Optical modulators
US10135542B2 · kind B2 · utility
4Cited by
7References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 2017 |
| Grant date | Nov 20, 2018 |
| Priority date | — |
| Expiry date | Feb 10, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2201/16
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optoelectronic device. The optoelectronic device operable to provide a PAM-N modulated output, the device comprising: M optical modulators, M being an integer greater than 1, the M optical modulators being arranged in a cascade, the device being configured to operate in N distinct transmittance states, as a PAM-N modulator, wherein, in each transmittance state of the N distinct transmittance states, each of the M optical modulators has applied to it a respective control voltage equal to one of: a first voltage or a second voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.