(19)
(11) EP 4 681 358 A1

(12)

(43) Date of publication:
21.01.2026 Bulletin 2026/04

(21) Application number: 23712831.9

(22) Date of filing: 15.03.2023
(51) International Patent Classification (IPC): 
H04J 14/02(2006.01)
(52) Cooperative Patent Classification (CPC):
H04J 14/021
(86) International application number:
PCT/EP2023/056647
(87) International publication number:
WO 2024/188463 (19.09.2024 Gazette 2024/38)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(71) Applicant: Telefonaktiebolaget LM Ericsson (publ)
164 83 Stockholm (SE)

(72) Inventors:
  • GIORGI, Luca
    56100 Pisa (IT)
  • IOVANNA, Paola
    56100 Pisa (IT)
  • PALAGI, Alfredo
    16152 Genova (IT)

(74) Representative: Ericsson 
Patent Development Torshamnsgatan 21-23
164 80 Stockholm
164 80 Stockholm (SE)

   


(54) PROGRAMMABLE WAVELENGTH-SELECTIVE SPLITTER AND A METHOD FOR REMOTELY CONFIGURING A PROGRAMMABLE WAVELENGTH-SELECTIVE SPLITTER