Bidirectional optical amplifier
US5815308A · kind A · utility
35Cited by
7References
10Claims
0Family size
Assignee
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Key dates
| Filing date | May 20, 1996 |
| Grant date | Sep 29, 1998 |
| Priority date | — |
| Expiry date | May 20, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/1608
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Bidirectional WDM transmission at 2.5 Gb/s using a bidirectional erbium-doped fiber amplifier (EDFA) is demonstrated over a distance of 300 km. A symmetrical EDFA configuration with a frequency tunable reflection attenuator is used as a bidirectional amplifier. Experimental results show that the allowable gain of the EDFA can be increased significantly while the associated bit error rate BER penalty remains negligible.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.