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:
Dec. 17, 2019
Filed:
Mar. 30, 2018
Samsung Electronics Co., Ltd., Suwon-si, KR;
Jineun Kim, Suwon-si, KR;
Unjeong Kim, Osan-si, KR;
Hyochul Kim, Yongin-si, KR;
Yeonsang Park, Seoul, KR;
Moonil Jung, Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A tunable laser device is provided. The tunable laser device includes an active layer configured to generate first light by a first source; first and second reflective layers spaced apart from each other having the active layer disposed between the first reflective layer and the second reflective layer to form a resonance cavity; and a variable refractive index unit in the resonance cavity and having a refractive index being variable according to a second source, the second source being different from the first source.