Method for writing a planar waveguide having gratings of different center wavelengths
US6983091B2 · kind B2 · utility
2Cited by
9References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 3, 2004 |
| Grant date | Jan 3, 2006 |
| Priority date | — |
| Expiry date | Aug 3, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2006/12176
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Multiple Bragg gratings are fabricated in a single planar lightwave circuit platform. The gratings have nominally identical grating spacing but different center wavelengths, which are produced using controlled photolithographic processes and/or controlled doping to control the effective refractive index of the gratings. The gratings may be spaced closer together than the height of the UV light pattern used to write the gratings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.