Patent · US Expired

Thermo-optic semiconductor device

US6849914B2 · kind B2 · utility

9Cited by
2References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 30, 2002
Grant dateFeb 1, 2005
Priority date
Expiry dateJun 5, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/0147
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A thermo-optic semiconductor device has one semiconductor region providing an optical waveguide and an adjacent semiconductor region providing a resistive heater between two doped regions, current may be passed through the resistive heater within the adjacent semiconductor region to heat it and thereby vary the optical characteristics of the waveguide.

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