title: Realization of a micrometre-scale spin-wave interferometer.
abstract: The recent development of spin dynamics opens perspectives for various applications based on spin waves, including logic devices. The first important step in the realization of spin-wave-based logics is the manipulation of spin-wave interference. Here, we present the experimental realization of a micrometre-scale spin-wave interferometer consisting of two parallel spin-wave waveguides. The spin waves propagate through the waveguides and the superposition or interference of the electrical signals corresponding to the spin waves is measured. A direct current flowing through a metal wire underneath one of the spin-wave waveguides affects the propagation properties of the corresponding spin wave. The signal of constructive or destructive interference depends on the magnitude and direction of the applied direct current. Thus, the present work demonstrates a unique manipulation of spin-wave interference.
authors.affiliation: Center for Emergent Matter Science, RIKEN, 2-1 Hirosawa, Wako 351-0198, Japan.
authors.forename: O
authors.initials: O
authors.lastname: Rousseau
authors.affiliation: Center for Emergent Matter Science, RIKEN, 2-1 Hirosawa, Wako 351-0198, Japan.
authors.forename: B
authors.initials: B
authors.lastname: Rana
authors.affiliation: 1] Center for Emergent Matter Science, RIKEN, 2-1 Hirosawa, Wako 351-0198, Japan [2] Frontier Research Academy for Young Researchers, Kyushu Institute of Technology, 680-4 Kawazu, Iizuka 820-8502, Japan.
authors.forename: R
authors.initials: R
authors.lastname: Anami
authors.affiliation: Hitachi Ltd., Central Research Laboratory, 1-280 Higashi-koigakubo, Kokubunji-shi,Tokyo 185-8601, Japan.
authors.forename: M
authors.initials: M
authors.lastname: Yamada
authors.affiliation: Hitachi Ltd., Central Research Laboratory, 1-280 Higashi-koigakubo, Kokubunji-shi,Tokyo 185-8601, Japan.
authors.forename: K
authors.initials: K
authors.lastname: Miura
authors.affiliation: Hitachi Ltd., Central Research Laboratory, 1-280 Higashi-koigakubo, Kokubunji-shi,Tokyo 185-8601, Japan.
authors.forename: S
authors.initials: S
authors.lastname: Ogawa
authors.affiliation: 1] Center for Emergent Matter Science, RIKEN, 2-1 Hirosawa, Wako 351-0198, Japan [2] Institute for Solid State Physics, University of Tokyo, Kashiwa 277-8581, Japan.
authors.forename: Y
authors.initials: Y
authors.lastname: Otani