KALUZA, Mateusz; POGORZELEC, Konrad; LESIAK, Piotr. Hologram-based architecture for fan-in coupling in four-core fibers. Photonics Letters of Poland, [S. l.], v. 17, n. 4, p. 88–90, 2025. DOI: 10.4302/plp.v17i4.1375. Disponível em: http://m.photonics.pl/PLP/index.php/letters/article/view/17-29. Acesso em: 14 jan. 2026.