Optical modulator
US11099454B2 · kind B2 · utility
1Cited by
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27Claims
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Key dates
| Filing date | Mar 22, 2018 |
| Grant date | Aug 24, 2021 |
| Priority date | — |
| Expiry date | May 18, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2202/06
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method of operating an optical modulator. The optical modulator having: a rib waveguide which includes a junction which is either a PIN or PN junction, the junction having a breakdown voltage. The method comprising: applying a reverse bias to the junction, so as to operate the optical modulator around the breakdown voltage of the junction; operating the modulator in an avalanche multiplication and/or band-to-band tunnelling mode by increasing the reverse bias past the breakdown voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.