Self-collimating photonic crystal polarization beam splitter

V. Zabelin, L. A. Dunbar, N. Le Thomas, R. Houdre, M. V. Kotlyar, Liam O'Faolain, T. F. Krauss

Research output: Contribution to journalArticlepeer-review

170 Citations (Scopus)


We present theoretical and experimental results of a polarization splitter device that consists of a photonic crystal (PhC) slab, which exhibits a large reflection coefficient for TE and a high transmission coefficient for TM polarization. The slab is embedded in a PhC tile operating in the self-collimation mode. Embedding the polarization-discriminating slab in a PhC with identical lattice symmetry suppresses the in.-plane diffraction losses at the PhC-non-PhC interface. The optimization of the PhC-non-PhC interface is thereby decoupled from the optimization of the polarizing function. Transmissions as high as 35% for TM- and 30% for TE-polarized light are reported. (c) 2007 Optical Society of America.

Original languageEnglish
Pages (from-to)530-532
Number of pages3
JournalOptics Letters
Publication statusPublished - 1 Mar 2007




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