Broadband photonic crystal antireflection M. Malekmohammad, M. Soltanolkotabi, A. Erfanian, R. Asadi, S. Bagheri, M. Zahedinejad, M. Khaje and M. H. Naderi J. Eur. Opt. Soc.-Rapid Publ., 7 (2012) 12008 Published online: 02 April 2012 DOI: 10.2971/jeos.2012.12008