@article {607921,
	title = {LASERS, OPTICS, AND OPTOELECTRONICS},
	journal = {Appl. Phys. LettAppl. Phys. Lett},
	volume = {89},
	year = {2006},
	pages = {074103},
	author = {Diehl, L and Bour, D and Corzine, S and Zhu, J. and H{\"o}fler, G and Lon{\c c}ar, M and Troccoli, M and Federico Capasso and van der Poel, M and M{\o}rk, J}
}
