Passive thermal compensation of all-fiber Mach-Zehnder interferometer
US6850654B2 · kind B2 · utility
4Cited by
10References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 8, 2002 |
| Grant date | Feb 1, 2005 |
| Priority date | — |
| Expiry date | Feb 8, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/29398
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention provides an all-fiber Mach-Zehnder interferometer in which the composition of one of the arms, which connect the couplers, or of a segment of such arm, is doped with dopants, such as GeO2, P2O5, B2O3 and F. The doping is adjusted to obtain a desired thermal dependence of the interferometer within a given temperature range. The segments can further be tapered with an adiabatic taper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.