Photonic transmitter

US10725324B2 · kind B2 · utility

Assignee

• COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR

Inventors

• Karim Hassan · Auxerre, FR
• Yohan Desieres · Le Pont-de-Claix, FR
• Bertrand Szelag · Grenoble, FR

Key dates

• Filing date: Jul 22, 2019
• Grant date: Jul 28, 2020
• Expiry date: Jul 22, 2039

Classification

• Technology area (CPC G): Physics
• CPC primary: G02F2203/50
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

A photonic transmitter is provided, including a laser source including a first waveguide made of silicon and a second waveguide made of III-V gain material, the waveguides being separated from each other by a first segment of a dielectric layer; and a phase modulator including a first electrode made of single-crystal silicon and a second electrode made of III-V crystalline material, separated from each other by a second segment of the dielectric layer, where a thickness of the dielectric layer is between 40 nm and 1 μm, where a thickness of a dielectric material in an interior of the first segment is equal to the thickness of the dielectric layer, and where a thickness of the dielectric material in an interior of the second segment is between 5 nm and 35 nm, a rest being formed by a thickness of semiconductor material.