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. 13, 2017
Filed:
Nov. 18, 2013
Samsung Electronics Co., Ltd., Suwon-si, KR;
Sang-mo Cheon, Bucheon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
Provided are an optical switch and an optical logic device. The optical switch includes a plate having a nanometer-sized thickness, a first slit formed in the plate, through which a first light passes, a second slit formed in the plate, separately from the first slit, through which a second light selectively passes, a plurality of first grooves formed on a first side of the first slit, between the first slit and the second slit, and a plurality of second grooves formed on a second side of the first slit, opposite the first side. The first light and the second light may have a phase difference and a focusing of the first light is turned on/off by controlling the second light.