Patent · US Expired

Buried heterostructure laser diode

US4425650A · kind A · utility

21Cited by
1References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 10, 1981
Grant dateJan 10, 1984
Priority date
Expiry dateApr 10, 2001

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S5/32391
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A buried heterostructure laser diode and method for making the same wherein an active layer is provided in a semiconductor region forming a mesa stripe, and, except for the top surface portion of the mesa stripe, the side surface portion of the mesa stripe and the remainder are covered by a current-blocking layer. Furthermore, a current-confining layer covers only this current-blocking layer, and a clad layer covers the current-blocking layer and the top surface portion of the mesa stripe.

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