We demonstrate theoretically a polarization-independent guided-mode resonant filter with only a one dimensional grating. A rigorous method, the modal method by Fourier expansion, is used to compute the diffracted efficiencies of the grating. Wave-vector analysis fails to correctly design a polarization-independent structure. We show that a rigorous analysis of the resonances must be employed to obtain such a device; using a pole approach, we study the effects of grating parameters on the resonances of both polarizations. (C) 2003 Optical Society of America.
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Univ S Australia, Sch AME, Mawson Lakes, SA 5095, AustraliaUniv S Australia, Sch AME, Mawson Lakes, SA 5095, Australia
Rahman, A. T. M. Anishur
Vasilev, Krasimir
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Univ S Australia, Sch AME, Mawson Lakes, SA 5095, Australia
Univ S Australia, Mawson Inst, Mawson Lakes, SA 5095, AustraliaUniv S Australia, Sch AME, Mawson Lakes, SA 5095, Australia
Vasilev, Krasimir
Majewski, Peter
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Univ S Australia, Sch AME, Mawson Lakes, SA 5095, AustraliaUniv S Australia, Sch AME, Mawson Lakes, SA 5095, Australia
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Univ Texas Arlington, Dept Elect Engn, Arlington, TX 76019 USA
Tsinghua Univ, Dept Elect Engn, State Key Lab Power Syst, Beijing 100084, Peoples R ChinaUniv Texas Arlington, Dept Elect Engn, Arlington, TX 76019 USA
Ma, Xinyu
Zhuang, Chijie
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Tsinghua Univ, Dept Elect Engn, State Key Lab Power Syst, Beijing 100084, Peoples R China
Tsinghua Univ, Int Joint Lab Low Carbon Clean Energy Innovat, Beijing 100084, Peoples R ChinaUniv Texas Arlington, Dept Elect Engn, Arlington, TX 76019 USA
Zhuang, Chijie
Zeng, Rong
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Tsinghua Univ, Dept Elect Engn, State Key Lab Power Syst, Beijing 100084, Peoples R ChinaUniv Texas Arlington, Dept Elect Engn, Arlington, TX 76019 USA