Optical switch based on parametric interaction
US7725037B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Nov 13, 2006 |
| Grant date | May 25, 2010 |
| Priority date | — |
| Expiry date | Jan 13, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/05
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method and apparatus for switching at least one wavelength component of an optical signal beam from a first state to a second state. The phase characterizing the optical signal component is incremented by interaction with one or more escort beams in a non-linear medium thereby switching the state of the optical signal component on the basis of its incremented phase. Multiple escort beams may also be employed to switch different wavelength components of the signal. The method may be employed to achieve high speed, and substantially transparent, switching of phase, intensity or polarization of a signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.