ITU-T Work Programme

[2025-2028] : [SG15] : [Q5/15]

[Declared patent(s)] - [Associated work]

Work item:

G.csmcf

Subject/title:

Characteristics of a cut-off shifted single-mode weakly-coupled multi-core optical fibre and cable

Status:

Under study

Approval process:

AAP

Type of work item:

Recommendation

Version:

New

Equivalent number:

Timing:

2028 (Medium priority)

Liaison:

Supporting members:

Summary:

This Recommendation describes a single‑mode weakly-coupled multi-core optical fibre (WC-MCF) and cable which has a standard 125 mm cladding diameter and has optical backward compatibility to existing G.654 single-mode fibre. This Recommendation considers both two and four-core structure.

Comment:

Reference(s):

[SG15-C435 (2025-10)

]

Historic references:

Contact(s):

Yoshinori YAMAMOTO, Editor

ITU-T A.5 justification(s):

[Submit new A.5 justification

]
See guidelines for creating & submitting ITU-T A.5 justifications

First registration in the WP: 2026-01-13 11:46:32

Last update: 2026-01-13 11:51:50

Connecting the world and beyond

ITU-T work programme

[2025-2028] : [SG15] : [Q5/15]

[Declared patent(s)] - [Associated work]