Polarisation state insensitive optical discriminator
US5317384A · kind A · utility
5Cited by
8References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 17, 1992 |
| Grant date | May 31, 1994 |
| Priority date | — |
| Expiry date | Jul 17, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/06
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A polarization state insensitive optical discriminator is provided by a Mach Zehnder interferometer (21, 22, 23, 24) constructed in polarization preserving optical fibre, and two optical fibre polarization beam splitters (20, 25). Each polarization beam splitter is interconnected with the interferometer in such a way that its two orthogonally polarized outputs are launched to opposite ends of the interferometer with the same state of polarization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.