Photonic crystal beam splitters

In this work, the beam splitter with two input ports and two output ports in two-dimensional photonic crystals is studied through the finite-difference time-domain method. The beam splitter consists of two orthogonally cross line defects. The diameter of the two diagonal air holes at the intersectio...

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Bibliographic Details
Published in:Optics communications 2006-03, Vol.259 (2), p.873-875
Main Authors: Chien, Hung-Ta, Chen, Chii-Chang, Luan, Pi-Gang
Format: Article
Language:English
Subjects:
Beam splitters
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Optical elements, devices, and systems
Optical materials
Optics
Photonic bandgap materials
Photonic crystals
Physics
Reflectors, beam splitters, and deflectors
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Summary:In this work, the beam splitter with two input ports and two output ports in two-dimensional photonic crystals is studied through the finite-difference time-domain method. The beam splitter consists of two orthogonally cross line defects. The diameter of the two diagonal air holes at the intersection of the two line defects was modified. The input light can be identically divided into the two output ports. The beam splitters can be applied in the photonic crystal Mach–Zehnder interferometers or photonic crystal optical switches.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2005.09.008