Patent · US Active

Isolation of components on optical device

US8989522B2 · kind B2 · utility

10Cited by

15References

23Claims

0Family size

Assignee

Kotura, Inc. · US

Inventors

Wei Qian · Torrance, US
Dazeng Feng · Arcadia, US
Mehdi Asghari · Pasadena, US
Joan Fong · San Marino, US

Key dates

Filing date	May 9, 2012
Grant date	Mar 24, 2015
Priority date	—
Expiry date	Oct 31, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG02F2201/501
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The optical device includes an active component on a base. The active component is a light sensor and/or a light modulator. The active component including an active medium that includes a ridge and slab regions. The ridge extends upwards from the base and is positioned between the slab regions. The ridge defines a portion of a waveguide on the base. One or more isolation trenches each extends into the slab regions of the active medium and is at least partially spaced apart from the ridge of the active medium.

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