Optical amplifying device
US7130112B2 · kind B2 · utility
3Cited by
18References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 7, 2004 |
| Grant date | Oct 31, 2006 |
| Priority date | — |
| Expiry date | Oct 7, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/5072
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The optical amplifying device comprises a DFB laser 22 formed on an n type InP substrate 10, for outputting control light; a symmetrical Mach-Zehnder interferometer 12 formed on the n type InP substrate 10 and including 3 dB optical couplers 14, 16 having 2 input ports and 2 output ports, and optical waveguides 24a, 24b which optically interconnect the output port of the 3 dB optical coupler 14 and the input port of the 3 dB optical coupler 16; and SOAs 24a, 24b respectively formed in the optical waveguides 24a, 24b.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.