Patent · US Expired

Semiconductor devices incorporating multilayer interference regions

US4947223A · kind A · utility

26Cited by
19References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 31, 1987
Grant dateAug 7, 1990
Priority date
Expiry dateAug 31, 2007

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S5/34313
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A semiconductor high reflector comprising a number of thin alternating layers of semiconductor materials is electrically tunable and may be used as a temperature insensitive semiconductor laser in a Fabry-Perot configuration.

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