Presentation 2014-10-31
Excitation of surface plasmon at the interface between ferromagnetic metal/dielectric film by Otto configuration
Saori UMETSU, Terunori KAIHARA, Takeaki ANDO, Yoshiki YAGO, Hiromasa SHIMIZU,
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Abstract(in English) Optical isolator is an essential component to prevent backward reflected light to laser diode. There are several waveguide optical isolators toward photonic integrated circuits. We have investigated surface plasmon at the interface between ferromagnetic metal/dielectric film and its application to waveguide optical isolators. Evanescent coupling of light from the Si core layer to the surface plasmon at Co/Si/SiO_2 and the reflectivity change upon magnetization reversal were calculated by ATR method (Otto configuration) on the Co/Si/SiO_2/Si/SiO_2 waveguides. Evanescent coupling with a propagation distance (<1 μm) was calculated by finite difference time domain (FDTD) method on the Co/Si/SiO_2/Si/SiO_2 waveguides showing the largest reflectivity change.
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Keyword(in English) Optical isolator / Surface plasmon / Otto confugulation / Ferromagnetic metal / Transverse magneto-optic Kerr effect / Attenuated total reflection method
Paper # OCS2014-78,OPE2014-122,LQE2014-96
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Committee OCS
Conference Date 2014/10/23(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) Excitation of surface plasmon at the interface between ferromagnetic metal/dielectric film by Otto configuration
Sub Title (in English)
Keyword(1) Optical isolator
Keyword(2) Surface plasmon
Keyword(3) Otto confugulation
Keyword(4) Ferromagnetic metal
Keyword(5) Transverse magneto-optic Kerr effect
Keyword(6) Attenuated total reflection method
1st Author's Name Saori UMETSU
1st Author's Affiliation Tokyo University of Agriculture and Technology()
2nd Author's Name Terunori KAIHARA
2nd Author's Affiliation Tokyo University of Agriculture and Technology
3rd Author's Name Takeaki ANDO
3rd Author's Affiliation Tokyo University of Agriculture and Technology
4th Author's Name Yoshiki YAGO
4th Author's Affiliation Tokyo University of Agriculture and Technology
5th Author's Name Hiromasa SHIMIZU
5th Author's Affiliation Tokyo University of Agriculture and Technology
Date 2014-10-31
Paper # OCS2014-78,OPE2014-122,LQE2014-96
Volume (vol) vol.114
Number (no) 281
Page pp.pp.-
#Pages 6
Date of Issue