Journal
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
Volume 28, Issue 4, Pages 697-702Publisher
OPTICAL SOC AMER
DOI: 10.1364/JOSAB.28.000697
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Funding
- National Basic Research Program of China [2007CB310403]
- National Natural Science Foundation of China (NSFC) [60772105]
- Key Program of the Applied Basic Research of Tianjin [10JCZDJC15200]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20090031110033]
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We numerically investigate the photonic bandgaps as well as the transmission properties of a two-dimensional magnetic photonic crystal (PC) in the terahertz (THz) region by the plane wave expansion and finite-difference time-domain methods. The calculation predicts a magnetic PC waveguide that can work as a tunable filter with a bandwidth larger than 0: 1 THz, and its central frequency is from 0.83 to 1: 03 THz. It also shows that a magnetic PC can be used as a polarization controller with three functions, including controllable polarizing, polarization beam splitting, and -pi-pi phase shifting. (C) 2011 Optical Society of America
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