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:
Oct. 20, 2009
Filed:
May. 15, 2007
Ashish K. Verma, San Jose, CA (US);
Sumesh Mani K. Thiyagarajan, Fremont, CA (US);
David Bruce Young, Oakland, CA (US);
Yuk Lung Ha, San Jose, CA (US);
Roman Dimitrov, San Jose, CA (US);
Ashish K. Verma, San Jose, CA (US);
Sumesh Mani K. Thiyagarajan, Fremont, CA (US);
David Bruce Young, Oakland, CA (US);
Yuk Lung Ha, San Jose, CA (US);
Roman Dimitrov, San Jose, CA (US);
Finisar Corporation, Sunnyvale, CA (US);
Abstract
Embodiments disclosed herein relate to high-speed lasers such as FP and DFB lasers. In one embodiment, the high speed laser comprises a substrate, an active region positioned above the substrate, a mesa positioned above the active region, and one or more layers disposed between the active region and the mesa, wherein the thickness of at least one of the one or more layers is implemented to at least partially minimize the distance between the mesa and active region such that lateral current spreading between the mesa and the active region is at least partially minimized.