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:
Jul. 02, 2013
Filed:
Aug. 28, 2009
Reinhard Kunkel, Grünheide, DE;
Martin Schell, Berlin, DE;
Inigo Molina-fernandez, Málaga, ES;
Gonzalo Wangümert Perez, Málaga, ES;
Alejandro Ortega Monux, Málaga, ES;
Reinhard Kunkel, Grünheide, DE;
Martin Schell, Berlin, DE;
Inigo Molina-Fernandez, Málaga, ES;
Gonzalo Wangümert Perez, Málaga, ES;
Alejandro Ortega Monux, Málaga, ES;
Abstract
A multimode interference coupler includes at least one supply waveguide and at least one output waveguide, wherein the coupler has along its longitudinal extent in the direction of the supply waveguide at least one longitudinal section in which the refractive index has a locally oscillating profile in a direction running substantially at right angles to the direction of the supply waveguide. A method for the structural configuration of such a multimode interference coupler.