Ultracompact polarizing beam splitter based on single-material birefringent photonic crystal

被引：19

作者：

Ordouie, Ehsan ^{[1
]}

Alisafaee, Hossein ^{[1
]}

Siahmakoun, Azad ^{[1
]}

机构：

[1] Rose Hulman Inst Technol, Dept Phys & Opt Engn, 5500 Wabash Ave, Terre Haute, IN 47803 USA

来源：

OPTICS LETTERS | 2018年 / 43卷 / 17期

关键词：

PRINCIPAL REFRACTIVE-INDEXES; THIN-FILMS; WAVE-GUIDE; OBLIQUE-INCIDENCE; ANGLE DEPOSITION; PERMALLOY-FILMS; POLARIZATION; FIBER; DESIGN; ANISOTROPY;

D O I：

10.1364/OL.43.004288

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An ultracompact polarizing beam splitter (PBS) is designed and fabricated based on a single-material birefringent photonic crystal structure. The fabrication method is based on e-beam physical vapor deposition where an oblique angle deposition technique is also incorporated. The PBS is designed for high tolerances in volume production. The main ingredient of the PBS is an alternating high- and low-refractive-index modulation created from titanium dioxide deposited at angles of 0 degrees and 70 degrees. The measurements exhibited successful separation of two states of polarization with efficiencies of more than 92% over a total device length of under 6 mu m. (C) 2018 Optical Society of America

引用

页码：4288 / 4291

页数：4

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