Journal
APPLIED PHYSICS LETTERS
Volume 107, Issue 10, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4930823
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Funding
- C-SPIN, one of six centers of STARnet, a Semiconductor Research Corporation program - MARCO
- C-SPIN, one of six centers of STARnet, a Semiconductor Research Corporation program - DARPA
- NSF
- NSF through NNIN program
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Ultrafast all-optical switching of the magnetization of various magnetic systems is an intriguing phenomenon that can have tremendous impact on information storage and processing. Here, we demonstrate all-optical switching of GdFeCo alloy films using a telecom-band femtosecond fiber laser. We further fabricate Hall cross devices and electrically readout all-optical switching by measuring anomalous Hall voltage changes. The use of a telecom laser and the demonstrated all-optical switching of magnetoresistive devices represent the first step toward integration of opto-magnetic devices with mainstream photonic devices to enable novel optical and spintronic functionalities. (C) 2015 AIP Publishing LLC.
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