title: Rotational memory effect of a multimode fiber.
abstract: We demonstrate the rotational memory effect in a multimode fiber. Rotating the incident wavefront around the fiber core axis leads to a rotation of the resulting pattern of the fiber output without significant changes in the resulting speckle pattern. The rotational memory effect can be exploited for non-invasive imaging or ultrafast high-resolution scanning through a multimode fiber. Our experiments demonstrate this effect over a full range of angles in two experimental configurations.
authors.forename: Lyubov V
authors.initials: LV
authors.lastname: Amitonova
authors.forename: Allard P
authors.initials: AP
authors.lastname: Mosk
authors.forename: Pepijn W H
authors.initials: PW
authors.lastname: Pinkse