Theoretical characteristics of TM-pass waveguide polarizers for glass-integrated optics using periodic dielectric multilayer as cladding

Kazutaka Baba; Tamon Iden; Mitsunobu Miyagi

doi:10.1117/12.426785

15 May 2001 Theoretical characteristics of TM-pass waveguide polarizers for glass-integrated optics using periodic dielectric multilayer as cladding

Kazutaka Baba, Tamon Iden, Mitsunobu Miyagi

Author Affiliations +

Proceedings Volume 4277, Integrated Optics Devices V; (2001) https://doi.org/10.1117/12.426785
Event: Symposium on Integrated Optics, 2001, San Jose, CA, United States

Abstract

A novel TM-pass waveguide polarizer, the cladding of which consists of a periodic dielectric multilayer, has been theoretically investigated for the glass integrated optics. The periodic dielectric multilayer exhibits large optical anisotropy and the effective refractive index for the TE polarization becomes higher than that for the TM polarization. Therefore, the highly efficient TM-pass waveguide polarizer can be formed by using the periodic dielectric multilayer whose effective refractive indices satisfy the condition n_TE>n_c>n_TM, where n_c represents the refractive index of the core. As it is difficult to fabricate the thick periodic multilayer by using conventional film deposition systems, we also proposed to overlay the thin periodic dielectric multilayer by using conventional film deposition systems, we also proposed to overlay the thin periodic dielectric multilayer with the fully thick polymer layer, which can easy be formed by using a dipping method. It has been theoretically confirmed that the high extinction ratio is kept while the structural parameters, including the fill fraction for the periodic dielectric multilayer and the refractive index of the polymer layer, satisfy the polarizer condition. As the extinction ratio is high and the structural tolerance is not severe in comparison with other waveguide polarizers, the proposed waveguide polarizer would be useful for the glass integrated optics.

Citation Download Citation

Kazutaka Baba, Tamon Iden, and Mitsunobu Miyagi "Theoretical characteristics of TM-pass waveguide polarizers for glass-integrated optics using periodic dielectric multilayer as cladding", Proc. SPIE 4277, Integrated Optics Devices V, (15 May 2001); https://doi.org/10.1117/12.426785

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