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25 August 2008 Photonic crystal based polarization beam splitter utilizing the phenomenon of negative refraction
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Abstract
A design of polarization beam splitter based on negative refraction in photonic crystal is proposed. The proposed structure is formed by a hexagonal lattice of embedded air holes in silicon materials and is based on 2-D photonic band structure and equi-frequency contour calculations where negative refraction is considered to be function of incident angle and thickness of slab. The designed structure exhibits oppositely signed (negative and positive) refraction for TE and TM polarization at telecom wavelength windows. The wavelength response of the designed PBS is obtained for both polarizations.
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Monika Rajput and R. K. Sinha "Photonic crystal based polarization beam splitter utilizing the phenomenon of negative refraction", Proc. SPIE 7056, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications II, 705620 (25 August 2008); https://doi.org/10.1117/12.795021
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