Patent · US Active

Semiconductor laser element

US8548023B2 · kind B2 · utility

1Cited by
2References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 2008
Grant dateOct 1, 2013
Priority date
Expiry dateDec 5, 2028

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S2304/04
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A semiconductor laser element includes a laminate composed of a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer; and a second embedded layer that is in contact with the second conductivity type semiconductor layer, has a stripe-like groove parallel to the cavity direction, and is composed of an insulator, the groove is embedded with a first embedded layer composed of a dielectric on the cavity end face side, and with a conductive layer on the inside.

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