Patent · US Expired

Light modulators

US6111682A · kind A · utility

5Cited by
2References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 22, 1998
Grant dateAug 29, 2000
Priority date
Expiry dateSep 22, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2201/127
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A light modulator for modulating light upon application of a signal voltage, said light modulator including a substrate, an optical waveguide formed on a side of a front surface of the substrate, and first and secondary electrodes for applying the signal voltage to the light propagating through the optical waveguide, the first electrode being formed on a front surface side of the optical waveguide and including a main portion covering the front surface side of the optical waveguide and a first overhanging portion hanging over toward one side from the main portion.

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