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:
Jan. 31, 2012
Filed:
Apr. 29, 2009
Wei Wu, Palo Alto, CA (US);
Alexandre M. Bratkovski, Mountain View, CA (US);
Shih-yuan Wang, Palo Alto, CA (US);
Jingjing LI, Palo Alto, CA (US);
Qiangfei Xia, Menlo Park, CA (US);
Wei Wu, Palo Alto, CA (US);
Alexandre M. Bratkovski, Mountain View, CA (US);
Shih-Yuan Wang, Palo Alto, CA (US);
Jingjing Li, Palo Alto, CA (US);
Qiangfei Xia, Menlo Park, CA (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
Various embodiments of the present invention are directed to external, electronically controllable, negative index material-based modulators. In one aspect, an external modulator comprises a negative index material in electronic communication with an electronic signal source. The negative index material receives an electronic signal encoding data from the electronic signal source and an unmodulated carrier wave from an electromagnetic radiation source. Magnitude variations in the electronic signal produce corresponding effective refractive index changes in the negative index material encoding the data in the amplitude and/or phase of the carrier wave to produce an electromagnetic signal.