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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 30, Iss. 1 — Jan. 1, 2013
  • pp: 173–176

Highly efficient photonic-crystal splitters based on one-way waveguiding

Zhuoyuan Wang, Linfang Shen, Zaihe Yu, Xianmin Zhang, and Xiaodong Zheng  »View Author Affiliations


JOSA B, Vol. 30, Issue 1, pp. 173-176 (2013)
http://dx.doi.org/10.1364/JOSAB.30.000173


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Abstract

Magneto-optical and regular photonic crystals with triangular lattice are designed to construct one-way waveguides. Accordingly, two types of efficient beam splitters with one-way input channels are proposed and investigated. One of the proposed beam splitters is a 1×2 splitter, which achieves 50/50 splitting based on the structural symmetry. Since both output channels are one-way waveguides, this splitter is immune to interferences at the output ends. The other is a 1×3 beam splitter, in which one output channel is a regular waveguide and the others are one-way waveguides. It is shown that the 1×3 splitter can provide equal splitting ratios in the guiding band if defects with proper parameters are introduced in the splitting region.

© 2012 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.1360) Optical devices : Beam splitters
(230.3810) Optical devices : Magneto-optic systems
(250.5300) Optoelectronics : Photonic integrated circuits
(050.5298) Diffraction and gratings : Photonic crystals

ToC Category:
Optoelectronics

History
Original Manuscript: August 20, 2012
Revised Manuscript: November 22, 2012
Manuscript Accepted: November 22, 2012
Published: December 13, 2012

Citation
Zhuoyuan Wang, Linfang Shen, Zaihe Yu, Xianmin Zhang, and Xiaodong Zheng, "Highly efficient photonic-crystal splitters based on one-way waveguiding," J. Opt. Soc. Am. B 30, 173-176 (2013)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-30-1-173


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