Integrated optical circulator enabling polarization diversity
US11340468B2 · kind B2 · utility
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12References
42Claims
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Key dates
| Filing date | Aug 5, 2020 |
| Grant date | May 24, 2022 |
| Priority date | — |
| Expiry date | Aug 5, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/4246
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photonic integrated circulator can be fabricated by including a plurality of polarizing beam splitters and optical polarization rotators such that two copies of the optical signal are output at a receiver in substantially aligned polarization states. The circulator can be used for facilitating bi-directional communications between photonic integrated circuit devices, which are inherently polarization sensitive, while reducing signal loss.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.