Laser emission device with integrated light modulator
US9160139B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2014 |
| Grant date | Oct 13, 2015 |
| Priority date | — |
| Expiry date | Jun 20, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/22
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Laser emission device with integrated light modulator comprising: a multilayer waveguide comprising, on a support layer, a first guiding layer, a first doped layer, a second guiding layer of light amplifying material, and a biasing second doped layer opposite the first doped layer, the waveguide comprising a laser amplification section (50), a light modulation section (52) comprising an extraction zone for radiating the light, a transition section (51) inserted between the laser amplification section and the light modulation section, a positive first electrode for injecting a pumping current into the laser amplification section, a positive second electrode for injecting a modulation signal into the modulation section, a negative third electrode, and a reference fourth electrode, the second doped layer comprising an electrical insulation situated in the transition section to form a resistive channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.