Time division multiplexing (TDM) based optical ternary content addressable memory (TCAM)
US11200929B1 · kind B1 · utility
2Cited by
10References
7Claims
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Key dates
| Filing date | Jun 18, 2020 |
| Grant date | Dec 14, 2021 |
| Priority date | — |
| Expiry date | Jun 18, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C15/04
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Systems and methods for an optical ternary content addressable memory (TCAM) are provided. The optical TCAM implements a time-division multiplexing (TDM) based encoding scheme to encode each bit position of a search word in the time domain. Each bit position is associated with at least two time slots. The encoded optical signal comprising the search word is routed through one or more modulators configured to represent a respective TCAM stored word. If a mismatch between at least one bit position of the search word and at least one TCAM stored word occurs, a photodetector or photodetector array will detect light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.