Countries
Institutions
Fields
Rankings
Compare

Search institutions, scholars, countries and publications

Sankore

Named after the University of Sankore in Timbuktu — one of the world’s oldest centres of learning. Every figure here is computed from work-level records in our own graph, never copied from a source’s summary count.

Built from

OpenAlex — works, authorships, subject classification
ROR — institutional identity
ORCID — researcher identity
Crossref — publisher confirmation

Browse

Countries
Institutions
Fields
Rankings
What we cover

Coverage is partial and says so. A country appears with its research output only once its works have been swept; until then the portal shows whatever the graph happens to hold for it and labels it as exactly that.

First-Principle Study of Optical Properties in Erbium-Doped Fibres for Enhanced Optical Signal Amplification

2025Physics AccessJournalOpen access

10.47514/phyaccess.2025.5.1.010 Full text0 citations

Authors

11 authors across 2 institutions in 1 country.

Umaru B MachuFirst author
- Nigerian Defence Academy (NG)
Haruna Ali
- Nigerian Defence Academy (NG)
Mohammed Y Onimisi
- Nigerian Defence Academy (NG)
Joshua Adeyemi Owolabi
- Nigerian Defence Academy (NG)
as printed: Joshua A Owolabi
C. O. Akusu
- Nigerian Defence Academy (NG)
as printed: Christiana O Akusu
Hassan G Muhammad
- Nigerian Defence Academy (NG)
Ugbe Raphael Ushiekpan
- Nigerian Defence Academy (NG)
as printed: Ugbe R Ushiekpan
Abubakar Dalhat
- Nigerian Defence Academy (NG)
Stephen C. Nnochin
- Nigerian Defence Academy (NG)
as printed: Stephen C Nnochin
Shuaibu Alhassan
- Kaduna State University (NG)
as printed: Alhassan Shuaibu
Isaac H DanielSenior author
- Kaduna State University (NG)

Fields

Assignment is probabilistic — a work belongs to several fields in proportions.

Optical Network Technologieslevel 3 · 0.99
Advanced Fiber Optic Sensorslevel 3 · 0.99
Semiconductor Lasers and Optical Deviceslevel 3 · 0.98

Sources

Several sources describing one work is the point — it means the record rests on more than one authority.

openalexseen September 9, 2026
2025 · Physics Access · 0 citations
https://openalex.org/W4410039595

First-Principle Study of Optical Properties in Erbium-Doped Fibres for Enhanced Optical Signal Amplification · Sankore