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:
Jun. 29, 1993
Filed:
Sep. 20, 1990
Applicant:
Inventor:
William P Risk, Mountain View, CA (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385122 ; 385 28 ; 385 50 ; 369112 ; 359328 ; 359332 ;
Abstract
A first section of a waveguide channel is made of a nonlinear crystal material. A second section of the waveguide has a plurality of diverging channels. Each of the diverging channels is of a width which supports one of the modes of second harmonic generated light from the first section. First order mode second harmonic light is obtained at the end of one of the diverging channels.