Patent · US Expired

Dual III-V nitride laser structure with reduced thermal cross-talk

US6618418B2 · kind B2 · utility

15Cited by

7References

21Claims

0Family size

Assignee

Xerox Corporation · US

Inventors

John E. Northrup · Palo Alto, US
Michael A. Kneissl · Berlin, DE

Key dates

Filing date	Nov 15, 2001
Grant date	Sep 9, 2003
Priority date	—
Expiry date	Nov 15, 2021

Classification

Technology area (CPC H)Electricity
CPC primaryH01S5/34333
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A dual III-V nitride laser structure has a thick current spreading layer on a sapphire substrate and a trench extending into the current spreading layer to reduce thermal cross-talk between the dual lasers.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.