@conference {137761,
	title = {Optimal Ultra-wide Spatial-Spectral Windows for Hyperentangled Two-photon Emission },
	booktitle = {MET A{\textquoteright}16  The 7 th International Conference on Metamaterials, Photonic Crystals and Plasmonics},
	year = {2016},
	month = {25 July 2016},
	address = {Malaga - Spain},
	author = {Salem Hegazy and Jala El-Azab and Yehia Badr and Salah Obaya}
}
