Patent · US Expired

Direct amplitude modulation of lasers

US5901164A · kind A · utility

5Cited by
1References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 30, 1997
Grant dateMay 4, 1999
Priority date
Expiry dateMay 30, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S5/06258
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A DFB laser is provided with a top electrode divided symmetrically into two or three in-line separate elements through which a bias current is applied with a symmetrical distribution and through which a modulation current is applied in push-pull with a temporal asymmetry.

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