Device and method for optical performance monitoring in an optical communications network
US6577786B1 · kind B1 · utility
11Cited by
48References
67Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2000 |
| Grant date | Jun 10, 2003 |
| Priority date | — |
| Expiry date | Nov 30, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/0201
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical performance monitoring device and corresponding diffraction grating are disclosed for utilization within a fiber optic communications network. The diffraction grating includes a substrate and reflective material adjacent the substrate, wherein the diffraction grating is substantially polarization insensitive over a wavelength range of approximately 30 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.