Patent · US Expired

Devices with optical gain in silicon

US6734453B2 · kind B2 · utility

50Cited by
36References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 7, 2001
Grant dateMay 11, 2004
Priority date
Expiry dateAug 7, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S2301/173
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A photonic device includes a silicon semiconductor based superlattice. The superlattice has a plurality of layers that form a plurality of repeating units. At least one of the layers in the repeating unit is an optically active layer with at least one species of rare earth ion.

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