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. 22, 2011
Filed:
Sep. 29, 2009
Christopher T. Derose, Albuquerque, NM (US);
Roland Himmelhuber, Tucson, AZ (US);
Robert A. Norwood, Tucson, AZ (US);
Nasser N. Peyghambarian, Tucson, AZ (US);
Christopher T. DeRose, Albuquerque, NM (US);
Roland Himmelhuber, Tucson, AZ (US);
Robert A. Norwood, Tucson, AZ (US);
Nasser N. Peyghambarian, Tucson, AZ (US);
The Arizona Board of Regents on behalf of The University of Arizona, Tucson, AZ (US);
Abstract
A hybrid strip-loaded EO polymer/sol-gel modulator in which the sol-gel core waveguide does not lie below the active EO polymer waveguide increases the higher electric field/optical field overlap factor Γ and reduces inter-electrode separation d thereby lowering the modulator's half-wave drive voltage Vπ, reducing insertion loss and improving extinction. The strip-loaded modulator comprises an EO polymer layer that eliminates optical scattering caused by sidewall roughness due to etching. Light does not encounter rough edges as it transitions to and from the sol-gel and EO polymer waveguides. This reduces insertion loss.