2011/03/11 by Philipp Pirro, Thomas Brächer, T. Brächer +8 · 62 citations
Physics and Astronomy · #Channel (broadcasting) #Computer science #Condensed matter physics #Ferromagnetism #Interference (communication) #Magnetic properties of thin films #Materials science #Mechanical and Optical Resonators #Optics #Optoelectronics #Physics #Quantum and electron transport phenomena #Spin wave #Telecommunications #cond-mat.mes-hall
paper · pdf · doi:10.1002/pssb.201147093
published in physica status solidi (b) 248(10), 2404-2408 (Wiley)
arxiv created 2011/03/11 · openalex publication_date 2011/06/22 · arxiv updated 2015/05/27 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
Abstract We present experimental observations of the interference of spin‐wave modes propagating in opposite directions in micron‐sized Ni 81 Fe 19 ‐waveguides. To monitor the local spin‐wave intensity distribution and phase of the formed interference pattern, we use Brillouin light scattering microscopy. The two‐dimensional spin‐wave intensity map can be understood by considering the interference of several waveguide eigenmodes with different wavevectors quantized across the width of the stripe. The phase shows a transition from linear dependence on the space coordinate near the antennas characteristic for propagating waves to discrete values in the center region characteristic for standing waves.