Calculation of nonreciprocal phase shift in magneto-optic waveguides with Ce:YIG layer

Hideki Yokoi

doi:10.1016/j.optmat.2008.03.005

Calculation of nonreciprocal phase shift in magneto-optic waveguides with Ce:YIG layer

Hideki Yokoi

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

An interferometric optical isolator that employed a nonreciprocal phase shift was studied. The nonreciprocal phase shifts in magneto-optic waveguides were calculated at a wavelength of 1.55 μm. The magneto-optic waveguides included a CeY₂Fe₅O₁₂ (Ce:YIG) layer as either a guiding layer or a cladding layer. When the Ce:YIG layer was used as a cladding layer, the nonreciprocal phase shift had its maximum with a high-refractive index guiding layer. The magneto-optic waveguide with SiO₂/Si/Ce:YIG structure is a practical and promising candidate for a nonreciprocal phase shifter in the interferometric optical isolator.

Original language	English
Pages (from-to)	189-192
Number of pages	4
Journal	Optical Materials
Volume	31
Issue number	2
DOIs	https://doi.org/10.1016/j.optmat.2008.03.005
Publication status	Published - 2008 Jan 1

Keywords

Magnetic garnet
Nonreciprocal phase shift
Optical isolator
Silicon-on-insulator

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Computer Science(all)
Atomic and Molecular Physics, and Optics
Spectroscopy
Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry
Electrical and Electronic Engineering

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abstract = "An interferometric optical isolator that employed a nonreciprocal phase shift was studied. The nonreciprocal phase shifts in magneto-optic waveguides were calculated at a wavelength of 1.55 μm. The magneto-optic waveguides included a CeY2Fe5O12 (Ce:YIG) layer as either a guiding layer or a cladding layer. When the Ce:YIG layer was used as a cladding layer, the nonreciprocal phase shift had its maximum with a high-refractive index guiding layer. The magneto-optic waveguide with SiO2/Si/Ce:YIG structure is a practical and promising candidate for a nonreciprocal phase shifter in the interferometric optical isolator.",

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AB - An interferometric optical isolator that employed a nonreciprocal phase shift was studied. The nonreciprocal phase shifts in magneto-optic waveguides were calculated at a wavelength of 1.55 μm. The magneto-optic waveguides included a CeY2Fe5O12 (Ce:YIG) layer as either a guiding layer or a cladding layer. When the Ce:YIG layer was used as a cladding layer, the nonreciprocal phase shift had its maximum with a high-refractive index guiding layer. The magneto-optic waveguide with SiO2/Si/Ce:YIG structure is a practical and promising candidate for a nonreciprocal phase shifter in the interferometric optical isolator.

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KW - Silicon-on-insulator

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