Method of re-connecting optical fibers and system

System A system, comprising

• a first optical fiber and a second optical fiber, the first fiber and the second fiber each having a plurality of outer cores, a first end section of the first fiber and a second end section of the second fiber positioned with a first end section of the first fiber and a second end section of the second fiber aligned with one another along a longitudinal axis of the first and second end sections in a current connection position including a current connection orientation, in which a current relative rotational angle between the first and second end sections about the longitudinal axis is not known with respect to a relative rotational angle between the first and second end sections in a registered connection orientation which has been determined with respect to a coordinate system during a previous connection of the first fiber with the second fiber,
• an optical interrogator configured to interrogate the outer cores of the first and second fibers through the current connection position to receive optical signals from the outer cores, and
• circuitry configured to modify, from the optical interrogation of the outer cores, the registered connection orientation such that the first and second fibers are correctly registered with respect to the coordinate system in the current connection orientation including the current relative rotational angle between the first and second end sections about the longitudinal axis.

A non-transitory computer-readable storage medium having stored a computer program comprising instructions, which, when executed by a processor, cause the processor to:

• control positioning of a first end section of the first fiber and a second end section of the second fiber in proximity so as to be aligned with one another along a longitudinal axis of the first and second end sections in a current connection position including a current connection orientation, in which a current relative rotational angle between the first and second end sections about the longitudinal axis is not known with respect to a relative rotational angle between the first and second end sections in a registered connection orientation which has been determined with respect to a coordinate system during a previous connection of the first fiber with the second fiber, the first fiber and the second fiber each having a plurality of outer cores,
• optically interrogate the outer cores of the first and second fibers through the current connection position to receive optical signals from the outer cores, and
• modify, from the optical interrogation of the outer cores, the registered connection orientation such that the first and second fibers in the current connection orientation including the current relative rotational angle between the first and second end sections about the longitudinal axis are correctly registered with respect to the coordinate system.