund, DE;
Sergey Mikhrin, Dortmund, DE;
Innolume GmbH, Dortmund, DE;
Abstract
A semiconductor laser comprises an electrically isolated active section and at least one noise reducing section and operates on a ground state transition of a quantum dot array having inhomogeneous broadening greater than 10 nm. The laser preferably emits more than 10 optical modes such that a total relative intensity noise of each optical mode is less than 0.2% in the 0.001 GHz to 10 GHz range. The spectral power density is preferably higher than 2 mW/nm. An optical transmission system and a method of operating a quantum dot laser with low relative intensity noise of each optical mode are also disclosed.