Control circuit for optoelectronic module with integrated temperature control
US7680160B2 · kind B2 · utility
0Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2007 |
| Grant date | Mar 16, 2010 |
| Priority date | — |
| Expiry date | Sep 6, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/0617
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A microprocessor is used to control the temperature of a laser emitter and thereby regulate the wavelength of optical signals from the laser. A serial interface in the microprocessor provides input and output lines to a host device, and temperature lookup tables are stored in nonvolatile memory. Control logic processes information stored in the memory as well as information on operating conditions of the laser emitter to precisely control the temperature of the laser emitter. A thermo-electric cooler adjusts the temperature of the laser emitter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.