Patent · US Expired

Wavelength-tunable lasers

US6693946B2 · kind B2 · utility

3Cited by
6References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 14, 2001
Grant dateFeb 17, 2004
Priority date—
Expiry dateOct 14, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S5/141
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A semiconductor laser includes first and second laser cavities. The first and second cavities share a common optical gain medium and lase at different wavelengths.

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