Patent · US Expired

Active wavelength selection with resonant devices

US6215928A · kind A · utility

131Cited by
9References
44Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 25, 1999
Grant dateApr 10, 2001
Priority date—
Expiry dateOct 25, 2019

Classification

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

Abstract

This invention discloses an electro-optically controlled optical element including a diffraction grating, and a planar waveguide associated with the diffraction grating, the diffraction grating and planar waveguide being configured to undergo resonance of at least one of transmitted or reflected light at a wavelength which is selectable by means of an electrical input.

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