Patent · US Active

Electrically-controllable 3D optical waveguide switch with phase change materials

US11231635B2 · kind B2 · utility

5Cited by

3References

18Claims

0Family size

Assignee

HRL Laboratories, LLC · US

Inventors

Jeong-Sun Moon · Moorpark, US
Ryan G. Quarfoth · Los Angeles, US
Kangmu Lee · Culver City, US

Key dates

Filing date	Nov 18, 2020
Grant date	Jan 25, 2022
Priority date	—
Expiry date	Nov 18, 2040

Classification

Technology area (CPC G)Physics
CPC primaryG02F2202/10
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A vertical directional coupler or switch comprising a lower and an upper waveguide, integrated with an optical phase change material disposed between the lower and upper waveguides to control a directional of optical coupling between the lower and upper waveguides.

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