Abstract
Rotation-symmetric multispot focusing grating couplers with periodic binary phase modulation are designed and fabricated. The functions of 60 and 45° rotation-symmetric multispot focusing with the same spot intensities were demonstrated.
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Kengo Uenishi1, Masahiro Uemukai1 and Toshiaki Suhara1
Published 17 April 2012 •
Copyright (c) 2012 The Japan Society of Applied Physics
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Citation Kengo Uenishi et al 2012 Jpn. J. Appl. Phys. 51 058001
DOI 10.1143/JJAP.51.058001
60 Total downloads
Rotation-symmetric multispot focusing grating couplers with periodic binary phase modulation are designed and fabricated. The functions of 60 and 45° rotation-symmetric multispot focusing with the same spot intensities were demonstrated.